First, soybean meal fermentation method:
The bottom of the fermentation tank is 2×1.5 meters, 1 meter high, 1000 kilograms of soybean meal, 20 kilograms of corn flour, 3 to 5 kilograms of Baiyibao EM stock solution, and the soybean meal and corn flour are mixed into the pool evenly, and 3 to 5 kilograms of Baiyi The EM stock solution is evenly sprinkled on the surface of the mixed raw material, and then the water is added to the water tank and added to the surface of the material. The water faucet is turned off and the water is allowed to penetrate into the material. Generally, the water addition amount is 1 to 1.5. That is 1.5 times the total material, here is 1500 kg of water, the water is not easy to be too large. It is better to use a hand to grab a group without dripping water. Then add a thick plastic film on the surface, and the place where the plastic film is in contact with the edge of the pool should be rolled into the material to ensure the seal is intact. ?
Fermentation time, at least 3 days in summer, at least 10 days in winter, at least 6 days in spring and autumn, especially the fermentation time of soybean meal in the fermentation tank is extended for two days, so that the ferrous iron can be fully chelated into the small peptide, which will also produce more More peptides. Why is it so long? Because the fermentation is followed by trichloroacetic acid (TCA) detection, the fermentation produces the most small peptides at a moderate temperature (about 30 degrees) for about three days, and the soluble protein reaches more than 25%. ?
The solubility of soybean meal after fermentation increases, (be careful not to pour off the water oozing out after fermentation, because there are a lot of soluble amino acids and peptide nutrients), slightly sticky, the smell has a strong flavor and slightly raw material taste. The color is golden. ?
After each use, it must be sealed again immediately to prevent deterioration and deterioration of the fermented material. It should be used within a breeding cycle (about 100 days). ?
Note that it is not possible to ferment under the sun, otherwise the temperature will increase too much heat, resulting in unfavorable fermentation. Second, soybean meal fermentation to feed pigs?
According to the formula of the pig farm, the soybean meal in the formula can be changed into fermented soybean meal, which can significantly increase the digestion and absorption rate of the feed and reduce the feed to meat ratio. In the specific weighing, since the fermented soybean meal is a wet material, according to the above process, it is necessary to multiply by about 2.6, that is, if you need to weigh 10 kg of fermented soybean meal, it is actually necessary to weigh 26 kg into the ingredients. . ?
Or in the case of maintaining the ratio of meat to meat and maintaining the same growth rate, the amount of 3 to 5% may be slightly reduced, and the vegetable meal, cotton aphid, or wheat bran corn may be used instead. That is to reduce the concentration of energy protein content of the formula to reduce costs. And it is possible to use 5% or so of un-detoxified rapeseed meal for fattening pigs. ?
Fermented soybean meal must be used in a wet state, and should not be used for drying, because drying will cause the active substances in the fermented soybean meal, especially the active peptide to be denatured, thereby losing activity and causing soluble amino acids such as lysine and the like. The mela (Medra) reaction of reducing sugar, and the loss of energy and protein peptides, etc., while vitamins and beneficial microorganisms will also have great losses in the process of drying, it is recommended to add water before mixing. Feed the pigs, the ratio of material to water is 1 to 1.5 or more.
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