肉牛育种目标的经济导向

A review on the economic orientation of the beef cattle breeding targets

人们普遍认为,设计结构化育种方案的首要步骤是肉牛的育种目标,其发展可分为以下阶段:规范的育种、生产和销售系统,商业收入和费用支出来源,确定生物性状对收入和费用支出的影响,衍生的经济价值,育种选择标准,预估的表型特征和遗传参数。本文旨在综述肉牛养殖目标的发展及经济价值的导向。

People seems to be general consensus that the definition of beef cattle breeding objectives should be the primary step for the design of structured breeding programs,while the development of the beef breeding objectives can be concluded in terms of the following contents:specification of the breeding,production and marketing system,identification of sources of income and expense in commercial process,determination of biological traits influencing income and expense,derivation of economic values,choice of selection criteria,and estimation of phenotypic and genetic parameters.Therefore,this paper summarized the previous and latest references to review the development of beef cattle breeding objectives and the derivation of its economic orientation.