埃塞俄比亚阿姆哈拉Habru Woreda北Wollo地区小户羊生产的育种目标和实践

M. Gedefaw, B. Gebremariam
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引用次数: 2

摘要

埃塞俄比亚羊的生产能力可以通过改善管理和选择未来交配的最佳动物来提高。本研究在埃塞俄比亚北Wollo Amhara地区的Habru wooreda进行,目的是确定研究地区的绵羊繁殖目标和生产实践。根据羊的密度和生产潜力,有目的地选择40户。数据的收集采用半结构化访谈、直接观察和与关键线人的讨论。使用microsoft Excel计算机程序对数据进行汇总和分析,并使用频率和百分比等描述性统计数据以表格形式呈现。研究区养羊的主要原因分别为家庭创收、肉类、粪肥、文化、饲养和仪式。农民养殖的公羊大多来自自己的羊群。交配是不受控制的,但在极少数情况下有控制的交配。研究区繁殖朗姆酒的选择标准分别为生长发育、毛色、尾型,繁殖母羊的选择标准分别为羔羊生长发育、体大小、羔羊成活率、毛色和多胎。选育母羊的成熟年龄为6 ~ 8个月。绵羊品种以地方品种居多(87.5%),其次是杂交品种(12.5%)。农民一级的杂交活动也很差,地方品种之间不受控制的自然交配主要由家庭进行。选择合适的母羊和公羊,对提高育种目标和实践具有重要意义。为了最大限度地减少绵羊品种改良计划的失败,重要的是要考虑品种管理制度和群体的性状偏好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Breeding Objectives and Practices of Small Holder Sheep Production in Habru Woreda North Wollo Zone of Amhara, Ethiopia
The productivity of Ethiopian sheep’s can be improved by improving management and selecting best animal for future mating. This study was conducted in Habru Woreda, North Wollo Amhara region, Ethiopia with the aim to identify breeding objectives and practices of sheep production in the study area. A total of 40 households were selected purposively based on high sheep population density and production potentials. The data was gathered using semi-structured interview, direct observation and discussion with key informants. The data was summarized and analyzed using Micro soft Excel computer program and presented using tables by using descriptive statistics like frequencies and percentages. The main reason of keeping sheep in the study area was for household income generation, meat, manure, culture, breeding and ceremony respectively. The majority of breeding rams for farmers originated from own flock. Mating was uncontrolled but in rare case there is controlled mating. Selection criteria for breeding rum in the study area were growth, coat color, tail type and selection criteria for breeding ewe were lamb growth, body size, lamb survival, coat color and multiple births, respectively. Maturity age for selection of breeding ewe was reported 6-8 month. Majority of sheep breeds were indigenous breeds (87.5%) followed by cross breed ones (12.5%). There are also poor cross-breeding activities at farmers’ level and uncontrolled natural mating within local breeds was predominantly practiced by households. Selecting appropriate ewe and ram for the purpose of improving breeding objectives as well as its practice is important. To minimize the failure of sheep breed improvement program it is important to consider breed management system and trait preferences of the community.
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