【摘要】 10 0只海兰商品代 1月龄母雏 ,饲以基础日粮。随机分为 5组。A组作为对照组 ,B、C、D和E组分别添加 0 4、 0 5、 0 6、 1 0mg/kg叶酸(其他元素按标准自配 )。试验期 6周。结果表明 :随叶酸含量的增加 ,羽毛色泽亮丽 ,死亡率减少且体重有显著性增加。雏鸡正常叶酸需要量在0 7mg/kg以上。更多还原

【Abstract】 day old commodity HeiLan female chicken fed with basal diet were randomly divided into five groups.Group A was control,Group B?C?D and E were experimental groups supplemented with 0 4,0 5,0 6,1 0 mg folic acid/kg diet for six weeks.The result indicated that the feather as the increasing of the folic acid supplements color appeared well,mortality rate reduced and body gain increased significant.The suggested normal requirement for folic acid in female chicke was over 0 7 mg/kg.更多还原