First, avoid early mating of a lot of dairy cows yak after birth is not enough 18 months of age, weight is only about 250 kg when the emergency breeding, often cause first child dystocia, rupture of the vulva, severe secondary endometrium Inflammation affects future reproductive fertility. The cattle-raising household must not be eager for success. Only when the cow is completely mature and has a body weight of 350-400 kilograms can breeding be done.
Second, avoid excessive milking General cows lactation period of 305 days, but because of its age, parity, sensation and feeding levels and other factors, sometimes the prolonged or shortened lactation period. Some cattle farmers stopped milking from the time they had been squeezed until they had no milk, causing dairy cows to over-consume nutrients. This led to problems such as inexplicable estrus, sexual cycle disturbances, and difficulty in getting pregnant and affecting the increase in lactation. Therefore, when milking during lactation, the cow should be given enough time to make up for the loss of nutrients. Generally, milking should be stopped about one month before weaning, laying the foundation for seizing the higher milk production of the next baby.
Third, avoid dry milk reduction cows through calving lactation, the body of many nutritional losses, coupled with pregnancy, embryonic development of the nutritional needs, all need to restore dry milk during the supplement. Many dairy cows think that they should feed poorly when they are not milking, and significantly reduce the feeding of fine material. As a result, the condition of the dairy cows is seriously reduced, the calving process is prolonged, the calf's physique is thin, and the poor quality of the milk production is low. Therefore, in addition to just a few days after the milk and just a few days before the onset of milk production, the cows can appropriately reduce the amount of concentrate feeding. The amount of dry feed during the dry season must be supplied with sufficient concentrate. The daily feed intake is usually 0.8% of the weight of the cow. should.
Fourth, bogey does not brush cattle cow skin skin metabolism, sensitive to dust outside. When the coat is accompanied by dry faeces or parasites, the cows will feel uncomfortable. Common tongue licks or dry skin will be used to remove itch, which will affect sleep and consume unnecessary nutrients. Normally, the body should be protected from hygienic cleaning. Do a good job of prevention and treatment of ectoparasites, and insist on brushing once daily with a brush or comb.
The five bogey system for raising many cows is used to raising the cows with ropes and necks, limiting the activities of dairy cows, causing cows to have difficulties in production, having no placental clothing, estrus lagging, poor body condition and slow development of calves. . For this reason, dairy cows usually have to ensure that they have not less than 2 hours of outdoor activities each day. In addition, calves should allow them to move freely within calves. This will effectively promote metabolism, increase appetite, and ensure normality. Breeding, improve disease resistance.
Six bogey do not talk about health Many dairy cows believe that dairy cows are very resistant to disease, and they do not pay attention to environmental disinfection and feed water hygiene, which often leads to the death of dairy cows. Every winter and spring must use quicklime and Lysol to sterilize the cowshed and the surrounding environment once a week. Summer and autumn are to be disinfected twice a week, and feed and drinking water should be sanitized, and no mildew feed should be provided.
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