Conditions for puffer fish culture can puffer fish be raised with fresh water?
Pufferfish must be familiar to everyone, because it is one of the most famous three delicacies. Its meat is particularly tender and delicious, which is deeply loved and sought after by everyone. As people love puffer fish more and more, many people have begun to breed puffer fish for sale, so do you know what conditions are required for breeding puffer fish? Can it be raised with fresh water?
Puffer fish culture conditions
Aquaculture area requires clean water with rich dissolved oxygen, no red tide, no pollutants and sewage inflow. The optimum water temperature is 16-23℃. When the water temperature is lower than 9℃ or higher than 28℃, it is unfavorable for its growth.
At present, puffer fish culture in Japan is mainly cage culture. Polyethylene cages were used from juvenile to 1 year old fish in the first year. When the body weight reached 300g or more, it was transferred to a metal cage with a mesh of 4 cm and raised until it was sold on the market. The cage size of puffer fish culture in China is 3×3×5m, which is mostly found in the south coast, and most of them are pond culture in the north, with an area ranging from thousands to tens of thousands of m2 and a pond depth of 2- 2.5 m. In addition to monoculture, polyculture has also been carried out in recent years. In Zhejiang Province, polyculture of Oriental dolphin and prawn was successfully carried out in soil ponds at Shenjiamen in 1992 -93.
Can puffer fish be raised with fresh water?
Puffer fish is a migratory fish, belonging to freshwater fish, so it can also be raised with freshwater.
Generally young juvenile puffer fish is gray, mature will become pink, and as one of the three delicacies of the Yangtze River in China delicious, common in the lower reaches of the Yangtze River, but eating has toxic, so in Jiangyin area of the ancients have "desperate to eat puffer fish" saying, so if you want to taste the flavor of puffer fish, it is best to professional chefs after technical operation of toxins, in order to eat safely.
Puffer fish culture management
1, before the seedlings to select the same specifications, healthy and lively seedlings, at the same time to understand the management status of seedlings and whether there are abnormal seedlings.
2. Before stocking seedlings, a medicated bath must be carried out to prevent parasites and other diseases from invading.
3. Large containers should be used as much as possible during seedling transfer and transportation to avoid injury to fish fry.
The best way to prevent residual feeding is to produce and use healthy seedlings. Healthy seedlings showed swarm activity in cage and culture pond, and residual flood dragon phenomenon was not easy to occur in such a state.
5, usually in May to November to sort twice, when changing the net, it is best to let the old and new two nets connected together, so that the fish naturally transferred to avoid fish scratches.
6. It is best to process chilled bait with ice, try to keep the freshness of bait and prevent protein deterioration.
7. Fresh food should be fed from early morning to improve the enthusiasm of fry to ingest food.
How does a puffer overwinter?
The fish fry weighing 3~ 4g are put in the cage from June to July, and can reach about 400g by the end of December, and can reach more than 1000g by the end of the second year. At this time, they can be harvested and marketed. The best listing specification of red fin oriental dolphin is 1kg, and the highest price is the highest. In order to achieve a better breeding effect, the weight of the fish should reach more than 350 grams. Before December, the water temperature is suitable for growth, so feed enough food. During the winter, when the fish can still feed, it is necessary to ensure that a small amount of feeding is possible to prevent weight loss and ensure stable survival rate. After overwintering, it begins to resume normal growth from April.
Can puffer fish be kept as pets?
It is possible, but it is not recommended to mix with other fish.
Generally, puffer fish individuals 200-300 mm, individual can grow to 900 mm, and if you cultivate yourself, you need to pay attention to the environmental climate change and other related issues.
As mentioned above, at present, breeding puffer fish is not a particularly common breeding project at present. On the contrary, there are relatively few people breeding puffer fish. At the same time, the nutritional value of puffer fish is extremely high and the taste is delicious. It can be said that the breeding prospect is very broad!
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