埃塞俄比亚北沃罗地区Meket和Gidan地区本地绵羊品种的生产目标、繁殖性能和选择标准

T. Demeke, T. Getachew, E. Bayou
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引用次数: 2

摘要

本研究旨在全面了解北沃罗地区梅凯特和吉丹地区农民经营条件下本地羊的生产目标、繁殖性能和选择标准。埃塞俄比亚。根据羊的生产潜力,采用多阶段目的抽样。因此,有目的地考虑了6个农村kebeles(每个区3个)。约240户(各区120户)进行住户调查。采用SPSS 16.0 2007社会科学统计软件包对数据进行分析。养羊的主要目的是创收,其次是比较各地区的肉类消费。梅克公的性成熟年龄为9.04个月,吉丹公的性成熟年龄为8.51个月。梅克特羊的平均初羔龄为16.04个月,平均产羔间隔为9.14个月,平均终身产羔量为8.92只。吉丹羊的相应值分别为15.57月龄、8.66月龄和9.77月龄。色度、生长性状和外观是两个研究区农户选择种羊时最看重的性状。初性成熟年龄、颜色、羔羊生长和血统是梅克特地区选择繁殖母羊最重要的特征。而初性成熟年龄、毛色、尾型/尾长和家系是吉丹地区母羊选择育种时最重要的性状。因此,这一发现为了解绵羊的生产目标、繁殖性能和选择标准提供了基础,并为设计研究区域的可持续育种计划和选择策略提供了基础。
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Production Objectives, Reproductive Performance and Selection Criteria of Indigenous Sheep Types in Meket and Gidan Districts, North Wollo Zone, Ethiopia
This study was aimed to generate comprehensive information on production objectives, reproductive performance and selection criteria of indigenous sheep types under farmer’s management condition in Meket and Gidan districts, North Wollo Zone. Ethiopia. Multistage purposive sampling was employed based on the potential of sheep production. Accordingly 6 rural kebeles (3 from each district) were considered purposively. About 240 households (120 from each district) were used for household survey. Statistical package for social sciences (SPSS 16.0 2007) was used to analyze data. The main objectives of keeping sheep were for income generation followed by meat consumption across the districts compared. Sexual maturity age of Meket ram was 9.04 months whereas Gidan ram was 8.51 months. The average age at first lambing, lambing interval and lifetime lamb crop of Meket Sheep were 16.04 months, 9.14 months and 8.92 lambs, respectively. The corresponding values for Gidan Sheep were 15.57 months, 8.66 months and 9.77 lambs, respectively. Color, growth character and appearance were the most important traits considered by farmers to select breeding rams in both study districts. Ages at first sexual maturity, color, lamb growth and pedigree were the most important trait in choosing of breeding ewes in Meket district. Whereas Ages at first sexual maturity, color, tail type/length and pedigree were the most important trait in choosing of breeding ewes in Gidan district. Therefore, this finding was put baseline for understanding about production objective, Reproductive performance and selection criteria of Sheep and serve as a base for designing a sustainable breeding programme and selection strategies in the study area.
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