Determination of economic selection index coefficients for dairy cows
نویسندگان
چکیده
منابع مشابه
Selection of Dairy Cows for Economic Merit
Selection of dairy cows for economie merit requires the use of a model for genetic merit that involves the cross-product of the genetic values for milk and milk fa t percentage. A linear and a quadratic index are described as procedures for selection of cows, the linear index being blp.~ + bzp, and the quadratic index being blp,~ + b~_pt + b~p,n 2 + b~p, ~ + b~p.,pt where p~ and pt are the phen...
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ژورنال
عنوان ژورنال: Ekonomika poljoprivrede
سال: 2014
ISSN: 0352-3462
DOI: 10.5937/ekopolj1404861i