The use of bad residues to feed fish is nutrient-rich, low-cost, and cost-effective. It is worth advocating promotion, but usage should be paid attention to.
The main raw materials for starch mash are mung beans, broad beans and corn. The fresh starch residue has many moisture contents and high nutritional value and can be directly used for feeding fish. Dry corn residue after pressing, containing about 22% of digestible protein, is a good concentrate for fish.
Bean curd residue is the main by-product of the soybean product factory. When it is fresh, it contains 8.2% of water and 2%~5% of protein, which can be used as auxiliary feed for fish.
The fresh beet pulp is rich in nutrition, slightly sweet, and the fish loves to eat. It is very good for feeding fish.
Bagasse contains a large amount of cellulose and less protein, but after fermentation, it can also be mixed with the feed to feed the fish.
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