بررسی همبستگی مشخصات بدن با تولید شیر در گاوهای بومی گلپایگانی

For evaluating correlation among tratis body and milk production in the heifer Golbagini native. aim selective good heifer and culling Bad heifer, in this study thirty FamelCalf after brith until two months by two kilo gram whole milk nutrited. From Second and thirdweek they also were Feed Freely with Alfa- Alfa and concentrate nUtrited . After two months calves were transmited to the area of e:h-periment. The rationutrients were vequlated according to average weight and wer feed by calves in the three male by day The calves were weighted every months and in the age 6- 12 and 18 months metric body a like heigh weither body length, circumference chest, heigh hip and length famong two bone hip mesurmented. Result: mean weight brh 14,96= 1.98 , mean weight six month 73:t: 14 , mean weight 12 month 142, 7:t 21, 9 , mean weight 16 month 199.3 :t: 29.9 , mean age first heat 391.2:t 55.2 days mean age Insemination 565.7:t: 129.7 days, mean weight Insemination 189.3 .:t: 42.9 K.gr, mean Total milk production 437.9 :t: 416.5kg , mean perecent fat 4.5 :t 1.9 mean period laction 135.9:t: 113.40