The Development and Genetic Improvement of South African Goats

C. Visser, E. Marle-Kőster
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引用次数: 14

Abstract

South Africa has a thriving goat industry, consisting of fiber, meat and dairy‐producing goat breeds. These animals play an important role in terms of food security, socioeco‐ nomic welfare and cultural well‐being. The South African goat industry is differentiated into a formal, commercial market with niche products such as mohair, chevon and goat’s cheeses versus the informal, mainly meat‐producing sector serving communal and small‐ holder farmers. Exotic and locally improved breeds, i.e., Angora, Saanen and Boer goats mainly serve the commercial industries, whereas the unimproved veld goat populations are well adapted in the resource‐poor environments. Genetic improvement has histori‐ cally been limited to the commercial breeds, but poor participation in animal recording and improvement schemes have resulted in slow genetic progress, with the exception of the Angora goat. Molecular research has opened up new possibilities for genetic charac‐ terization, preservation and utilization of the unique genetic resources retained by these animals.
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南非山羊的发育与遗传改良
南非拥有繁荣的山羊产业,包括生产纤维、肉类和乳制品的山羊品种。这些动物在粮食安全、社会经济福利和文化福祉方面发挥着重要作用。南非山羊产业分为两种,一种是正式的商业市场,提供马海毛、雪绒羊和山羊奶酪等利基产品,另一种是非正式的肉类生产部门,主要服务于社区和小农。外来和本地改良品种,如安哥拉山羊、萨宁山羊和布尔山羊,主要服务于商业工业,而未经改良的草原山羊种群则很好地适应了资源贫乏的环境。遗传改良在历史上一直局限于商业品种,但动物记录和改良计划参与不力导致遗传进展缓慢,安哥拉山羊除外。分子研究为这些动物特有遗传资源的遗传表征、保存和利用开辟了新的可能性。
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