Small-scale duck farmers should pay attention to the following matters when self-produced feeds are used: 1. Select feeds according to local conditions. Try to use local feed resources, consider the nutritional value, but also pay attention to the price in order to reduce costs. 2, adjust the feed formula to ensure the nutritional needs of ducks. The combined diet should be close to the feeding standards so as not to cause nutritional deficiencies or excess, resulting in the occurrence of certain nutritional deficiencies or economic losses. At the same time, the ratio of protein and energy in the duck feed should be balanced, otherwise it will increase the consumption of feed. 3. Avoid using mildew or raw materials containing harmful substances to prepare diets. Each time the preparation of feed should not be too much, it is advisable to finish it within one week and keep the feed fresh. During the high temperature and high humidity period, if the self-prepared feed or the purchased feed is left for a long time or is left in the chute for a long time during feeding, it will cause the feed to be fermented and become mildewed. It is best to use the same day in the summer. Keep feed fresh. 4, the feed must be fully mixed, especially a variety of vitamins, trace elements and drugs and other additives, must pay attention to mix well, otherwise it will cause adverse consequences. 5. The diet should be relatively stable. If it is necessary to change, there must be a transition period of one week, especially at the peak of egg production, so as not to reduce the egg production rate. 6. The content of crude fiber in the diet should not be too high, preferably around 3%. 7, in the summer or in drinking water to add carbonate, vitamin C, in order to help maintain electrolyte Balance and reduce the adverse effects of stress factors.

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