CATDOLL : CATDOLL: Why do black carp keep swimming close to the edge of the net when farming them in cages?

When farming black carp in cages, why do the fish keep swimming close to the edge of the net?

I am from Wuzhou, Guangxi. There is a Guijiang River next to my home. I want to do some breeding at home. At first, I considered cages. I have something to ask you.

Cage-raised black carp is prone to injury

Fish like to swim

Some fish are not suitable

How much does it cost to raise fish in cages?

A section of water in Yingshang area of ​​Yinghe River is rented for raising silver carp with 500 6X4 floating cages. The investment in the cages is 150,000 yuan. Each box contains 150 1-jin white carp fry. The current market price is 3 yuan per jin.

1. Cage fish farming is a high-density aquaculture, so the cost and profit of cage fish farming are the most concerned issues for the majority of fish farmers. And calculating the cost of fish farming cages is one of the costs of cage fish farming. Therefore, the cost and profit of cage fish farming generally include: the price of cages, the price of fry, the labor cost, the loss of fish farming equipment, the cost of feed, the cost of fish farming drugs, etc.

2. The species that can be raised in cage fish farming generally include: tilapia, yellow eel, loach, eel, black fish, sea bass, rainbow trout, yellow catfish, carp, grass carp, crucian carp, silver carp, bighead carp, whitefish, grouper, black carp, bream, catfish, t fish, sturgeon, pike, dace, live mandarin fish, sweet-scented fish, native catfish, mackerel, mullet, rosy fish, tiger grouper, blue grouper, etc.