After the calving of the cows, their physical performance decreased significantly, their resistance decreased, and the cows developed a physiological morbid state. Yak output, low abdominal pressure, stomach is empty, postpartum cows are fatigued, need to give adequate rest, especially to the post-natal cow processing to "three hot":
First, the cows should be cleaned of dirt, breasts, abdomen, hindquarters, and tail areas after calving. Do not use cold water. Use hot, warm water that isn't hot. Use clean hay or heat. Towel dry. Remove faeces and contaminated grass. Do not let the cow lie on a cool, damp, cool ground. Spread a layer of clean grass beneath the cattle.
Second, the post-calving cows consume large amounts of energy, and the cows are weak and thirsty, but they are not allowed to drink cold water at will. For example, if cattle are allowed to drink cold water on their stomachs, the temperature of the cattle body will fall and the normal body temperature will be lost. In a good environment, it is easy to have a cold and fever. Also, because of the chilling of the cold water, the placenta in the uterus will stagnate and cause more damage. Therefore, postpartum cows should not be allowed to drink cold water. The correct course of action is to give the cows about half an hour of rest and then give the cow warm water that is close to the body temperature. You can drink it for 1 week and then gradually change to drinking water at room temperature.
Third, cows can start milking 40 to 60 minutes after delivery. Wash your hands with warm soap before milking to prevent cold hands and impurities. Wash the water of the breast, use the boiled water to cool and not wash the breast when it is hot, but it can't be lower than 38°C. It is better to wash the breast with 53～56°C hot water. The low water temperature itself is a kind of cold stress and cold damage. Especially with cold water below 20°C, the cow is very disgusted and uncomfortable. The performance is unwilling to approach people and the breast does not swell. Washing the breast with hot water can expand the blood vessels of the breast and speed up the blood circulation of the cow, thereby reducing the super-negative tension formed by the fatigue of the cow's delivery, reducing the accumulation of acidic substances in the muscle, promoting the metabolism of the cow, and Stimulate the nerve endings, inhibit the brain's excitement, accelerate the speed of cattle's falling asleep, and increase the depth of sleep, so that the cattle have been fully rested and recovered as soon as possible to relieve postpartum physiological morbidity. At the same time, washing the breast with hot water can not only enhance the synthesis of milk fat, increase the milk fat percentage, but also reduce the amount of microbes in the milk, so that the milk meets the hygienic requirements.
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