Feed restriction must be carefully controlled to prevent the bullies from getting most of the available feed . 限制饲料时必须很好地调节，以避免凶暴的鸡夺取过多饲料。
Farmers in the machine age also use the new fertilizers, new sprays, new feeds, new bybrid seeds . 机器时代的农场主还采用新的化肥、新的喷药、新的饲料、新的杂交良种。
Affected cows should be kept in cool, darkened pens where fresh water and appetizing feed are readily available . 应将病牛放置在凉爽黑暗的牛栏中，给予新鲜的饮水和促进食欲的饲料。
This insidious disease produces extensive and unmeasured economic losses through reduced efficiency in feed utilization . 这种隐伏性疾病产生了广泛的和未加统计的由于饲料利用率降低的经济损失。
This practice can lead to excess levels since little reliance is placed on the natural vitamin content of feedstuffs . 这种实践结果，由于很少注意饲料中天然的维生素含量，就能出现含量过多的问题。
The arguments seem to be mainly in favour of silage if the forage is to have a production as well as a maintenance function . 如果青贮饲料既有生产功能又有维持功能，争论看来主要是有利于青贮饲料。
We must ensure that those sows which are dominated by others receive feed intakes sufficient to preclude reproductive failure . 我们必须保证那些受到其他母猪欺凌的猪能吃到充足的饲料，以免导致繁殖失调。
