Matters needing attention in eel culture

Eel is a special kind of fish living in sea water, and its market demand is great, but at present, the artificial culture technology of eel is not perfect, so there has been no obvious change in eel culture scale and eel production. so what problems do we need to pay attention to in the current process of eel culture? Let's take a look at it with the editor.

1. Seed selection

Because the price of eel is also relatively expensive, we should be particularly confident when choosing fish fry and try our best to fundamentally reduce the cost of fish fry. High-quality fry is the basic condition for successful culture. In general, we will choose neat, plump, smooth body surface, dark blue back color and white belly color, no disease damage, more active and eat more robust eel fry, so that the survival rate of culture can be greatly guaranteed.

2. Water quality

Eel culture has a very high demand for water quality, so the management of water quality is a place that needs to be paid great attention in the process of eel culture. usually, we will use cages near Haikou for culture, in which the temperature of the water should be kept between 8 degrees and 30 degrees. The speed of ocean current should not be too fast, the specific gravity of sea water should be about 1.01 to 1.02, and an appropriate amount of oxygen enhancer should be added at the same time. Or use chemicals to regulate water quality.

3. Density

The density of eel culture is also a point that we should pay attention to, because there are differences in the density of different eel species, and at the same time, the stocking density is also related to the size of the eel. Generally, young eels can put 150 eels per square meter, while black eels are generally about 500 eels per square meter. Secondly, after raising for a period of time, we also need to carry out box-by-box management according to the growth and strength of the eel, which is conducive to the growth and reproduction of the eel.

4. Disinfection

The disinfection of eel culture mainly has three aspects: first, we need to disinfect the eel fry before the eel is released, and secondly, we need to disinfect the farm before and after stocking. Finally, we also need to change the cage from time to time, and disinfect the cage, so as to ensure the healthy growth of the eel.

5. Feeding

What we should pay attention to when feeding is that there is a fixed time to feed, generally speaking, it needs to be fed twice a day, because the eel is a creature that likes dark and afraid of light, so the feeding time is about five o'clock in the morning and eight o'clock in the evening, because the winter is cold and the water temperature is low, so the eel will eat less. Usually it only needs to be fed around eight o'clock every evening. Secondly, we should pay attention to feeding in a fixed place, otherwise the eel can not be found, and then we have to ensure the quality of private chat, and finally, the amount of feed raised should also be fixed, mainly according to the species and size of the eel.

6. Management

What the management needs to pay attention to is that the water quality in the culture area needs to be tested every day, and the second is to always pay attention to the changes in meteorology and water temperature, and it is best to record them, and to prepare timely and best precautions when there are signs of change. then it is necessary to observe the appropriate amount and growth of eels, and deal with them in time if there is any difference between them. Finally, it is necessary to prepare for prevention of diseases and insect pests. At the same time, an appropriate amount of antibiotics can be mixed into the diet to enhance the physique of eel, so as to achieve a characteristic of resistance to diseases and insect pests.