How to Raise Channel Catfish: Channel Catfish Farming Techniques
AbstractPond: The water depth should be 1.5-2 m, with sufficient water supply and water quality free from pollution. Management: During the rearing period, keep the water quality fresh and change the water once every 10-15 days (the water change amount is 1/3-1/2). Feed: Feed with artificial feed. Spawning: The spawning temperature range for channel catfish is 21-29°C, the optimum temperature is 26°C, and the breeding season is June-July. Diseases: Common diseases include Edwardsiella disease, columnaris disease, etc., which require active prevention and control.
The channel catfish is a large species of fish. For precious fish like these, we should protect them well, but how do we raise them? The editor does not know how to raise channel catfish either; I have only eaten them, not raised them. So now let the editor introduce to everyone how to raise channel catfish. Let us learn about it together.
How to Raise Channel Catfish
1. When monoculturing channel catfish in a pond, ensure sufficient water supply, freshwater and water quality, and that the water quality is free from pollution. The water depth is 1.5-2 m, and the area is 0.2-0.3 hectares. After pond clearing, in spring, stock 800-1,500 fish 7-12 cm long per 0.07 hectares.
2. Include 10 carp 20-23 cm long and 10 carp 13-16 cm long to regulate water quality. During the rearing period, keep the water quality fresh, change the water once every 10-15 days (the water change amount is 1/3-1/2), and feed with artificial feed. Channel catfish farming is not difficult; you can buy them to raise.
Channel Catfish Farming Techniques
1. Usually, the spawning temperature range for channel catfish is 21-29°C, and the optimum temperature is 26°C. A water temperature above 30℃ is not conducive to the embryonic development of fertilized eggs and the survival of fry. In the Yangtze River basin, the breeding season for channel catfish is June-July, and the body weight (or age) is greater than the body weight (or age) at the spawning season.
2. During spawning, each fish usually wraps its tail fin around the head of another. The male fish violently vibrates its body and releases semen, while at the same time the female fish begins to spawn. After fertilization, the eggs become sticky, adhere to each other, and attach to the bottom of the pond. In any pond mainly culturing the four major Chinese carps, channel catfish can be polycultured, but it is best to choose a clearer water pond.
Prevention and Control of Channel Catfish Diseases
1. Edwardsiella disease Pathogen: Edwardsiella. Symptoms: initially, affected fish have injuries 3 to 5 mm in diameter on the side of the pectoral fins, with external needle-like wounds that penetrate deep into the muscle. Within 10-15 days, the damaged area gradually expands, and the pathogen frequently invades the blood of diseased fish or infects the kidneys. Diseased adult fish have a foul-smelling gas within the damaged muscle. The death of the fish is clearly related to kidney and liver dysfunction.
2. Columnaris disease Pathogen: Flavobacterium columnare. Symptoms: in the early stage, the head of the diseased fish shows damage, or the fin rays have grayish-white spots and slight congestion. When the symptoms expand, they become grayish-white ulcers. The skin is completely eroded and the muscle is exposed. As the infection deepens, the fish dies.
3. After the fins of infected fish are eroded, the pathogen spreads to other parts of the body. Usually, brown necrotic tissue begins at the ends of the gill filaments and develops to the base of the gill filaments. Fungi can invade these lesion sites as secondary pathogens. Every animal can get diseases, and fish are a food we commonly eat, so prevention is even more important.
After reading the above introduction, I wonder whether everyone has learned how to raise channel catfish? The editor thinks they are quite easy to raise, relatively simple and easy to manage. What do you think? But if you want channel catfish to reproduce and grow, there must be some other methods, and you can spend time learning them. I wonder whether the editor's information has helped everyone.