Cottonseed cake is a byproduct of oilseed from cottonseed, and generally contains 30-40% of crude protein. It is a good protein feed in pig production. However, because it contains a certain amount of toxic free gossypol, its use is limited. If a large number of pigs are used for a long period of time, it will cause poisoning, so it must be detoxified and limited to feed the pigs. In pig breeding practices, the following methods can be used to reduce the toxicity of cotton seed cakes, thereby increasing their feed value.
The boiled method will be crushed cotton seed cake soaked in warm water for 8 to 12 hours, the soaking solution drained, and then add the appropriate amount of water (in order to submerge the cotton seed cake is appropriate), heat and boil for 1 hour, stirring while stirring, after cooling Can feed.
The ferrous sulfate solution soaking method will be used to soak the cotton seed cake with 1% ferrous sulfate solution for 1 day and night, stir several times in the middle, soak the soaking solution after soaking, and feed directly.
Alkaline water soaking method is soaked with 2.5% plant ash or 5% lime water or 5% baking soda solution for 1 day and night, and then the soaking solution is removed. After three times of thorough soaking with water, it can be fed.
Controlled feeding and finishing pigs should not consume more than 400 grams per day, pregnant sows should not exceed 250 grams per day (sows should be stopped before and during the first half of the year), newly weaned piglets should not exceed 100 grams per day, and generally 1 should be fed. After a month, stop feeding for 1 month or half a month for half a month.
Feeding green feed While feeding detoxified cotton cakes, feed green feed. Because green feed is rich in vitamins and more water, especially carotene and vitamin C, and has laxative effect, it can reduce the toxic effects, prevent constipation and improve nutritional status.
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