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Shandong Qingfeng | Key points of nutrition management of dairy cows during milk production
Release time:
2021-08-13
The role of rumen bypass soybean meal: 1. Improve milk performance, feed intake, milk yield, milk protein 2. Improve the health of cows 3. Reduce feed costs
Dairy cow feeds should be high in total digestible nutrients and should contain sufficient crude fiber. The feed preferably includes rumen-protected soybean meal, cottonseed or animal fat with high oil content. During this period, the crude protein in the dairy diet should account for 16%-18%, calcium 0.7, phosphorus 0.45, and the ratio of concentrate to crude should be controlled at 50-46:50-54 as much as possible. In order to avoid the decrease of milk fat percentage, crude fiber should not be less than 17% (accounting for dry matter of diet). The general weight of 600kg, daily milk yield of 40kg of lactating cow feed composition is: concentrate 12kg, silage 25kg, hay 4kg, juicy feed 5kg.
Baiwei Tongbaorumen-protected soybean meal-Choice of quality rumen bypass protein products!
According to the determination, high-yield cows eat enough quantitative feed, at least 8 hours a day to feed time. At present, in the case of milking three times a day, the feeding time of dairy cows is generally not enough. For dairy cows in the peak period of lactation, the feeding time should be extended and the feeding frequency should be increased, and the licking of licking bricks should be increased to supplement trace elements.
During this period, cow milk production began to decline gradually, typically by 6-8%. At the same time, after pregnancy, the nutritional needs of cows are reduced compared with before. This feature should be grasped to make them eat more hay and properly supplement concentrate to maintain milk yield and milk fat rate at a high level. The ratio of concentrate to crude in mid-lactation diet can be controlled at 40-45:55-60.
During this period, the milk production of cows has dropped significantly, and it is easier to raise at this time. This stage should be used to step up the recovery of the body condition of the milk bucket. There is still potential for milk production during this period, so dairy cows cannot be overfed.
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