不同养分进食水平及日粮降解蛋白质与代谢能比对妊娠后期细毛羊生产性能的影响
李建国,桑润滋,曹玉凤,郭钢,孔祥浩,王俊杰
Study on the Influence of Nutrient Intake and RDP/ME Ratio on Performance of Fine Wool Sheep during Last 100-150 Days of Pregnancy
动物营养学报 . 1996, (02): 43 -47 .