The bighead carp

The bighead carp is also called bighead carp, fathead carp, baghead carp, bighead carp, black chub, hemp chub, and also called male carp. It is a kind of freshwater fish. It is one of the four major fish in China, and has the nickname of "scavenger in the water".

Chaozhou people say the pine fish is the big head fish. The big head fish is the carp family, bighead carp genus of fish, the body side of the flat head is big and fat, accounting for one-third of the body length, small eyes, small scales, small pectoral fins, the upper part of the body side of gray-black, gray-white abdomen, both sides of the many light yellow and black irregular small spots. It is a pelagic fish, mainly living in the middle and upper layers of the water, and its distribution is very wide, and it is found in freshwater basins in China.

Hypophthalmichthys nobilis culture technology

I, basic conditions

1 origin requirements

Amplex water sources, ventilation around the light, away from the source of pollution, the quality of the water to meet the national fishery quality standards, water and electricity. The water quality meets the national fishery water quality standard, and the water and electricity facilities are complete, and the transportation is convenient.

2 pond requirements

The main bighead carp pond requires an area of more than 5 acres, water depth of about 2 meters, the pond substrate for the clay or loam, silt 10-20 centimeters.3 Oxygenating Facilities: 2 sets of matching oxygenators for each pond to the combination of impeller-type and waterwheel-type of three-dimensional pressurization is good.

Two, pre-preparation

1, the whole pond dredging

Two months before stocking the water will be drained bottom tilling, full oxidative aeration, exposure time should be more than 1 month.

2, pond disinfection

About 30 days before the release of seedlings per mu with quicklime 100kg-150kg, kill germs to improve the substrate.

3, into the water fertilization

To be effective after the drug that is 5-10 days before the release of seedlings, soak 80-100cm, and with the fermented organic fertilizer, bio-fertilizer and other fertilizer, so that the transparency of the water in the pond between the 20-30cm, the water to achieve the "fertilizer, live, tender, crisp The water quality is "fat, alive, tender and cool", and the water color is good with tea brown and yellow-green. Summer can also be used at the same time inorganic fertilizer, ecological fertilizer, bighead carp special fertilizer.

Three, bighead carp stocking

1, the selection of fry

The stocking of the fish fry physical requirements of robust, no injuries and diseases, scales, fins complete, neat specifications.

2, release

Bighead carp species before the pool with 2 ~ 3% of the salt water on the fish body disinfection 2 ~ 5 minutes, in the pool of the fish upwind of the fish species into the pool, can not be piled up, the action of the fish species to be light, fast. The temperature of the water in the container for transporting fish species and the water temperature of the fish pond should not exceed 3℃. Fish species of different sizes should be put into different adult fish pools in batches.