The bean curd residue is a by-product of the production of tofu or soy milk, and its crude protein content is about 30%. It is a kind of inexpensive feed and can reduce the cost of breeding. However, bean curd slag must be fresh and must be controlled when feeding. In addition, the bean curd residue should be heated for 15 minutes before feeding to enhance the palatability and improve the protein absorption and utilization.
When using bean curd residue to feed pigs, the amount should not be excessive. Feeding pigs with fresh bean curd residue, the piglet feed amount is 5%~8% of the diet, the middle pig feed amount should be controlled within 15% of the diet, and the finisher pig feed should be controlled within 20% of the diet. . In addition, the use of bean curd residue to feed pigs, when fed with a certain proportion of corn, bran and mineral elements, plus some green feed to meet the needs of pig growth and development; can not use frozen bean curd residue feed the pig, otherwise easy Cause the pig's digestive function disorders, should be melted before feeding; fresh bean curd residue should be kept as fresh as possible, if there is mild sour taste, add 50 grams of lime powder or baking soda powder to every kilogram of soybean curd residue before feeding the pig Evenly to neutralize acetic acid.
When using soybean curd residue to feed cattle and sheep, the amount of edible chicken can be increased by 10%, and the amount used in the late period of fattening can not exceed 25%. Otherwise, the quality, appearance and taste of beef and sheep will be affected, and beef and mutton will not be stored. When feeding ducks and geese, the utilization rate of crude fiber is higher for ducks and geese, and the amount can be increased by 5% compared with the amount of chicken fed. However, when using soybean curd to feed chicken, it is necessary to control the dosage. Chicken bean curd residue should be controlled within 6%, the growth stage should be controlled within 6%~15%, the middle chicken stage should be controlled between 10% and 12%, and the large chicken stage should be controlled between 15% and 18%. Full-price feed does not need to add soybean curd residue. When self-mixed feed is used, the proportion of soybean curd residue added is determined according to the ratio of bean cake and fish meal. If the bean cake occupies 25% of the feed, the bean curd residue should not be added, or the protein will be too full. The principle of adding rubbish residue is that the sum of animal protein feed (such as fish meal, blood meal, etc.) and vegetable protein feed (such as bean cake, bean curd residue, etc.) must meet the nutritional requirements of chicken protein.
At present, there are two kinds of storage methods for bean curd residue, one is anaerobic fermentation storage. Seal the bean curd residue with a sealed jar to extend the shelf life. The second is dried storage. Remove the moisture from the bean curd residue and control the moisture to 13% to 14%. The industry believes that the best use of bean curd residue is to reduce the cost and to dry it will make some of the nutrients lost to the soybean curd residue. The amount of anaerobic fermented bean curd is used to feed livestock, and the amount is equivalent to the amount of fresh feed. When dried bean curd residue is fed to livestock, the amount should be reduced to 1/5 of the fresh amount.
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