Culture prospect and benefit of turbot fish

The turbot is native to the Euro-Atlantic waters and is recognized as one of the high-quality flounder in the world. if it is cultured artificially, its growth period will be obviously shortened, and under suitable conditions, it can reach about 500 million grams that year, with the advantages of adapting to low water temperature, fast growth, good meat quality and great market potential. let's take a look at the breeding prospects and benefits of turbot.

The prospect of culture of turbot fish

Duobao fish was introduced into China in 1992 and has become an important breeding species along the coast of northern China. It grows rapidly. It takes only 10 to 12 months from spawning and hatching to the development of commercial fish for sale (0.8 kg / kg). It benefited from the investment in that year, and it has the advantages of high economic value, high food conversion rate, strong disease resistance, low oxygen consumption and suitable for high-density culture.

The female grows faster than the male, and the body length of the female is obviously larger than that of the male. When the male reaches sexual maturity, the length of the male can reach 20-25.5 cm, and the female can reach 30-35.6 cm.

Culture conditions of turbot fish

Turbot fish belongs to Nordic cold water fish, which has strict requirements on temperature and other sea water indicators. The highest lethal temperature is 28: 30 ℃, the lowest lethal temperature is 1: 2 ℃, the highest growth temperature is 21: 27 ℃, the lowest growth temperature is 7: 8 ℃, the optimum growth temperature is 14: 17 ℃, the highest temperature tolerance is 40 ‰ and the lowest is 12 ‰.

In the natural sea area, the turbot has the ability to ambush and prey. The larvae mainly feed on crustaceans and gradually feed on all kinds of fish as they grow up. The prey usually includes spotted mullet, striped mullet, white mullet and grass shrimp. Under the condition of artificial culture, high-energy pellet formula feed was mainly fed after domestication.

The benefit of culturing turbot fish

1. Pond culture: 500 ~ 800 fish can be released per mu, and the survival rate is 80%. After 6 months to 12 months, the average value is 0.5kg ~ 0.8kg per tail, and the income per mu is 60,000 ~ 100000 yuan.

2. Pond cage culture: each 3m × 3m × 1.5m cage is stocked with a survival rate of 80%, reaching an average of 0.5kg ~ 0.7kg per tail after 6 months to 12 months, with an income of 8000 ~ 20,000 yuan.

3. Cage culture in the sea area: 300 to 400 cages of 3 meters × 3 meters × 3.5 meters are stocked, with a survival rate of 80%. The average amount of each tail reaches 0.5 kg to 0.7 kg after 6 months to 12 months, with an income of 20,000 yuan to 40,000 yuan.

4. Industrial greenhouse culture: 20 animals per square meter, with a survival rate of 80%. After 6 months to 12 months, it reaches 0.5kg to 0.8kg per tail, with an income of 1600 yuan per square meter to 2500 yuan per square meter.