The purpose of removing horns is to prevent cattle from hurting or harming other cows. For yak before 30 days, the yak can be ironed and dehorned; for calves between 1 and 3 months of age, caustic soda (potassium) burning can be used; for larger yak, chisel or saw can be used for dehorning. After the calf was removed from the nipple, there were 1-2 nipples in addition to the normal 4 nipples. These extra nipples were called nipples. It not only affects the appearance, but also causes bacterial infections and affects milking. When the yak ages from 1 month to 2 months, the parapapillary can be removed. The specific method is to first sterilize the breasts, and then use a sharp curved scissors to cut off the nipple from the base, the wound with 5% -10% iodine disinfection to prevent infection. Drink plenty of water Because the moisture contained in milk can not meet the normal metabolic needs of calves, cows must have sufficient drinking water during lactation. Initially, 1/2 to 1/3 of the hot water can be added to the milk and a water tank can be set in the Yak Sports Ground to allow it to freely drink water. In addition to the cold and cool weather, the calves are allowed to move freely within 10 days of their birth. After 4 to 6 weeks, it should be properly expelled. The daily exercise time can not be less than 1 hour to strengthen the yak's constitution. The ground cleaning and diligent observation of the yak require a higher living environment. It is necessary to clean the floor and clean the floor, keep it clean, dry, warm, spacious, and ventilated. Observe the appetite when feeding yaks. Observe the spirit while exercising. Observe the feces while sweeping. Healthy yaks are smart, bright-eyed and furious, otherwise they may become ill. If yaks are found to have sunken eyes, drooping ears, tight skin, and heavy excrement after feces drive, a preliminary diagnosis of enteritis may be made. The feeds and drinking milk that are fed to clean calves must not have moldy deterioration and freezing blocks of ice, but should also prevent the mixing of heavy metals such as nails and fecal impurities. Commodity feeds must be kept within the shelf life period, if the homemade feeds are to be fed When artificial feeding, milk cows and feeding tools should pay attention to hygiene. After each use of tools, they must be cleaned and kept clean; daily brushing of cattle body once or twice should ensure that calves are not contaminated by sewage and feces. The occurrence of disease. It is best to prevent the calves from raising their calves. The calves should be wiped clean at the end of each feeding of calves. For calves that have already developed calves, a small plank can be placed in front of the bridge of the nose. correct. In addition, the yak unicycle feeding method also plays an important role in controlling the incidence of E. coli disease in calves and reducing the incidence of umbilical corditis. Strict disinfection must establish a regular disinfection system, once a month in winter and 2-3 times a month in summer. The ground, walls, railings, and food troughs are thoroughly sanitised with caustic soda, lime water, etc. If an infectious disease is found, the environment and utensils contacted by the dead cow must be thoroughly disinfected. (Source: Li Yonghe, China Animal Husbandry Report)
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