1, pay attention to feed storage, feed harvesting, drying and storage, to do fast, fast hit, in particular, should pay attention to timely drying, and storage in a dry environment. 2. When preparing feed, care should be taken to eliminate harmful and toxic substances in the feed. 3, pay attention to the storage environment of the feed, Aspergillus flavus, Aspergillus parasiticus, etc. are aerobic bacteria, growth will be inhibited under confined anoxic conditions. Therefore, the higher moisture content of the feed must be sealed. If the use of plastic bags isolated air storage feed better, and the feed moisture content of 13% or less is appropriate. 4, in the feed to add anti-mildew material, such as ethylene oxide, herb, wormwood and so on. Moldy feed detoxification method 1, pick the law. This method can be applied to the detoxification of straw and pellet feed. The method is to pick out the moldy part of the feed and reduce the toxic content of the feed. 2, washing method. This method is applicable to the detoxification treatment of the seeded feed. The method is: grinding moldy feed into powder, pouring it into the tank, adding 3 to 4 times of water, and then stirring and soaking, changing the water daily. Stir twice until the soaked water turns from brown to colorless. This method is simple and effective. 3, drying detoxification method. This method is mainly used for detoxification of straw feed. The method is: first, the moldy feed is dried in the sun, and then the air is shaken loose to remove the spores of the mold and make it harmless so as to achieve the purpose of non-toxicity. 4, de-embryo detoxification method. This method is mainly used for detoxification of corn, because moldy corn toxins are mainly concentrated in the corn embryo. The method is: first grind the corn into small particles of 1.5 mm to 4.5 mm, add 5 times to 6 times of water, and then stir and lightly scoop the pieces of embryos to float on the water because of lightness. Out or with the water, so repeated several times, you can achieve the purpose of de-embryo. 5, with lime water leaching. This method is suitable for detoxification of corn, sorghum and other seed feeds. The method is: first, the moldy feedstuffs such as corn are broken into small pieces with diameters of 1.5 mm to 5 mm (small grains such as sorghum can be crushed), and then lime powder after 120 mesh is smashed in 0.8% to 1%. The proportion of mixed into moldy feed, the final mixing of lime powder material and water into the container according to the ratio of 1:2 stirring for 1 minute, then static 5 to 8 hours, the water is poured out, and then rinsed with water 2 times ~ 3 times, can be used after drying. To take this method to poison, if the content of aflatoxin in moldy feed is below 10010-6, the detoxification rate can reach over 97%; if the content of flavomycin is 10010-6～20010-6, the detoxification rate can reach About 94%; If the aflatoxin content in 30010-6 ~ 40010-6, detoxification rate of up to 91%. 6, using ammonia to detoxification method. This method is suitable for detoxification of bran feed. There are a large number of high temperature and large agent two treatment methods: a, high temperature treatment method. That is to say, 12.5 g of ammonia per 1 kg of feed is mixed. After mixing in a container, the container mouth is sealed with a plastic cloth and placed indoors. At room temperature of 20° C., the detoxification rate can reach 87.5% after 7 days; if the room temperature is maintained At 40°C, the detoxification rate can reach more than 90% after 5 days. Therefore, the higher the temperature, the shorter the detoxification time and the higher the detoxification rate. The specific opening time can be determined according to the indoor temperature. b. High-dose treatment method: This method involves mixing a large amount of ammonia in the moldy feed. After uniformly mixing in the container, seal the container mouth with a plastic cloth, place it indoors, and detoxify it at room temperature. If 17.5 g of ammonia is mixed in every kilogram of feed, it can be detoxified by more than 95% in 5 days; 25 g of ammonia in 2 kg of feed can be detoxified after 3 days. However, it should be noted that for every 1 kg of feed, the maximum dose of ammonia water should not exceed 25 g. After the feed is opened, ammonia should be allowed to volatilize for 24-36 hours before being used. 7, alkali detoxification method. This method is suitable for detoxification of seed feeds. The method is: add 3 times of water (300 kilograms) per 100 kilograms of moldy feed, add 500 grams of soda powder or 1000 grams of lime to co-cook, cook until the feed is cracked, allow it to cool, and then rinse with water. It can be used when there is no alkaline taste. China Agricultural Network Editor
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