摘要
为提高放牧山羊的养殖效果及经济效益,选用77只贵州本地黑山羊,按体重大小平均搭配随机分成7组,每组11只,在全放牧条件下日补精饲料量150g/只（试验2~4组添加Ⅰ号微量元素预混料,试验5~7组添加Ⅱ号微量元素预混料）,进行60d饲养试验,探索其对放牧山羊的饲养效果。结果表明：在以放牧为主的山羊精料补充料中加入微量元素预混料可以显著或极显著提高增重速度、饲料报酬、蛋白质转化效率以及山羊成活率,且添加Ⅱ号微量元素预混料的饲养效果好于Ⅰ号,其中以精料补充料粗蛋白质含量为17.7%的效果最佳,其饲料报酬为0.90,蛋白质转化效率为6.30,平均日增重达167g/只。
77grazing black goats were divided into 7groups（11gazing black goats/group）according to equal assortment of weight size randomly and Group 2~4and Group 5~7were fed with concentrate supplement（daily 150g/goat）plus trace mineral premixⅠand concentrate supplement（daily 150g/goat）plus trace mineral premix Ⅱ for 60 dunder the fully grazing condition to study the feeding effect on Guizhou Black Goat for improving the feeding effect and economic benefit.Results：The concentrate supplement plus trace mineral premix can significantly and very significantly increase gain speed,feed conversion,protein conversion efficiency and goat survival rate.The feed effect of trace mineral premixⅡis better than trace mineral premixⅠ.The feed conversion,protein conversion efficiency and average daily gain/goat of Guizhou Black Goat fed with the concentrate supplement including 17.7% crude protein content are 0.90,6.30 and 167g respectively.
出处
《贵州农业科学》
CAS
2015年第12期123-125,130,共4页
Guizhou Agricultural Sciences
基金
贵州省教育厅自然科学研究项目"纯种努比黑山羊杂交改良本地山羊示范推广"[黔科教(2011)025]
贵州省2015年大学生创新创业训练计划项目"四种自配饲料对肉用山羊育肥效果研究"[贵大省创字(2013)015]
黔西南州种草养羊产业发展省州科技合作专项"纯种努比羊引进及杂交利用"[黔西南科合字(2011)5]
