How to raise catfish

Catfish is a kind of freshwater fish living in the middle and lower layers of rivers, lakes, reservoirs and ponds, which is distributed all over the world. Next, let's introduce how to raise catfish.

How to raise catfish?

1. Water quality

Generally speaking, it does not require high water quality, catfish has low requirements for living water quality, is resistant to hypoxia, is easy to breed, and grows fast. But there is nothing wrong with giving it a good breeding environment as far as possible. A week before the fish fry are disinfected in the fish pond, they begin to fatten the water quality. Some water floating lotus can be planted on the water surface to cover the shade, prevent escape and regulate the water quality. The pool water should be changed frequently, and the pool water should be replaced in 10-15 days. The change of pool water quality should be observed frequently, and the general water quality should be yellowish green.

two。 Increase oxygen

If the fish fry is found to be out of the water, it means that the pond water is too rich and lack of oxygen, and the old water should be released by injecting new water in time. Especially in the muggy or thunderstorm weather, we should pay attention to the frequent injection of new water and increase oxygen in time, and if possible, we can also install an aerator to prevent dead fish.

3. Put in

Fish fry should be harmless, disease-free, healthy and lively. The size of the fry should be more than 3 cm and the size should be the same as possible so as not to kill each other.

4. Heat preservation

Catfish is an excellent species of freshwater fish, but its disadvantage is poor cold tolerance. It is easy to freeze to death when the water temperature drops below 7 ℃. Pay attention to heat preservation in winter.

5. Change water

Don't bask in the sun, it is afraid of light, you can change the water every two or three days or three or five days. If it is tap water, dry it all morning first.

6. Feed

Catfish eat a lot, especially in hot weather, catfish is omnivorous fish, usually can be fed with steamed bread, or get some meat, snails, earthworms, small catfish do not feed too large things. Catfish fry is easy to die, do not feed too big fish, it is easy to swallow themselves alive, feed other small fish, shrimp, insects and so on, you can also eat minced fish when hungry.

In addition, catfish generally start their activities in spring, and Rudong doesn't eat any more, so they should be fed enough food before entering winter to keep it safe through the winter.