Abstract:

This test was to study the affect of feeding different nturient levels on the reproductive performance of Shanbei White Cashmere Goat.Selected 120 breeding ewe which in the same age from Di Qing Plateau,divided into four groups,each group for 30.Control group,feeding 0.2 kg corn everyday,the other three groups for the experimental group,feeding mixed concentrate for 0.2 kg,0.3 kg,0.4 kg respectively everyday.Test were measured the conception number,the number of new-born lambs,the lamb birth weight,the weaning weight,the calculate of conception rate,the lambing rate,the lamb survival rate of breeding ewes.The results showed that the control group and experimental group on the reproductive performance of breeding ewes is unsignifican.affect of the index （P> 0.05）.Feeding 0.2 kg of corn to meet basic nutritional needs of breeding ewes.