The average of milk yield increased from 4960kg to 5450kg,increase 490 kg.
隐性乳房炎的头发病率从试验前的58.3%下降到试验后的28.52%;乳区发病率从29.61%下降到试验后的15.72%,奶产量每头牛单产平均由4960kg上升到5450kg,提高490kg。
参考来源 - 我国部分地区个体奶牛场乳房炎流行病学调查·2,447,543篇论文数据，部分数据来源于NoteExpress
而且，极端的温度会使动物的肉产量和奶产量减少。
And temperature extremes reduce animal production of meat or milk products.
优化奶牛品种、提高牛奶产量与品质是奶业生产中的核心环节。
Optimizing dairy cow variety and improving creamery yield and quality are the core tache of milk trade produce.
然而，最近研究资料显示，使奶产量最大化日粮中能并且应该添加多少脂肪及添加何种脂肪。
However, recent research data may begin to tell us how much and what type of fats can and should be added to diets to maximize the response in milk production.
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