Crabs do not feed "small fish" can also feed what

2021-06-23 14:05:05
Crabs that do not "eat quail" grow little. However, if the crab farmer catches a large amount of “small miscellaneous fish” or puts chilled mixed fish, it will cause fish resource loss and pool water pollution. Yesterday, a new technology of "crab biofeed" passed the scientific and technological achievements organized by the Municipal Bureau of Science and Technology. In the future, crabs will no longer be fed by "small fish."

According to reports, the crabs that eat oysters are of good quality, fast development, and early listing. For a long time, the crab farmers in our city have mainly adopted the crab-raising method of “feeding small trash fish” supplemented by “traditional pellet feed”. As a result of the large number of fish juvenile fish being caught, small trash fish are extremely unfavorable to the conservation of fish resources. On the other hand, the contamination of pool water and pond bottom mud is increasingly aggravated after feeding, resulting in an annual increase in the incidence of river crabs.

Last year, a biotechnology company in Beijing and the Chinese Academy of Fishery Sciences Freshwater Fisheries Research Center, in conjunction with the Gaochun County Fisheries Bureau, carried out the “Application Study of BGB River Crab Biological Feed in Aquaculture” in Gucheng Lake.

"The new feed will be used to slaughter waste from soybean meal, cottonseed meal, rapeseed meal, shrimp shell, and chicken intestine. After high-temperature rapid fermentation to form small-molecule bioproteins, it will enhance the nutrient absorption and disease resistance of crabs and reduce the residual baits. The technicians told the reporter that at the same time, after the new feed has been digested and excreted by the crabs, it can effectively decompose the total nitrogen and total phosphorus near the sediment, thus significantly improving water quality.

Note: This article is not recommended not to feed small junk fish. This article aims at water quality in the south. The best way to deal with the northeast is to feed small junk fish, which is superior to all synthetic feeds. Lao Wang recommends that small junk fish and artificial feed be fed at the same time. To nutritional balance

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