First, the additive can not be used instead of concentrate feed. The additive is mainly composed of vitamins, trace elements, growth promoters and some drugs. It does not contain protein and energy substances. Its function is to improve the full price of the diet, improve the utilization of feed, and promote the rapid growth of pigs. Only when the nutritional level of the feed is fully priced, can the additive be used to supplement the deficiency of certain substances in the feed to maximize the effect. Must not simply add some additives in the rough feed directly to feed the pig, should not eliminate the use of additives in the concentrate feed. Second, can not be mixed with several additives. Additives are mostly compound types. If several additives are used in combination, as if they are used in the same amount, the physiological function of the pig may be disturbed. In addition, there are certain antagonisms between different kinds of additives, and mixed use will affect the normal growth and development of pigs, increase feed costs, and reduce the benefits of pig production. Third, the use of additives should not be too large. Appropriate use of additives is effective, such as just as a supplement to grow fattening pigs essential nutrients, somatotropin, vitamins and trace elements, if the amount is too much not only increase the cost of feeding, resulting in waste, but also affect the pig's growth and development, and even poisoning phenomenon. Therefore, when pigs are fed with additives, an additive with full ingredients, rich vitamins, and reasonable formulas should be selected, which can be added according to the amount required. Experienced pig farmers can flexibly select high-efficiency and high-quality pigs according to their different growth stages. , cheap additives.
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