Genomic Tools and Genetic Improvement of Crossbred Friesian Cattle

Research in Agriculture Livestock and Fisheries Pub Date : 2021-05-01 DOI:10.3329/RALF.V8I1.53271

Anisur Rahman, N. Juyena, M. Shamsuddin, M. U. Bhuiyan

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引用次数: 2

Abstract

Any genetic improvement in dairy cattle requires information on productive and reproductive performance in the given population. Animals have been selected to improve their productivity in order to increase the profitability to the farmer. As a result, selection of animals is made for higher production and a shortened productive life. The reproductive performance of Friesian cows under intensive and semi-intensive management system in Bangladesh is poor. Animal selection has historically been based on production traits, and not much attention was given to AI recording. Many attempts were taken scatterly to increase productive and reproductive potential of Bangladeshi cattle for different periods with variable achievements. Therefore, in this review article we have addressed the new tools and information that could be used to determine the level of productive and reproductive performance and to evaluate genetic factors using admixture analysis of cows bred by AI sires which affect reproductive traits of crossbred Friesian dairy cows reared in selected areas in Bangladesh. Res. Agric., Livest. Fish.8(1): 89-107, April 2021

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杂交弗里西亚牛的基因组工具和遗传改良

奶牛的任何基因改良都需要有关特定种群的生产和繁殖性能的信息。选择动物是为了提高生产力，从而提高农民的盈利能力。因此，选择动物是为了提高产量和缩短生产寿命。孟加拉国集约和半集约管理制度下弗里斯奶牛的繁殖性能较差。从历史上看，动物的选择一直是基于生产特征，而人工智能记录并没有得到太多关注。在不同时期，为了提高孟加拉国牛的生产和繁殖潜力，人们进行了许多尝试，但收效甚微。因此，在这篇综述文章中，我们讨论了新的工具和信息，这些工具和信息可用于确定生产和繁殖性能的水平，并使用人工智能父系培育的奶牛的混合分析来评估遗传因素，这些因素会影响在孟加拉国选定地区饲养的杂交弗里斯奶牛的繁殖特性。农业研究。，Livest。鱼。8（1）：89-1072021年4月

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Research in Agriculture Livestock and Fisheries

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6 weeks