The juveniles have a great degree of plasticity. If they are poorly fed and fed poorly, they will not only hinder growth and development, but also affect the reproductive function. The nutritional needs of juveniles depend on the growth rate and stage of development. The turning point of cattle growth is about 1 year old, while the 1 to 6 months of lactation and the 7 to 12 months of age after weaning all have certain regularities. The main long skull and body height within 2 months of age; the body length increases rapidly after 2 months of age; from weaning to sexual maturity, the growth of bones and muscles is stronger, the various tissues and organs increase accordingly, the sexual function starts to move, and the body structure and The type of digestion tends to be fixed, and its skeleton and body shape mainly develop to a wide depth. This period is also a critical period for directional cultivation. Breastfeeding is mainly based on breast milk, but after half months of age, supplemental feeding is needed. Colostrum should be eaten as soon as possible within one hour after birth. Before weaning, it is necessary to supplement high-quality hay and concentrate feed. After weaning, we must grazing more, and we must supplement the malnourished young cattle. 10 days after birth should be rushed to outside the exercise, 1 month after the age should exercise twice a day, each time about 1 hour. The cowshed should pay attention to hygiene, regular disinfection, daily brushing to keep the body clean and cultivate the habit of easy access. After weaning, male and female were fed separately. Public servants, regardless of their service or meat use, should be castrated for 8-10 months of age for development and feeding.
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