milkyield相关论文
Relationship between energy content of the diet and milk yield in the second lactation of local rabb
The influence of dietary energy content on performance and milk production was studied in thirty local rabbit does durin......
Influence of supplementation with different oils with or without lecithin on milk yield and conjugat
The present work was conducted to investigate the effect of supplementing different oils with or without lecithin to lac......
Replacement of soybean meal and straw with alfalfa hay in TMR of high yielding dairy cows in the fir
Alfalfa is an excellent forage for high yielding dairy cows.The price of soybeans has been increasing in recent years an......
Effect of dietary organic selenium on milk selenium concentration,antioxidant function and immune fu
The objective of this study was to investigate the effects of dietary selenium (Se) source and level of organic Se suppl......
In Bangladesh,rice straw is an important crop residue,contributing more than 90% of total dry matter available to ruminan......
本试验采用三因素,按L9(3^4)正交设计,进行了奶牛饲料中添加不同水平的Cu、Zn、Se饲喂试验,结果表明,补饲牛的健康良好,受孕率增高,换毛快,日均产奶量明......
这研究的目的是决定补充说在奶店的 daidzein 在乳牛在产奶量,部件和荷尔蒙上喂的效果。Daidzein 在饲养试验期间在 10 mg/kg 的剂......
收集整理西黄F1和黑黄F1母牛的产奶记录,采用最小二乘法分析年度、胎次效应,对实际产奶量进行校正。比较其泌乳期长度、产奶量、泌乳......