香蕉茎叶饲喂泌乳牛试验

Test in feeding milking cattle with banana leaf and stem

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 2 0 kg替代 60 %象草。经 60 d的试验结果表明 :试验组和对照组的泌乳量分别为 1 6.0 6kg和 1 5.36kg,乳脂率、乳蛋白质和乳的密度为 3.34、 3.0 9、 1 .0 2 51和 3.4 1、 3.0 7、 1 .0 2 65,两组牛的泌乳量和营养成分差异不显著 ( P>0 .0 5)。试验牛每产 1 kg鲜乳比对照组降低饲料费 0 .0 6元 。

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.