摘要
试验通过为内蒙古白绒山羊妊娠后期母羊提供不同代谢能水平的日粮,研究母羊妊娠后期日粮能量水平对初生羔羊发育状况的影响,以及日粮不同能量水平条件下妊娠母羊对养分的表观消化率。结果表明:母羊妊娠后期高能日粮和低能日粮对羔羊初生重影响显著,母羊妊娠后期高代谢能(14.3 MJ/kg)可以有效增加羔羊体尺;日粮代谢能水平会显著影响母羊妊娠后期的体增重。本试验中,日粮代谢能水平为14.3 MJ/kg时,内蒙古白绒山羊母羊妊娠后期体增重最大;高的日粮代谢能水平(14.3 MJ/kg)会增加内蒙古白绒山羊妊娠后期母羊日粮营养物质的表观消化率,尤其是粗蛋白表观消化率。
Via controlling the level of diet metabolic energy, this study research lamb growth performance and the effects of nutrient level on apparent digestibility of nourishment of cashmere goats. The rest, Its showed that, birth weight of lamb changes with diet metabolic energy levels, and metabolic energy level significantly affect lamb＇s birth weight. High level of metabolic energy diet （14.3 MJ/kg）availably increased body size of lamb. In the trial condition, ewes in the trial group 1 had the largest hody weight gain. Meanwhile, higher diet metabolic energy（14.3 MJ/kg） could promote ewes＂ apparent digest-ibility of nutrients, especially crude protein.
出处
《饲料工业》
北大核心
2017年第13期35-38,共4页
Feed Industry
基金
内蒙古自然科学基金[2016MS(LH)0302]
关键词
妊娠后期
代谢能
表观消化率
生长性能
later pregnancy
metabolic energy
apparent digestibility
growth performance
