الفهرس | Only 14 pages are availabe for public view |
Abstract The purposes of this study are :1-estimateS non-genetic factors affecting 305 day milk (305 dMY),loctation period (LP),and dry period (DP).2-estimates phenotypic and genetic parameters for 305 dMY, loctation period and dry period.3-comparative between different methods for sire and cow evaluation in commericial herd raised in Egypt. |