CATDOLL : CATDOLL: Rainbow trout is rich in nutrition and has good market prospects. How long is the breeding cycle of rainbow trout?

1. Rainbow trout is rich in nutrients and has good market prospects. How long is the breeding cycle of rainbow trout?

Rainbow trout and Atlantic salmon belong to the same family of salmonids. In some parts of China, they are called "freshwater salmon" and are sold at a market price of about 30 yuan per catty. To raise this kind of fish, the water used must be clear and below 18 degrees Celsius. Wu Gang, head of Sanfeng Ecological Fishery Technology Co., Ltd., recalled his own exploration process. At first, Wu Gang tried to raise funds in Ezhou. The best water temperature for rainbow trout growth is 16 to 18 degrees Celsius. He introduced machinery to extract deep well water and then cool it with a chiller. "I graduated from Huazhong University of Science and Technology with a major in electronics. I have a certain technical foundation for using mechanical equipment to raise fish." According to Wu Gang, although Ezhou has explored some experience in fish farming, the high electricity bills have caused complaints.

In spring, summer and autumn, the water temperature can reach 16℃-18℃ with a slight adjustment. In winter, let nature take its course and let the fish slow down. Moreover, there is a large area of ​​flat land under the reservoir dam, which is suitable for building production workshops and has smooth roads and electricity. Introducing natural water into the reservoir for fish farming requires breaking through two major problems. One is how to save water, and the other is how to ensure the comfort of fish with sufficient dissolved oxygen in the water. In order to save water resources, the base adopts high-density breeding with circulating water. A bucket of 8 cubic meters of water can feed more than 1,000 kilograms of fish. It is estimated that with circulating water breeding, the base's output will reach 1 million catties and the annual water consumption will reach 300,000-400,000 cubic meters. The Huashi Reservoir has a storage capacity of more than 20 million cubic meters and an annual rainfall of 15 million cubic meters. Fish farming will not have a significant impact on the reservoir's water storage.

The base uses mechanical equipment to produce high-purity oxygen and dissolves it in water. The oxygen generator can produce 30 cubic meters of oxygen per hour, which is enough for the base. In the process of overcoming the two major problems, Sanfeng Company paid a high price. When the staff was cleaning the fish tank, the circulating water system stopped running for too long, causing the fish fry to die of lack of oxygen. 2 The oxygen generator suddenly malfunctioned, causing lack of oxygen in the water. It took two hours to replace the damaged parts, and hundreds of pounds of fish died. Two dead fish, each loss is at least tens of thousands of yuan. Wu Gang said that fortunately, by improving operations and strengthening management, the company's probability of making mistakes is decreasing.

Its economic benefits are extremely high. However, there are not many rainbow trout farms in China, and most of the demand depends on imports. The annual demand is as high as more than 100,000 tons, and the output is only about 10,000 tons, which is far from meeting the market demand. The domestic cultural prospects are very broad. In addition, the annual demand in the international market is as high as more than 5 million tons, but the annual output does not exceed 2 million tons, so rainbow trout farming still has certain development prospects in the international market. Because rainbow trout is still relatively rare in the market, the market price will be much more expensive than other fish, generally 35 to 40 yuan per catty. However, the price of rainbow trout varies with location. For example, rainbow trout can be said to be rare in Hunan, and the market price can be sold for 378 yuan per catty. In big cities like Beijing, the price ranges from 33 to 43. Because Xinjiang is relatively remote, it is also around 33 yuan per catty.

Its cycle is about half a year to a year, and its breeding process is very important. You should master certain techniques to cultivate it, and then you can have a good harvest during the breeding cycle.

The growth cycle of rainbow trout is about one year and three months. It is divided into five stages. The first stage is the egg stage, that is, the embryonic development stage, which is generally 30 to 46 days; the second stage is the fry stage, which is 20 days; the third stage is the juvenile stage, which is five months after the fry stage; the fourth stage is the annual fish, which is five months to one year later; the fifth stage is the adult fish stage, which usually refers to 15 months later, when the fish weighing more than 1 catty can be put on the market for sale.

The breeding cycle is about one year and three months. The growth cycle of rainbow trout has five stages and requires very professional breeding technology.

The average cycle is about one year and three months. This is also a normal cycle. Of course, some fish do not conform to this cycle.

2. How much does it cost to farm fish in cages?

A section of water in Yingshang area of ​​Yinghe River is rented for raising silver carp with 500 6X4 floating cages. The investment in the cages is 150,000 yuan. Each box contains 150 1-jin white carp fry. The current market price is 3 yuan per jin.

1. Cage fish farming is a high-density aquaculture, so the cost and profit of cage fish farming are the most concerned issues for the majority of fish farmers. And calculating the cost of fish farming cages is one of the costs of cage fish farming. Therefore, the cost and profit of cage fish farming generally include: the price of cages, the price of fry, the labor cost, the loss of fish farming equipment, the cost of feed, the cost of fish farming drugs, etc.

2. The species that can be raised in cage fish farming generally include: tilapia, yellow eel, loach, eel, black fish, sea bass, rainbow trout, yellow catfish, carp, grass carp, crucian carp, silver carp, bighead carp, whitefish, grouper, black carp, bream, catfish, t fish, sturgeon, pike, dace, live mandarin fish, sweet-scented fish, native catfish, mackerel, mullet, rosy fish, tiger grouper, blue grouper, etc.

What size cages are there? Floating or fixed with piles?

What fish to raise! What size fish

Give you a reference.

I rented a section of water in Yingshang area of ​​Yinghe River with 500 6X4 floating boxes for silver carp

The investment in the cage is 150,000

Each box contains 150 1-jin white lotus fry, and the current market price is 3 yuan per jin

The river lease is 20,000 yuan a year

Hope this helps

How big a net cage is needed to hold 2,000 kilograms of fish?

19 acres of water surface used as floating cages to raise tilapia

3. How much is the price of rainbow trout in Boshanquan River Head, Zibo

Yuanshan Forest Park, Qiaolingqian Cave, Kaiyuan Cave, Ruyue Lake Wetland Scenic Area, Wuyanghu Reservoir, Quanhetou Rainbow Trout Breeding Base, Lianhuashan Amusement Park, Zibo, not far from Boshan, Yuanshan National Forest Park

4. What is the specific price of live rainbow trout in Shaanxi?

Gansu Dunhuang rainbow trout live fish 22 golden trout 25