Gully farming techniques

Variety Profile: Gully, scientific name of the channel catfish, also known as the United States? Fish. Native to the Mississippi River in the United States, it is a large freshwater carp, with a maximum of 70 pounds or more. The introduction of our country in the mid-1980s has been successful. Our production practice has proven that the gully has the advantages of high food intake, rapid growth, and high yields. It is easy to catch, easy to raise, and has strong disease resistance and wide adaptability. It is worth promoting the cultivation. Gully individual is large, with high meat content, rich protein and vitamin content, delicate meat, delicious taste, and also has prolactin and nourishing functions. It is popular among consumers in the United States, Canada, and many other countries. Processed finished and semi-finished products are Western Europe, Japan and other places are more popular.

Basic characteristics: Gully is a warm-water fish, the survival temperature range is 0-38 °C, the water temperature starts above 5 °C, the optimum growth temperature is 20-34 °C. Gully inhabits the bottom layer of water and likes to live in river bottoms with pebbles and rocks. It is more docile, has habits of colony, adapts strongly to environmental changes, and can normally live at a dissolved oxygen level of 2.5 mg/L or more. . Gully is omnivorous fish, bulimia, hi group food, and likes to eat in dim and light conditions, easy domestication feeding artificial compound feed. The growth rate is close to grass carp. Grooves have strong adaptability. They can be single-cultured, they can be mixed with other fish, and they can also be used for intensification of cages and small-scale domestic water aquaculture, of which pond culture is more common. General ponds can be cultured in ravines, with 15-20 cm in length and 800-1200 tails of fish weighing 30-40 g. They can be planted throughout the year. Breeding, per acre can produce adult fish gills 1000-1200 kg. Note that the gills are fish without scales, and the dosage should be strictly controlled when using drugs.





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