Summer feed is prone to mildew and deterioration. Once the livestock and poultry have eaten the mildewed feed, the lighter will affect the growth and development of the livestock and poultry, and the severe ones will be poisoned and die, causing significant economic losses to the farmers. To this end, the following describes the simple treatment of several mildewed feeds.
1. Elimination method: For the straw and pellet feed, once the mold changes, directly remove the moldy and deteriorated parts.
2. Washing method: The seed-like feed has mildew. You can firstly mold the moldy powder into the tank, add 3~4 times of water and mix well. Then change the water twice a day until the soaked water changes from brown to brown. It is colorless.
3. Drying method: mainly used for a large amount of straw feed. The method is: firstly, the moldy feed is dried in the sun, and then ventilated and shaken to remove the mold.
4. Heating method: For the cake material, baking at a temperature of 150 ° C for 30 minutes, or heating in a microwave oven for 8 to 9 minutes, the aflatoxin can be destroyed by 48% to 61%.
5. Adsorption method: clay and zeolite (the main component of which is aluminosilicate) can not only promote the growth and development of livestock and poultry, but also have a strong adsorption effect; adding 0.5% clay or zeolite to the feed can adsorb the feed. Mycotoxins.
6. De-embryo method: After corn mold, its toxin is mainly concentrated in the embryo. First grind the corn into small particles of 1.5 to 4.5 mm, add 5 to 6 times of water, and then stir. The fragments of the embryos float on the surface due to lightness, remove them or pour them off with water. , you can achieve the purpose of detoxification.
7. Lime water immersion method: suitable for corn, sorghum and other seed-based feeds. The method is: firstly, the large-sized moldy feed such as corn is pulverized into small particles having a diameter of 1.5 to 5 mm (the sorghum and other grains are small, and may not be pulverized), and the lime powder after 120 mesh sieve is mixed at a ratio of 0.8% to 1%. In the moldy feed, the material and water mixed with the lime powder are poured into the container at a ratio of 1:2, stirred for 1 minute, allowed to stand for 5 to 8 hours, poured out of water, and continuously rinsed with water for 2 to 3 times. It can be used after it is dry. Additional information indicates that adding 5% of quicklime to moldy feed can remove 90 to 99% of the toxin.
8. Ammonia method: suitable for bran feed. The method is: 12.5g of ammonia water per kilogram of feed, after being evenly stirred in the container, sealed with plastic cloth, the detoxification rate is above 87.5% at room temperature 20 ° C, 7 days; room temperature 40 ° C, after 5 days detoxification rate More than 90.
9. Alkali cooking method: suitable for seed-based feed. The method is as follows: mix 100 kg of moldy feed plus 3 times of water, 500 g of soda ash (or 1 kg of lime), and cook until the feed is cracked. After cooling, rinse with water to remove alkali odor. Ready to use.
10. Fermentation method: Fermentation is carried out by using Lactobacillus, and the toxicity of aflatoxin is lowered by the action of the enzyme. Treating the feed in this way not only reduces the toxicity of mycotoxins in the feed, but also increases feed nutrients (bacterial proteins) and improves palatability.
It should be noted that the above treatment method is generally applicable to mildly mildewed feed, and is used together with other feeds after treatment, not as a "main grain" for livestock and poultry; for feeds with severe mildew, because the treatment cost is too high, All discarded as well.
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