1 feed moldy hazards After the feed becomes moldy, the physical and chemical properties of the feed will change, and the physical changes will be manifested in discoloration, decay, fever, and odor; chemical changes will be manifested in the decomposition of feed and the consumption of nutrients, resulting in the waste of feed. In feed moldy metabolites, aflatoxin is the most dangerous. After the livestock and poultry feed on mouldy feed, they will be infected with mycosis, and the animals will suffer from loss of appetite or food loss, atrophy, growth inhibition, reduced yield, debilitation, anemia and various serious complications, and even death. At the same time, toxins directly harm human health through livestock and poultry products. 2 Causes of moldy feed The mold of feed is mainly caused by molds. Molds are widely found in nature, and the main mold-causing bacteria are Aspergillus flavus and Penicillium. If the raw materials have not been dried or dried after harvesting, they will be stored in the warehouse, or they will be accumulated and stored for too long. The mold in the feed will multiply when the air temperature and humidity are appropriate, resulting in rotten feed. Need to point out in particular: Do not pay attention to the summer and autumn rainy season, as long as the feed storage environment damp tide, or water content in the feed moisture exceeds the standard, the same will happen to moldy rotten food, but the moldy temperature at low temperature is slower than high temperature, so it is not easy to be People are aware. In addition, poor ventilation of the warehouse and leakage of water are also causes of moldy feed. In addition, when feeding animals and poultry, each time too much material is added, the material will accumulate in the tank for too long, and the material tank will not be cleaned for a long time, which may also cause moldy feed. 3 ways to prevent moldy feed 3.1 Pay attention to the preservation of feed The warehouse where the feed is kept must be kept dry and clean. There should be a bottom under the feed, and there should be gaps above and around to allow the air to circulate. 3.2 Hypoxia mildew In the rainy season, plastic bags can be used to seal and store feed and inhibit mold reproduction. 3.3 Anti-mildew Acetic Acid It is to use 2 points of acetic acid, and 1 point of sodium acetate to be mixed, then add 1% sorbitol, stir evenly, dry and mix it into the feed at a proportion of 1%, and store it for 90 days without mildew. 3.4 Calcium propionate (sodium) mildew In this method, 100 g of calcium propionate or 50 g of sodium propionate is added to each 100 kg of feed. After mixing, it is stored in wooden barrels, cement pools or plastic bags. The validity period is up to 2 months. . 3.5 g mold mildew mildew That is, 0.5 kg of gentamicin is added to each ton of mixed feed. It will not be mildewed for two months and will not be agglomerated. 3.6 do a good job in feed management When feeding livestock and poultry, do not feed more to add ground, pay attention to clear feed agglomeration phenomenon. Mangers and drinking fountains must be thoroughly cleaned and disinfected, and feed must be frequently sun-dried in order to prevent mildew in the feed. 4 mildew detoxification method 4.1 Washing and detoxification The method is to put moldy feed into the tank, add clear water (preferably boiling water) to soak, stir with a wooden stick, wash 5 to 6 times, then it can be used to feed livestock and poultry. 4.2 Cooking detoxification Can moldy feed into the pot, add water to boil for 30 minutes, or cook for 1 hour, remove the water can be. 4.3 Detoxification with lime water This law can be mildew feed into 10% pure lime water soak for 3 days, and then wash with water, dried after detoxification. 4.4 Detoxification with Ammonia It is to adjust the moisture content of moldy feed to 15% to 20%, into the tank, ammonia gas, and then sealed for 12 to 15 days, and then dried it, so that the content can be reduced after feeding. 4.5 sucrose detoxification This method is to moldy feed soaked in 10% sucrose in 10 to 14 hours, and then filtered soaking solution, and then washed with water, and then spread drying in the drying field, you can detoxify. 4.6 Take Fermentation and Neutralization This law is about to mold feed with the appropriate amount of water moist, mix well, so that the water content of 50% to 60%, made of heap, let it naturally ferment for 24 hours, then add 2% of plant ash, mix and neutralize 2 small, install Into the bag, rinse with water, filter out the ash, pour it out and add bran twice, and ferment for 7 hours at room temperature. 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