The role of local adaptation in sustainable village chicken production.
The role of local adaptation in sustainable village chicken production.
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DOI：
10.1038/s41893-018-0150-9
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发表时间：
2018-10
影响因子：
27.6
通讯作者：
Christley RM
中科院分区：
文献类型：
--
作者：
Bettridge JM;Psifidi A;Terfa ZG;Desta TT;Lozano-Jaramillo M;Dessie T;Kaiser P;Wigley P;Hanotte O;Christley RM
乡村鸡在小农养殖系统中无处不在，在不同的环境、经济和文化背景下为家庭、地方和国家经济做出贡献。然而，他们是在生产力低而死亡率高的充满挑战的环境中长大的。利用本地遗传资源生产适应其环境的鸡，同时为经济上可持续发展的企业提供基础，这是非常有兴趣的。然而，在全球范围内，各种各样的干预措施迄今被证明无法带来可持续的改善。本研究表明，性状偏好和寄生虫负担的区域差异与不同的鸡基因库有关，可能是对自然和人类驱动的（经济和社会）选择压力的相互作用的反应。区域差异的驱动因素包括市场机会、文化偏好、农业生态和寄生虫种群，并在管理实践、种群动态和鸟类基因型等系统适应中表现明显。我们的研究结果提供了可靠的多学科证据，支持了之前的观察结果，即针对小农的可持续家禽发展干预措施，包括育种计划，应该因地制宜，并为灵活实施而设计。
Village chickens are ubiquitous in smallholder farming systems, contributing to household, local and national economies under diverse environmental, economic and cultural settings. However, they are raised in challenging environments where productivity is low while mortality is high. There is much interest in utilizing indigenous genetic resources to produce a chicken resilient to its environment, whilst providing the basis of an economically sustainable enterprise. Globally, however, a wide variety of interventions have so far proved unable to deliver sustainable improvements. Here, we show that regional differences in trait preferences and parasite burden are associated with distinct chicken genepools, likely in response to interacting natural and human-driven (economic and social) selection pressures. Drivers of regional differences include marketing opportunities, cultural preferences, agro-ecologies and parasite populations, and are evident in system adaptations, such as management practices, population dynamics and bird genotypes. Our results provide sound multidisciplinary evidence to support previous observations that sustainable poultry development interventions for smallholder farmers, including breeding programs, should be locally tailored and designed for flexible implementation.
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影响因子：
3.7
作者：
Bishop SC;Woolliams JA
通讯作者：
Woolliams JA
影响因子：
1.3
作者：
Basso, W;Venturini, L;Dubey, JP
通讯作者：
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Bettridge JM;Lynch SE;Brena MC;Melese K;Dessie T;Terfa ZG;Desta TT;Rushton S;Hanotte O;Kaiser P;Wigley P;Christley RM
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Christley RM
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Pym, R. A. E.
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6.6
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通讯作者：
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