新疆褐牛细管冻精改良当地蒙古牛效果分析

Analysis of Growth Performance of Crossed Xinjiang Brown Cattle with Local Mongolian Yellow Cattle

用新疆褐牛细管冻精为父本,以新疆博尔塔拉州本地蒙古牛为母本进行杂交,即采用人工授精的方法获得杂交F1。褐蒙F1,初生重公犊比蒙古牛提高28.26%,母犊提高27.23%,断奶重公犊提高92.04%,母犊提高92.16%。同龄褐蒙F1屠宰率、净肉率比本地蒙古牛提高6.6%和8%。平均每头褐蒙F1牛可增肉70.3kg,按每千克牛肉25元计算,增效1 758元。细管冻精配种可降低成本130元。

Bole local cows were improved by frozen semen of Xinjiang brown cows. Compared with local Mongolian castles the birth weight of the male brown castles F1 increased by 36.96%, female calf increased by 38.03%, and weaning weight of the male calf increased by 92.04%, female calf increased by 92.16%. Dressing percentage and net beef percentage of the F1 were 6.6% and 8% increase compared which local Mongolian cattle , each F1 cattle increased beef by an average of 70.3kg. To calculate as 25 yuan per kilogram , economic profit of cattle is increased by 1758 yuan. And the Breeding costs cut down 130 yuan per cattle.