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Second, excessive addition of salt in the concentrate feed. Some breeders have added 3-4% of salt to concentrates in order to allow the cows to drink more water to reach the goal of prolific milk production. Little do they not know that doing so can easily increase the burden on the cow’s kidneys and cause cows’ salt poisoning. The proportion of salt in concentrates should be controlled at 0.7-0.8%. In order to supplement the deficiency of salt in concentrate feed, a trough can be set in the dairy stadium, and salt or raft salt bricks can be placed in the trough for the dairy cows to feed freely.
Third, cows with small individuals. The initial age of dairy cows should be 18-20 months and the body weight should be about 380 kg. The two indicators should be considered comprehensively to achieve sexual maturity and maturity. Many breeders do not pay attention to the feeding and management of dairy cows during the breeding period. At 18 months of age, cows weigh only 250-300 kg. If breeding at this time often results in difficult labor for dairy cows.
Fourth, predatory milking. Dairy cows generally have a dry period of 60 days. Due to factors such as cow milk production, age, parity, lyrics and feeding level, the dry period of dairy cows should be appropriately extended or shortened, but the shortest period should not be less than 45 days. Some farmers keep predatory milking for the benefit of their eyes, and have been squeezed until the cows are not producing milk. The negative effects are serious. First, the cows consume excessive nutrients and affect the development of the fetus in the body and the next lactation cycle. Increase the amount of lactation; the second is to cause cows late estrus or estrus after calving is not obvious, sexual cycle disorders.
Fifth, the more fat the cow, the better. Many breeders believe that the more fat the cow is, the better. They increase the amount of concentrate feed during the dry period of the cow and cause the cow to become over-fat. There are also some cultivators who are tempted to add more concentrated feed in order to increase milk production. In fact, it is very easy to cause the ruminant cows to weaken, pre-gastric relaxation and acidosis. Cows are not as fat as possible.
There are five ways to keep dairy cows
First, the cow as a yellow cattle raise. Many farmers raise cows as yellow cattle, and their husbandry and management are extremely extensive. The roughage they feed to dairy cows is mainly dry corn stalks, leaves, wheat straw, rice straw, etc. The concentrated feed is mainly “three-in-a-kind†(bean meal, bran, cornmeal), resulting in a serious lack of nutrition for dairy cows, which in turn causes their postpartum paralysis. , not estrus, dystocia, fetal clothing and so on.