one. According to the growth stage division Yak continues to fatten. Yak feeding is strengthened during feeding period. After weaning, it is transferred to the finishing stage or concentrated fattening after purchase from a special breeding farm. It can obtain higher daily weight gains and earlier slaughter weights are released for slaughter, usually 12 months old. Live weight up to 400KG, daily weight gain of over 1000G, live weight up to 500KG at the age of 18 days, daily gain of 900 -1000G 2. Sheafed beef fattening. This is a late-term concentrated short-term fattening method using the principle of compensatory growth. Can be divided into short-term fattening and intensity of fattening 2 species, a wide range of cattle, feeding the number of days depending on the level of nutrition, until the initial weight of fat, usually 80-120 days, the weight of the slaughter in the 450-500KG or more. two. Divided by management Grazing fattening. It is the most economical way to save fine material and artificial fattening. It can be divided into three ways: whole grazing, half grazing and fattening and short-term fattening at the end of grazing. During the finishing period, the best cow is based on sex, age and weight. The principle group with basically the same sensation, especially the individual weight difference within the same group should not exceed 50KG. The grassland can adopt the method of regular zoning and grazing by the barn. The cow should be able to feed the feed equivalent to 2.5%-3% of the weight per day. Grass dry matter. 2. Feeding fattening. The basic requirements for housing fattening conditions are to keep windproof and warm in the winter, and to ventilate and prevent rain from the rain in the summer. Especially in cold areas, the temperature of the cowhouse should be kept above 0°C in order to accelerate the growth and increase of cattle. Feed utilization rate. three. According to the type of diet composition The fattening diet mainly composed of concentrated feed has a high level of nutrition and a high daily gain. The cow can only reach the slaughter weight early and the meat is delicate. It is often used for high-grade beef production, but due to the large consumption of cereals and the high cost, it is only suitable for food. Especially rich or high prices for beef. 2. The silage corn-based fattening silage corn has high yield and good palatability, and is a high-energy fattening feed. But because of its low protein content. Therefore, it should be used with 50% of the mixed feed containing cake feed to achieve satisfactory results. 3. The corn silage silage based on corn orange silage is better than wheat straw and rice straw, and proper supplementation of mixed concentrate and cake feed can obtain better results. 4. After ammoniated straws and cottonseed cakes were mainly aminated, their digestibility and protein content were greatly improved, and their palatability was also improved. If the diet is supplemented with fine material mixed with cotton cake and corn, and the vitamin A preparation is injected at the same time, the daily weight gain of the winter fattening meat hybrid can reach more than 1500G. 5. The use of distiller's grains, starch slag, and sugar beet slag as the feed for fattening cattle can be used as feed for fattening cattle. It can replace large amounts of concentrate and reduce the cost of feeding. For example, distiller's grains add urea, and appropriate supplements of mixed concentrates are used in combination with “short mash, The management method of less moving, ground brushing, the daily gain of fattening cattle can reach 900-1500G.
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