1, cottonseed cake
Cottonseed cake is easy to cause poisoning of livestock and poultry because it contains free gossypol. The common detoxification method for cottonseed cake is:
Add the amount of plant ash or quicklime to 100 kg of clean water and mix well. After the sedimentation, take the cottonseed cake soaked in the supernatant, the proportion of cake liquid is 2:1, soak for 24 hours and then use the filtrate of water for 3~4 times to feed.
Add 1.2-1.5 kg of ferrous sulfate per 100 kg of soil-squeezed cotton seed cake, and add only 0.15-0.2 kg of machine-pressed mash, and then soak it in the appropriate amount of water for 4-6 hours to feed.
Spray evenly on the cottonseed cake powder with 2% ammonium bicarbonate or 1% urea solution. Mix well when the water content of the cake powder reaches 15%, then seal it with plastic film for 24 hours, then feed. .
Spray 15 kg of 15% soda ash solution on 100 kg cottonseed cake, mix well and seal with plastic film for 5 hours, then steam for 50 minutes to dry; or soak in water with a concentration of 1% sodium hydroxide solution 3~4 After a few hours, drain the solution, rinse with water, and allow to dry. Cook at a high temperature of 110 ° C for 3 to 5 minutes.
2, peanut cake
Peanut cake itself has no toxins, but improper storage can easily infect aflatoxins and cause poisoning of livestock and poultry. If the peanut cake is infected with aflatoxin, it must be detoxified before feeding the livestock. The commonly used methods of detoxification are:
The contaminated peanut cake is crushed and placed in a cylinder, and 5-8 times of water is added, stirred, left to stand, and then allowed to settle, and then water is changed several times until the soaked water is colorless. This method is only applicable to mildly mild feeds. For safety reasons, the detoxified feed should still be used in conjunction with other feeds, and the feed should be limited.
Soak and rinse the infected peanut cake with a saturated aqueous solution of lime for 3 times, then rinse repeatedly with water.
The infected peanut cake was baked at 150 ° C for 30 minutes or irradiated with mildewed peanuts for 14 hours, and 80% to 90% of the aflatoxin was removed.
Seal the moldy peanut cake in a smoked can or plastic film bag to make the moisture content more than 18%. Fumigation with ammonia for 10 hours can reduce the aflatoxin content by 90% to 95%.
Add 5% of quicklime to the mildewed peanut cake, and the detoxification rate can reach 90% to 99%.
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