التنبؤ بمكونات الحليب الرئيسة في ضوء تحليل صفات الخطوط الجلدية على المخطم لدى أبقار الهولشتاين

Abstract

At the Nasr Dairy Cattle Station, United Company for Animal Resources Ltd., Al-Soueira (50 km south of Baghdad), 70 Holstein cows were randomly picked out from the herd through 2007. The aim of this study was to recognize the dermatoglyphics on the muzzle, the photography and a special computer programs were used to analyse the dermatoglyphics, were Simple Arch, Fork, Enclosure, Islands , Short Ridges and Muzzle Width were recorded.A relationship prediction between dermatoglyphics and major milk contents (fat, protein, lactose) .The Statistical Analysis System program was used to study the estimation of regression coefficient. Regression coefficient of some productional and reproductional traits on dermatoglyphics, were important significantly (positive or negative). The linear equation estimates displayed a utmost importance for selection programs aiming at reducing and curtailing the dermatoglyphics parameters among dairy cows in early time.