At present, most of the self-breeding dairy farms are dehorned at the yak (1 to 3 months old) stage, and the time should be selected during the cool weather to prevent infection. The breeding cattle (non-pregnant or mid-pregnancy) and dairy cows at the end of milk production are mainly selected to avoid abortion and drastic decline in milk production. Surgical angulation step: fix the cow, especially the head, and then hold the electric cutter along the corner base from 3 to 5 centimeters to cut the corner ring. The speed is required, the method is stable, and the blade is flat. Generally, it can be successful at one time. Due to the high temperature and high friction generated during the cutting process, the capillary in the keratin has been burned, so this method is less bleeding and faster. Hemorrhagic capillaries that had been cut at the corners of the base were ironed to stop bleeding with a soldering iron and then coated with 5% iodine to disinfect the wound. The wounds in the cavity after the horn angle are larger. To prevent infection, some anti-infective drugs can be scattered in the cavity, and then the cavities can be filled with iodine and cotton balls. However, they should not be too tight. Generally, the wound can be naturally wounded within two months. Changping.
Urinary and Reproductive System
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