闭核育种项目中寿命模型的评估:肯尼亚Sahiwal的案例研究

Benjamin Musyimi Musingi, Leah Mumbi Mahianyu, E. D. M. Musingi
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引用次数: 0

摘要

寿命和停留能力是任何育种计划的参数。农场里任何动物的过度饲养都会对农民产生负面影响。短期停留也意味着可以使用更长时间、更高产的好动物提前离开。这篇综述论文的目的是强调即将到来的育种计划可以在不影响牛群质量的情况下使用的模型的重要性。在本文中,寿命纯粹是根据性能衡量的。在所有模型投入使用之前,应进一步研究寿命的功能和类型特征。但在封闭式繁殖计划的情况下,性能特征很容易测量,因为许多动物在出售给农民后会退出畜群,因此许多功能性困境将在畜群之外表现出来。肯尼亚Sahiwal的基因评估应该考虑近亲繁殖。这项研究还提供了遗传和表型参数,以便将寿命纳入Sahiwal牛改良计划的育种目标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of Models for Longevity in a Closed Nucleus Breeding Programme: A Case Study Kenyan Sahiwal
Longevity and stay ability are parameters in any breeding programme. The Overstaying of any animal on a farm has got negative effects on the farmer. Short stay also means early exit of good animals that could have been used for a longer time and more productive. The intention of this review paper is to emphasize the importance of models that an upcoming breeding program can use without affecting the quality of the herd. In this paper, longevity is taken purely on the performance measure. The functional and type traits of longevity should be studied further before all models are put into play. But the case of closed breeding programmes, performance traits are easily measurable because many animals will exit the herd as they have been sold to farmers hence many functional straits will be expressed outside the herd. Genetic evaluation of the Kenyan Sahiwal should account for inbreeding. This study has also provided genetic and phenotypic parameters to enable the inclusion of longevity in the breeding objective for the Sahiwal cattle improvement programme.
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