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International Journal of Animal Science

Management Practices and Problems of Sheep Farmers in Oru West Local Government Area of Imo State, Nigeria

[ ISSN : 2575-7806 ]

Abstract Citation Introduction Materials and Methods Results and Discussion Conclusion Recommendations References
Details

Received: 28-Jun-2020

Accepted: 17-Jul-2020

Published: 20-Jul-2020

Akubuo A.U¹, Ahaotu E.O¹*, Ihenacho R.O², C.O. Osuagwu², and Olueze C.C¹

¹Department of Animal Production Technology, Imo State Polytechnic Umuagwo, Nigeria

²Department of Agricultural Extension and Management Technology, Imo State Polytechnic Umuagwo, Nigeria

Corresponding Author:

Ahaotu, E.O, Department of Animal Production Technology, Imo State Polytechnic Umuagwo, Nigeria, Email: emmaocy@ yahoo.com

Keywords

Sheep production; Breeding techniques; Breeds; Environment; Seasonality and Productivity

Abstract

A study was conducted in Oru West Local Government Area of Imo State, Nigeria to assess the sheep production systems and the major problems faced by farmers in the management of their sheep flocks. The survey was done in some selected communities in the study area. Majority of the farmers sourced their stock from the open market and none indicated to have sourced from institutional farms where modern breeding techniques are employed. Flock size ranged from 5 – 50 animals (mean flock size was 12.8). Fifty eight percent of the farmers rear purely West African Dwarf breed and more breeding ewes were kept than rams. Sheep are kept for generating family income, for use during religious/traditional rites, meat and milk in that order. Farmers had preference for keeping particular breed of sheep for varied reasons which included multiple births, adaptation to environment, good temperament, good mothering ability and lactation. Major problems identified as hampering the productivity of the sheep production in the area were high cost of feeds, seasonality of feeds, inadequate extension services, disease and vaccination problems and the high cost of veterinary care.

Citation

Akubuo AU, Ahaotu EO, Ihenacho RO, Osuagwu CO, Olueze CC (2020) Management Practices and Problems of Sheep Farmers in Oru West Local Government Area of Imo State, Nigeria. Int J Anim Sci 4: 7. doi: https://dx.doi.org/10.36876/ijas565888

Introduction

Sheep production is an important component of Nigerian livestock industry. Sheep represent about 60% of the total grazing domestic livestock in Nigeria (Ahaotu et al., 2009). These animals display a unique ability to adapt and survive in areas where they are found and consequently their wide geographical distribution in Nigeria (Ahaotu, 2018). Sheep supplies meat, milk, wool, skin and other products and also serves as a flexible financial reserve for the rural population as well as play other socio-cultural roles in the customs and tradition of many Nigerian societies (Alionye et al., 2020).

It has been observed that only 8.0gm of the 53.8gm of protein consumption level of Nigerians per day is derived from animal sources (Gatenby, 2009; Ahaotu and Ayo-Enwerem, 2008), suggesting less than 16% contribution of animal products to protein consumption of Nigerians. This is very poor indeed when compared with countries like U.S.A with about 69% of total protein being derived from animal sources (Getachew et al. 2010).

Contribution of sheep to the total meat supplies in Nigeria may be related to the population of these animals in the country. The keeping of sheep also serves as an investment alternative and a source of additional income to the owners. Majority of the sheep population in the country are owned by small-holder rural livestock farmers (Ahaotu et al., 2017). Sheep and goats constitute a good source of family income and livelihood, assets and agricultural resources for smallholder farmers (Okafor, 2010). This makes small ruminant farming an important and secured form of agricultural investment to the Nigerian rural and urban farmers. This observation was further buttressed by Ceyhan and Karem (2010), who reported that livestock and livestock products particularly from small ruminants accounted for 56% in value terms (income) in typical smallholder mixed farming settings. This again underlines the valuable contribution of small ruminants as income generating assets among small-holder livestock farmers (Shittu et al. 2008; Ahaotu and Ifut, 2018). They are kept mainly as a secondary investment and require minimal input.

Integration of sheep with crop agriculture usually occurs under subsistence conditions on small-scale farmers. They form an integral part of the system, providing milk, meat, manure and cash to the farm family during the time of need. Sheep and goats are efficiently reared on marginal lands and are good users of crop residues (Opara, 2010). As such, they provide the only practical means of using vast areas of natural grasslands in regions, where crop production is almost impracticable (Nlemadim, 2010). Small ruminants have been reported to be prolific (Thonney and Hogue, 2007) and need only short gestation periods to increase flock size. This therefore makes traditional small ruminant production system a low input but high output enterprise with predictable profitability and economic returns (Emokoro and Amadasun, 2012).

Sheep contribute enormously to the protein requirements of most developing countries (Ahaotu et al. 2009). In Sub-Saharan Africa, sheep provide almost 30% of the meat consumed and around 16% of the milk produced. Yakaka and Bashir (2012) estimated that sheep and goats contribute about 35% of the total animal meat production in Nigeria. This ranks small ruminants as the second most important suppliers of meat protein to the population after cattle (Ugwumba and Effiong, 2013).

Despite the enormous contributions of the small holder farmer to the Nigeria’s livestock economy and development programs, and in spite of the special attributes possessed by small ruminants, the productivity potential of these animals is yet to be fully exploited (Yakaka and Bashir, 2012). Some of these productivity attributes include the ability of small ruminants to highly adapt to a broad range of environments utilizing a wide variety of plant species (Okafor, 2010), as well as not being prone to high feed competition with other species like cattle and camels (Opara, 2010). Due to their short generation time (gestation period) and high fecundity (Nlemadim, 2010), sheep are generally known to have high production efficiency. During periods of unpredictable food shortage, sheep have proven very useful to human beings in the supply of meat and milk products (Madubuike, 2012). This study aimed at assessing the management practices of sheep production in terms of source of flock, feeds and feeding, flock size, herd structure, reasons for keeping sheep as well as the major constraints to production in the study area.

Materials and Methods

Study area

The study was conducted in Oru West Local Government Area of Imo State. Oru West is a Local Government Area of Imo State, Nigeria. Mgbidi is the headquarters of Oru West, a local government area of Imo State in southeastern Nigeria. It has an area of 93km2 and a population of 117,492 at the 2006 census. It is located at latitude 5.37°N and longitude 6.57°E.

Mgbidi is one of the oldest towns in Imo State. It is bounded in the North by Ibi-Asoegbe and Aji, on the East by Amiri and Otulu, in the West by Ozara, and in the South by Oguta LGA and Awoomamma. Mgbidi is located in the far North of Imo State, which is why it is bounded by Amorka in Ihiala LGA of Anambra State. Awbana River originates from Mgbidi and drains into Oguta Lake, forming one of its tributaries.

The climate of the state is typically humid with two major distinct seasons, namely, the wet and dry Seasons. The wet season starts from April and ends in October but could extend to with a mean annual rainfall of between 500 mm and 1300 mm. Peak rainfall is reached in July. Dry season starts from November with the cold, dry, dust-laden harmattan wind lasting till February. The main occupation of the people in the study area is farming. The major crops grown in the state include maize, cowpea, cassava, pepper, tomato and green vegetables like garden egg, melon, fluted pumpkin, cucumber and okra.

The state is a major livestock producer. The rainfall distribution pattern and the tropical equatorial climate of the area give rise to two distinct seasons namely; rainy seasons from March to September and dry seasons from October to February. The vegetation of the area is characterized by thick forest. The climate and rainfall distribution pattern makes the area suitable for agricultural production. The population is predominantly farmers who engage themselves in the rearing of livestock’s and cultivation of crops. Apart from farming, some people also engage in other works such as civil service, teaching, trading and artisan. Imo state was stratified into the existing three agricultural zones.

Sampling Frame

For the purpose of this study, and to ensure a good representation in the administration of questionnaires, two villages from ten major towns were randomly selected by balloting using random sampling technique. This was followed by identifying the sheep flocks in each of the town selected, using records from the Agricultural Development Programme (ADP) and the local government agricultural departments. Relevant information was obtained from the ward heads and other sheep stock owners.

One hundred (100) questionnaires were distributed out to flock owners in the selected towns. The administrations of the questionnaires were spanned over a period of two months. Information which was gathered using the questionnaire included breeds of sheep, sources of stock, flock size, management system, age and sex distribution of the flocks. Others were reasons for keeping sheep, knowledge and utilization of veterinary care, common prevalent diseases encountered, constraints faced by farmers as well as the required solutions to those constraints.

Data analysis

Data generated from the various this survey were presented as tables, figures and percentages.

Results and Discussion

Management systems and practices

The system of agricultural production in the area is predominantly a mixture of crop livestock system with respondents cultivating cereal crops as well as keeping animals side by side. This is a system that has been well reported by several authors (Ahmed and Egwu, 2014; Sanni et al. 2004, Whitter et al., 2003, Ajala et al., 2003). Analysis of the sheep management system in the area indicated that 144 (59.50%) of the respondents kept their sheep under semi-intensive system of management, followed 89 (36.80%) who practice extensive system. Only 9 (3.70%) respondents practice intensive system (Table 1).

Table 1: Sheep Management System Based on Agricultural Zones in Imo State, Nigeria.

Agricultural Zones

Management                       Amaofo  Eleh          Ozara               Nempi       Total

(%)

Systems

Extensive                               29                           14                 25                                      21                                89 (36.80)

(43.94)                   (22.22)        (48.08)                              (34.43)

Semi Intensive                     36                           45                26                                       37                               144 (59.50)

(54.54)                   (71.43)        (50.10)                              (60.65)

Intensive                                1                              4                   1                                         3                                  9          (3.70)

(1.52)                     (6.35)          (1.92)                                 (4.92)

Total                                      66                           63                52                                       61                              242       (100)

(27.27)                   (26.03)        (21.49)                              (25.21)

Figures in brackets ( ) denotes the percentages.

This finding agreed with that of (Ayo-Enwerem et al., 2008; 2009 and Nlemadim, 2010) but is in contrast to the results of (Kannan et al., 2002; Hermann-Hoesing et al, 2007 and Opara, 2010) who posited that 62% of farmers in his study practice extensive system as against 29% who kept their sheep under semi-intensive system of management. The variation may be explained by the relative importance to which sheep production is given in this area of study compared to that of (Torrens et al., 2019 and Opara 2010). Here in Imo state, rams are kept and offered some supplementary feeding for fattening and sold off during religious occasions at which time high premium is attached to these animals, hence the intensification so as to achieve the desired result.

Sources and composition of flocks

From the study undertaken, 178 (68.46%) respondents sourced their stock from the market while 59 (27.7%) obtained their sheep from the nomadic Fulani pastoralists. Some 19 (7.31%) respondents and another 3 acquired their stock from gift/inheritance and backyard holdings respectively. The relative ease with which farmers could purchase their animals from the market might have accounted for its being a preferred source of stock. Alternatively, it may be a cheaper source and trade point for a variety of sheep choices (Table 2).

Table 2: Sources and Acquisition of Flocks according to Agricultural Zones in Imo state, Nigeria.

Agricultural Zones

Source                                   Amaofo                 Eleh                       Ozara                    Nempi                    Total

Backyard                             0                                               3                              0                              0                              3

Government

Institution                             0                                              0                              0                              0                              0

Sheep Farmers                     21                                           6                              17                           15                           59

Market                                   44                                           53                           43                           38                          178

Gift                                         4                                              8                              6                              2                             20

Total                                      69                                           70                           66                           55                          260

In the study, flock sizes ranged from 5 animals to over 50 per flock with a high percentage of the respondents 71.20% keeping between 6–20 animals. This clearly indicates that smallholder sheep production is common in the state. This is consistent with the observations of Opara (2010) in Imo state. The relatively small sizes of flocks as seen in the present study can be explained by the management system practiced in the study areas which is predominantly extensive or semi intensive in nature (Taylor et al., 2009; Kaufman et al, 2006 and Shittu et al., 2008).

Moreover, within the socio-economic context in which the farmers operate, flock numbers are usually low because they can be better managed and also it is within the capabilities of women and children who generally provide much of the labour required for easy expansion of their flocks (Mbilu et al., 2007 and Ahaotu et al., 2017).

Purpose of keeping sheep

Small ruminants play a significant role in the life of man whether in the rural or urban areas in a variety of ways. From the results of the four agricultural zones in this study, the predominant reason for keeping sheep by majority of the farmers (54.5%) is as a source of money to supplement family income. Some (34.8%) of farmers kept sheep for use during traditional/traditional festivities and only 10% of the respondents actually raised sheep for direct consumption. The result shows that most farmers keep sheep for sales in order to meet family expenditures (Table 3). This finding is similar with that of Gebretsadik et al. (2012). Such animals are sold to raise money needed to pay off loan, purchase farm inputs like fertilizer and other household needs, replace large ruminants, even pay the school fees of children and to solve other immediate family needs. Small ruminant farming and in particular sheep farming, can thus be said to be profitable in this study area.

Table 3: Reasons for keeping sheep among flock owners in Imo State, Nigeria.

Table 3: Reasons for keeping sheep among flock owners in Imo State, Nigeria.

Reasons                                                                 Frequency                                                             Total %

Source of Meat                                                    38                                                                          10.2

Source of Milk                                                     2                                                                             0.5

Market Sales                                                         204                                                                        54.5

Festivities                                                              130                                                                        34.8

Total                                                                      374                                                                         100.0%

Type of housing

Information on the type of housing provided for their flocks showed 62.81% of farmers from all the zones provided fenced areas around their compounds or backyard as housing for their flocks. This finding is in consonance with the earlier reports of (Sanni et al.2004; Mekuriaw et al. 2012; Ahaotu and Akagha, 2020). Fenced areas are provided during the day to prevent animals from going into farmlands during the cropping season to avoid damage to crops. However Okafor, (2010) stated that structures can hardly protect animals from the harsh weather condition during the cold harmattan season and the intense heat during hot season. On the other hand, 35.13% of the farmers allowed their sheep to roam and graze freely. This is characteristics of extensive system of management and in these situations; there is no input into feeding and veterinary health.

Feeds and feeding of sheep

On the type of feeds offered to their sheep, it was found out that 36.91%, 43.08%, 32.73% and 32.35% of the farmers from the respective zones (Amaofo, Eleh, Ozara and Nempi) indicated supplementing their animal feeds with mixture of concentrate plus hay, legume and crop residues. Additionally, fresh forage is also been cut (cut and carry) and fed to the animals especially during rainy season. This outcome suggests that the farmers have some knowledge of intensification of their stock, particularly since the practice of fattening of rams for future market sales is a common practice in the area.

Besides, as indicated by Ahaotu (1991) and NRC (2007), the scarcity of forage and drinking water during the long dry season makes it imperative for farmers to look for ways of supplementing their animals for better performance and growth.

Diseases encountered

The findings emanating from this study indicated that the major common diseases encountered in various flocks in order of significance were helminthosis, diarrhea, pneumonia and abortions (Table 4). No farmer reported any history or record of vaccination against diseases in small ruminants in the study area. Although a high majority of farmers claimed to be consulting veterinary doctors to treat their sick animals, the high prevalence of these conditions in this study area could be as a result of poor management and lack of veterinary health care given to the animals in those flocks. The doctors consulted may not necessarily be doctors but just veterinary staff (para- veterinary staff). This, thus, underscores the need for improved veterinary health care inputs which as reported by Ahaotu et al., (2009) in the study area, is grossly inadequate among farmers.

Table 4: Common diseases/conditions of sheep encountered in various agricultural zones in Oru West Local Government Area of Imo State, Nigeria.

Agricultural

Diseases                 Zones

Amaofo                 Eleh                       Ozara                     Nempi                    Total (%)

Pneumonia                           44(23.91)              39(27.66)               17(11.57)              38(19.39)               138(20.66)

Abortion                                 23(12.50)              12(8.51)                 18912.240            26913.26)              79(11.83)

Helminthosis                        43(23.36)              49(34.75)              30(20.41)               47(24.00)              169(25.30)

Trypanosomiasis                  0(0.00)                  2(1.42)                   1(0.68)                   0(0.00)                   3(0.45)

Sheep pox                              4(2.20)                  1(0.71)                   13(8.84)                 17(8.67)                 35(5.24)

Toxaemia                              10(5.43)                 11(7.80)                 10(6.80)                 13(6.63)                 44(96.59)

Mastitis                                  8(4.43)                  2(1.42)                   17(11.57)               17(8.67)                 44(6.59)

PPR                                        3(1.63)                   4(2.84)                   0(0.00)                   9(4.59)                   16(2.39)

Diarrhoea                               49(23.63)              21(14.89)               41(27.89)              29(14.79)               140(20.59)

Total                                      184                         141                         147                         196                        668

Figures in brackets ( ) denotes the percentages.

Studies by Ahaotu et al, (2020); Iyayi and Tona (2004) in other areas indicated that mange, diarrhea and foot and mouth disease were commonest conditions affecting sheep. This is in contrast with the present study and could be attributed to differences in the geographical location and therefore climate of the two study areas.

Problems and Possible Remedies to Sheep Farming in Area of Study

An array of factors were perceived and presented by the respondents in the study area as being the major constraints to sheep production. These constraints included cost of feed (19.6%), seasonality of feed (17.7%), inadequate extension services (14.9%), disease and vaccination problem (14.2%), cost of veterinary care (11.5%) and weather/climate (10.0%). These findings agree with the reports of (Iyayi and Tona 2004; Ahaotu et al., (2017) as well as Shittu et al., (2008) who identified these factors as problems to sheep production in Nigeria. Other problems listed by farmers included scarcity of water, thefts and accidents and scavengers.

Table 5 Major Problems Faced by Flock Owners in Oru West Local Government Area of Imo State, Nigeria.

Problems                                                                              Frequencies                                         Total (%)

Cost of Feed                                                                         171                                                        19.6

Cost of Veterinary Care                                                     100                                                        11.5

Seasonality of Feed                                                             154                                                        17.7

Weather / Climate                                                               87                                                           10.0

Scarcity of Water                                                                10                                                           1.1

Inadequate Extension Service                                           130                                                        14.9

Disease / Vaccination Programme                                   124                                                        14.2

Theft and Accidents                                                            80                                                           9.2

Cost of Feed and Seasonality of Feed                              7                                                             0.8

Scavengers                                                                            9                                                              1.0

Total                                                                                      872                                                        100

These problems could be addressed collectively by farmers coming together to form cooperatives groups with the assistance of government. Possible solutions to these constraints proffered by sheep farmers included improved veterinary health care services, improved extension service, provision of feed sources and soft loan from government. The majority of farmers in the study indicated that they require improved veterinary health care services. This underscores the need for improvement in veterinary extension services.

Table 6: Inputs required by farmers across Oru West Local Government Area of Imo State, Nigeria for improved Sheep Husbandry.

Input                                                                                      Frequency                                            Total (%)

Improved Extension Service                              149                                                        20.8

More Grazing Areas                                            98                                                          13.7

Subsidized Feeds                                                 148                                                        20.7

Sheep Milk Consumption                                  10                                                           1.4

Loan                                                                      115                                                        16.1

Sheep Multiplication Centers                            5                                                             0.7

Improved Veterinary Health Care                    166                                                        23.2

Subsidized Drugs                                                 25                                                           3.5

Total                                                                      716                                                        100

Conclusion

The sheep production system is predominantly extensive and semi-intensive in the study area. Under these systems of production, inputs into veterinary health care and nutrition of animals are grossly inadequate. This coupled with the prolonged dry season means that sheep are inadequately fed culminating into malnutrition and limiting the ability of these animals to bear and foster lambs. Major constraints such as high cost of feed, seasonality of feeds, inadequate extension service that sheep owners faced and militates against their ability to manage their sheep in Sokoto state were identified, so also were the possible solutions like better extension services, subsidized veterinary drugs and soft loans that could help the farmers alleviate these constraints.

Recommendations

• The process of providing of extension services need to be strengthened at the local level so that sheep owners can get access to information on ways of rearing and improving their flock management.

• Government needs to find ways of developing low- interest credit and inputs supply arrangement/scheme that those farmers can easily access.

• Sheep farmers need to be encouraged to form cooperative societies so that they can constitute a formidable group that can approach government agencies on the way forward in addressing their major problems.

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Distinct MicroRNA Signatures for Mastitis Measured in Milk Following Natural Exposure in Dairy Herds

Mastitis, a global endemic disease in dairy cattle, not only adversely impact milk production/quality leading to increased economic loss to farmers, it poses a consumer health issue as the milk may be unfit for human consumption due to pathogen contamination. Use of Somatic Cell Count (SCC) as an indicator of mastitis may be insufficient for effective diagnosis of disease. MicroRNAs (MiRNAs) are increasingly recognised as promising alternative indicators of mastitis. In this study, we identified circulating miRNAs differentially expressed in milk of mastitic cows after ‘natural levels of exposures’ and in response to different causative agents ‘on farm’. Using a miRNA microarray based approach we found at least 26 miRNAs as generic indicators of clinical mastitis; 7 of which may also be early mastitis indicators. We further identified 27 miRNAs unique to S Uberispositive (SU) mastitis, including miR-320a/b which has been linked to modulation of trained immune activity. Three differentially expressed miRNAs were unique to mastitis positive for Coagulase Negative Staphylococcus (CNS), and a further 5 miRNAs were unique to SU and CNS mastitis group comparison. Our study design differs from the existing literature which reports the effects of either exogenous dosing with a singular agent or of dosed exposures in the context of single cell types (which individually contribute in only very minor ways to SCC) in an empirical ex vivo setting. Collectively, the differentially expressed miRNAs we have identified are high confidence biomarkers for detection of mastitis (even when asymptomatic), assessment of clinical status and identification of causative agent.

Sherry Ngo¹*, Stephanie Moloney¹, Xiaoling Li¹, Lorna McNaughton², Partridge A³, and Allan Michael Sheppard¹


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Study on Prevalence of Bovine Trypanosomosis in Dale Wabera District, Kellam Wollega Zone, Western Ethiopia

A cross-sectional study was conducted from November 2009 to April 2010 in Dale Wabera district, western Ethiopia. The objectives of the study were to determine the prevalence of bovine trypanosomosis and to assess the apparent densities of vectors of the trypanosomosis. A parasitological study using convectional Buffy coat technique was employed for the determination of prevalence of trypanosomosis while baited traps were used for the vector survey. A total of 479 tsetse flies were collected and the density of Glossina species was 11.98 fly/trap/ day. Three species of tsetse fly including Glossina morsistans submorsistans, G. pallidipes and G. tachnoides were recorded from the area. The result of parasitological study revealed that the overall prevalence of trypanosomosis was found to be 12.28%, 95% CI.The prevalence for trypanosome species was 1.53%, 3.32% and 7.42% for Trypanosoma brucei, T. vivax and T. congolense, respectively. Highest trypanosome prevalence (16.42%) was seen in animals with poor condition than that of those with medium (10.27%) and good (9.91%) body condition for the concerned parasite, but no significant difference was observed among the body conditions of cattle considered and infection with trypanosomes (P>0.05). Higher infection rate without significant difference was occurred in male (13.02%) than female (10.77%) cattle. Infection rate was higher in adult (13.25%) than young cattle (8.11%), although the difference is not significant. The mean PCV values of parasitologically negative (26.80%) animals were higher than that of positive ones (20.00%). With 12.28% the highest prevalence in the present study revealed that trypanosomosis is causes significant loss of economy due to reduced production, cost of treatment and death of the animals is supposed to be significant. Therefore, trypanosomosis and its vector control and prevention strategies should be implemented in the area.

Taye Itefa Gemtessa¹ and Kumela Lelisa Dera²*


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Taking Gender Difference Seriously in Mouse Models of Depression

Depression as one of the most prevalent and life-threatening forms of mental illness affects more than 1/5 of the world’s population.

Chanyi Lu¹,²,⁵#, Yao-Yao Li¹,²#, Hua-Zhen Lin³,⁴#, and Yun-Feng Zhang¹,²,⁶*


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BAIF Experience in Field Data Collection

The increasing availability and capabilities of mobile phones make them a feasible means of data collection. Personal Digital Assistance (PDA) systems have been used widely for public health monitoring and surveillance activities, collecting survey data, clinical studies but documentation of their use in complicated research studies requiring multiple systems is limited. This paper shares our experiences of designing and implementing a complex multi-component system for a technical livestock community to help other researchers planning to use PDA for collecting technical data related to livestock studies. We designed and implemented different versions of mobile phone data collection systems to collect information related to bovine insemination through Cattle Development Centers (CDC) operated by BAIF.

There was improvement in collecting field data by updating data logger’s versions year by year. Following two to three days of training and piloting, data were collected from 170 field technicians over 5 years period from June 2010 to December 2015. Data logger was the one of easy solution for getting the technical, social and economic information of rural small farmer. Up to year 2015 project had collected the information enrolling of about 0.25 million families, out of that 95,000 families information about poverty index was collected and 0.67 million bovine insemination data, 0.46 insemination follow up records and information about 0.13 million female progeny born through the Project had collected. The PDAs were well accepted by technicians. The use of PDAs eliminated the usual time-consuming and error-prone process of data entry and validation. PDAs are a promising tool for field research in India.

Vinod V Potdar*, Bhave K, Gaundare YS, Khadse JR, and Pande AB


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Performances of Cold-Set Binders, Food Hydrocolloids, and Commercial Meat Binder on the Physical and Chemical Characteristics of Tilapia Fish Balls

The overall objective of this study is to determine the effect of hydrocolloid additives in reformed fish products and to compare the performances by testing chemical and physical properties of the restructured samples. There are nine treatments in this study including control samples. The eight types of meat binders include cornstarch, commercial meat-binder, carrageen an, methylcellulose, Activa® RM, plasma powder FG+, plasma powder FG and sodium alginate. The results showed that Activa® RM and FG+ and FG could provide satisfactory binding properties in fish balls. There was no significant difference among all cooked samples moisture (p<0.05). Raw treatments had slightly higher moisture than cooked treatments. Samples treated with Activa® RM had the highest WHC for cooked samples, while methylcellulose had the lowest WHC and cooking yield. All other binder treatments samples had higher cooking yield than that of the control. Samples treated with sodium alginate had the lowest pH values for both cooked and raw samples. There were no significant differences detected for water activity for both raw and cooked samples. Samples treated with Activa® RM, FG+ and FG treated samples had the best puncture, texture, hardness, springiness. In summary, Activa® RM, FG+ and FG treatments performed well for all parameters, and sodium alginate, methylcellulose, and meat binder treatment did not show advantages when compared with the control.

Huisuo Huang and Andrew D Clarke*


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Syncytiovascular Membranes in the Octodon Degus Placental Barrier: Morphological Evidence

Previous data indicates that placentation in the caviomorph rodent O. degus is similar to that in humans, regarding the migration of the Extra Sub Placental-Trophoblast (EST) to the uterine arteries to be remodeling. The aim of this paper was to determine the ultra structural morphological organization of the degu´s placental barrier, as part of a wider effort to understand their reproductive biology.

Four pregnant female Degus at 86 days of gestation, and their placentas were processed for histological analysis at electron microscopy levels. Our results demonstrate that at the pregnancy term, the placental barrier shows zone with presence of syncytial knots (defined as clusters of syncytiotrophoblast nuclei) in the fine syncytium or syncytiotrophoblast, zone with apoptotic knots evidenced by the accumulation of fragmented nuclei or apoptotic bodies with condensed chromatin, and the presence of zones with Syncytiovascular membranes (alpha zone). These Syncytiovascular membranes facilitate the exchange of metabolites between mother and fetus, and are exclusively observed in thin placental barrier zones where the syncytiotrophoblast nuclei are excluded. The presence of these Syncytiovascular membranes allowed us to conclude that they were formed as a consequence of the deportation of apoptotic bodies to the maternal blood, such as occurs in chinchilla, other caviomorph rodent. On the other hand, in human placental barrier several investigators have found that the syncytial apoptotic cascade is complete when apoptotic nuclei are deported to the maternal blood circulation and subsequently removed in the mother´s lung. Therefore, we concluded that the degu and human placentas share a number of structural and functional characteristics and this fact allows us to consider the degu as a potential animal model for studies related to human placental pathologies.

Bosco Cleofina* and Díaz Eugenia


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The Impact of Extension Programs to Increase the Productivity of the Small-Holder Dairyfarming Industry of Pakistan

Dairy farming operations with small animal numbers producing low volumes of around three litres per animal per day predominate in Pakistan’s dairy industry. Although much of this is consumed domestically, many farmers sell small volumes into traditional milk marketing chains which feed the product into urban retail outlets. Analysis of these marketing chains show that these farmers make a loss on every litre sold, while at the other end milk available to the consumer is of poor quality and often diluted as much as 1:2 with water. Small incremental profit margins are achieved by dilution and the use of distorted volume measures as the product is passed from small dealers to larger distributors and then to retail outlets. It is important that farmers are able to improve the efficiency of production by boosting the productivity of animals. This can be achieved through the adoption of better nutrition and animal husbandry practices. At the same time small scale local marketing chains require refinement to ensure profits generated from milk production stay with local communities. This paper reports on the development of effective extension strategies involving the whole family including the farmer, his wife and children. They have led to significant improvements in the profitability of small-holder dairy farming and a growing awareness of farmers of the commercial potential for their household cows and buffalo. The sustainability of these small-holder production systems in the face of changing consumer demands for higher quality products and world dairy product trade remains to be seen.

Wynn PC¹,²*, McGill DM², Aslam N¹, Tufail S¹, Latif S¹, Ishaq M³, Batool Z³, Bush RD⁴, Warriach HM²,³, and Godfrey SS¹


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Effect of Hops (Humulus lupulus) Supplementation on Growth Performance of Broiler Chickens

The hop plant contains flavonoids, bitter acids and essential oils that confer antibacterial properties. An experiment was conducted to evaluate the possibility of supplementing broiler chicken diets with hop pellets. Accordingly, growth performance response of broiler chickens given hops-supplemented diets was evaluated in a 49-day floor-pen trial. Day-old (320) male broiler chicks were commercially obtained and randomly assigned to 4 treatments. Treatment 1 (CX) consisted of chicks fed unmedicated corn-Soybean Meal (SBM) diet without hops pellets added. Treatment 2 (MX) consisted of chicks fed corn-SBM basal into which Bacitracin Methylene Disalicylate (BMD) was added at 0.055g/kg. Treatment 3 (HL) consisted of chicks fed corn-SBM basal into which hops pellets were added at 1.0 % level. Treatment 4 (HH) consisted of chicks fed corn-SBM basal into which hops pellets were added at 2.0 % level. On d 21, 42, and 49, body weight, body weight gain, and Feed Conversion Ratio (FCR) were evaluated. Transient benefits of hops supplementation in form of higher feed intake and body weight gain (P < 0.05) compared to other treatments were observed but were not sustained. The FCR of birds in the hops-supplemented treatments (HL and HH) were similar (P > 0.05) to those of birds in the BMD antibioticsupplemented treatment (MX) throughout the study. It was concluded that supplementation of hops pellets into broiler diets at 1% or 2% level of the diet had no detrimental effect on broiler growth performance. Therefore, future studies should be conducted to evaluate the efficacy of dietary hops in mitigating the colonization of poultry intestine by economically important zoonotic and/or disease pathogens.

Fasina YO* and Akinola OO


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Survey on Farmers Husbandry Practice for Dairy Cows in Alefa and Quara Districts of North Gondar Zone, Amhara National Regional State, Ethiopia

The aim of the study was to describe the dairy cow’s husbandry practice of farmers in Alefa and Quara districts of North Gondar Zone Amhara National Regional State Ethiopia. Three Kebeles from each district, a total of six Kebeles were selected through purposive sampling procedure. Finally, 376 households (208 households from Quara and 168 households from Alefa) who had at least one lactating cow were selected through systematic random sampling procedure. Data were collected by using structured questionnaire and the collected data were analyzed by using statistical package for social science (SPSS Version 20). The main source of feed for Alefa district was, crop residue and private grazing land (36.7%), crop residue, communal and private grazing land (41.4%), while for Quara district, communal grazing land (49.8%) and private, communal and crop residue (39.6%)were the main feed sources. In respective order, about 70.8 and 81.3% of respondents for Alefa and Quara districts were confirmed that river water was the main source for dairy cows. Housing system in Alefa district was simple shied adjacent to farmer’s house (97.6%), but in Quara district, it was barn system (95.2%). Trypanosomiasis (58.7%), Lumpy skin disease (18.8%) and Babesiosis (8.7%) was the most challenging livestock disease in Quara district, while in Alefa district Blackleg (30.5%), Lumpy skin disease (21%) and Trypanosomiasis (20.4%) was challenging disease. The major livestock production constraint in Quara district was feed and disease with the same indices value of 0.32 and Water 0.20 were observed. Similarly, feed followed by disease was the major constraint in Alefa district with index value of 0.5 and 0.2, respectively.

Bernabas Ayeneshet¹*, Zewdu Wondifraw², and Michael Abera²


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Production Objectives, Breeding Practices and Rate of Inbreeding in Dairy Cows at Alefa and Quara Districts of North Gondar Zone, Amhara National Regional State, Ethiopia

The aim of this study was to identify breeding practice, production objectives, selection and culling criterias of farmers for dairy cows in Alefa and Quara districts of North Gondar Zone Amhara National Regional State Ethiopia. 376 households (208 households from Quara and 168 households from Alefa) were selected by using systematic sampling procedure. Data were collected by using structured questionnaire and the collected data were analyzed by using statistical package for social science (SPSS Version 20). The main production objectives of farmers in Quara district were for milk production (0.43), draught purpose (0.32), and selling purpose (0.2). While in Alefa district it was 0.34, 0.36 and 0.27 for milk production, draught and selling purpose respectively. The main selection criteria for dam and sire in both districts were reproductive performance, body conformation and coat color. Most farmers in both districts were decided to cull the herd when they showed long AFS with index value of (0.38) and (0.3) for Quara and Alefa districts, respectively. About 208 (100%) of respondents in Quara were using natural breeding system. While bout 148 (88.1%), 11 (6.5%) and 9 (5.4%) of respondents in Alefa district were used natural, both natural and AI technology and AI only, respectively. About 44.4, 25, 23.2, and 7.7% of respondents in Alefa district were used breeding bull from a neighbor, communal grazing land, own and rent bull, respectively. While the majority (47.1%) of respondents in Quara district were used own bull. Under uncontrolled random mating effective population size and rate of inbreeding for Quara district was 9.0 and 0.05, respectively. While for Alefa district it was 3.2 and 0.15, respectively.

Bernabas Ayeneshet¹*, Zewdu Wondifraw², and Michael Abera²