Feed control should be strengthened to prevent moldy feed from harming livestock and poultry. The mold of the feed is caused by mold. The main mold molds are Aspergillus flavus, Aspergillus fumigatus, etc. They are accumulated and stored for a long time. When the temperature and humidity are appropriate, they will multiply, resulting in rotten feed. Prevention of mildew is as follows: (1) Keep the feed dry, clean, and air circulate. (2) Store and seal the feed to prevent mold growth. (3) Calcium propionate (sodium) mildew, 100 kg feed plus 50 g sodium propionate or 100 g calcium propionate, stir well. (4) Ke mold net mildew, add 0.5 kg Ke mold net per ton of compound feed, can make feed 2 months without mildew, no agglomeration. Detoxification of feed. After the flood, the temperature and humidity are suitable for the reproduction of mold, so moldy feed increases. In order to reduce the direct loss caused by the flood, the less serious feed for mildew can be detoxified and then fed, commonly used The poisoning methods are: (1) Washing and detoxification: Place moldy feed into the tank, add appropriate amount of water (preferably boiling water), dip the feed, and stir it thoroughly with a wooden stick. After washing for 5-6 times, it can be used. Feeding poultry. (2) cooking detoxification method: the moldy feed into the pot, add water, boil for 30 minutes or cook for 1 hour, and then wash with water several times, remove the water can be detoxification feeding. (3) Ammonia detoxification method: The moldy feed water content adjusted to 15% -20% into the tank, ammonia gas, and then sealed for 12-15 days, and then dried to reduce the ammonia content Ready to use. (4) Detoxification of sucrose: moldy feed shall be immersed in 1% sucrose solution for 10-14 hours, then the soaking solution shall be filtered off, rinsed with water and then sun dried to detoxify. (5) Fermentation and detoxification: Wet and pure water, mix well, and the water content reaches 50% to 60%, pile it into heaps, naturally ferment for 24 hours, then add 2% of ash to mix well, and neutralize it for 2 hours. In the bag, rinsing with water, filter out the gray water of the vegetation, pour the glutinous bran twice after pouring, and ferment at room temperature for 7 hours, the detoxification effect can reach more than 90%. In addition, we must also do a good job of health and epidemic prevention.