Newborn cows are known as quail cows for up to six months. The mortality and morbidity of quail cows are high. The direct cause is lack of nutrition and poor husbandry and management. Therefore, strengthening the feeding and management of dairy cows during lactation and providing reasonable nutrition are the key to guaranteeing the health of dairy cows and improving the survival rate. Feed colostrum: After feeding cows, cows should be fed colostrum as soon as possible. Frailty can be postponed 1 hour - 2 hours, the first dose of 2 kg; infirm 0.75 kg - 1 kg, fed 2 times -3 times a day. To make it as soon as possible to obtain maternal antibodies for 5 days - 7 days. Colostrum has many special biological characteristics and is an indispensable and alternative nutrient for newborn calves. Its role: 1 to replace the mucosa on the intestinal wall, improve the resistance to the disease; 2 contains dissolved enzymes and immunoglobulins, can inhibit or kill a variety of bacteria; 3 contains a large number of easily digested nutrients, more magnesium salts to promote Meconium excretion and promote the secretion of a large number of digestive enzymes in the stomach, promote gastrointestinal function formation. Regular milk and milk substitutes: The milk secreted by cows 7 days after calving is called regular milk, and is the main food for calf cows. It feeds 150 kg to 450 kg milk throughout the period. After 30 days of age, half of the feeding amount can be gradually reduced and replaced with the same amount of high-quality skim milk. When supplying milk replacer products, care should be taken to supplement vitamin A and vitamin D and other fat-soluble micro-organisms. After feeding regular milk, he began to train to eat hay and concentrate. In order to stimulate the development of the rumen, the yak is allowed to freely eat high-quality green hay. The amount of concentrate also increases with the age, and 2 kg to 2.5 kg can be fed at 6 months of age. Generally weaned at 60 days of age. Precautions: 1Instant cleaning and disinfection of utensils: The calf pen is regularly sterilized, ventilated and ventilated, and kept dry; calf skin is often brushed and kept clean. 210 days of age - 15 days of age began to adjust eating habits and character, proper exercise.
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