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香蕉茎叶饲喂泌乳牛试验

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4头一胎泌乳5个月的荷斯坦试验牛,在其日粮中用经青贮处理的香蕉茎叶20kg替代60%象草。经60d的试验结果表明:试验组和对照组的泌乳量分别为16.06kg和15.36kg,乳脂率、乳蛋白质和乳的密度为3.34、3.09、1.0251和3.41、3.07、1.0265,两组牛的泌乳量和营养分差异不显著(P>0.05)。试验牛每产1kg鲜乳比对照组降低饲料费0.06元,试验期间两组牛体重变化和健康状况相似.
Test in feeding milking cattle with banana leaf and stem
Four primiparous holstein cows in fifth milking month were fedwith 20kg banana leaf and stem (BLS) in replaces 60%of elephant grass.This test lasted 60 days and showed that the average milk yield,milk fat,milk protein and milk density in test group and control group were 16.06kg and 15.63kg,3.34and 3.41,3.09and 3.07,1.0251 and 1.0265 respectively.The difference in two groups is not significant (P>0.05).The cost of per kg milk in the test group is ¥0.06 lower than that of control animals.The body weight and body conditions were also not much different in two groups during test.

韦英明、邹隆树

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广西大学动物科技学院,广西南宁 530005

香蕉茎叶 去丹宁 荷斯坦泌乳牛 产乳量 乳脂乳蛋白和乳的密度 饲料成本

2001

广西农业生物科学
广西大学

广西农业生物科学

CSCD
影响因子:0.784
ISSN:1008-3464
年,卷(期):2001.20(1)
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