The cultivation technology of monopterus eel
Eel, also called eel, is a kind of fish that lives in fresh water. It's very nutrient-rich and not very environmentally demanding. In the south, monopterus eel is a popular aquatic product. The farming technology of monopterus eel has been popularized and promoted in recent years. With the intervention of circulating aquaculture system, monopterus eel can be cultivated in high density, out of season and even factory farming.
Monopterus eels like to grow in water with low flow and sufficient dissolved oxygen. Prefers stillness to motion. Feed on all kinds of small animals in the water. Like some water plants for shelter. If disturbed by humans or other animals, they will go into their burrows and stop eating. And the eel has a characteristic, is hermaphrodite. At the beginning of the eel's growth. All eel are female. the
The second year. Some female eel have hormone changes in their bodies. Gradually transitioning to male. At present, artificial breeding of monopterus eel has been carried out in China and good results have been achieved.One characteristic of the eel is that once there is a sick and dead eel nearby, then within a certain range, all the eel will stop eating. It has to do with their extraordinary sense of smell. We should pay attention to the index of water quality in the process of breeding monopterus eel. Make proper water transfers. In particular, the dissolved oxygen in water should not be less than 5PPM to ensure the growth rate of monopterus eel. oftenPatrol the pond, once found dead eel should be immediately out.
At present, the most widely used eel farming technology is to set up a cage in a pond, and to raise eel and plant water hyacinth at the same time. Feed was carried in small boats. In each cage of water hyacinth, cut out a small piece of "square" as a platform. Each feed. Put the feed on the feed table. Eel has a very sensitive sense of smell and will immediately follow the taste of feed Scramble for food.
Plant water plants. The small cage as an independent unit. The length and width cannot be too large. Water hyacinth as the main shelter. Usually the eel hides under the water hyacinth. It will increase his sense of security. At the same time, water hyacinth and other water plants have developed roots. It can absorb some of the waste produced by the eel, such as ammonia nitrogen and nitrite. The water plant acts as a biological filter Function. And the water hyacinth can block the sun. Avoid excessive warming of water. But there is also a disadvantage: the cage and water hyacinth can prevent the smooth flow of water in a small area. Therefore, in the cage culture, we should use the oxygenator to oxygenate the whole pond. Only by maintaining the microflow of water can the water body with high dissolved oxygen be fully exchanged with the water body with low dissolved oxygen. High soluble oxygenIt is the basic guarantee of high density and high efficiency of aquaculture.
The market price of eel is usually highest at the end of the lunar year. Therefore, it is very important for the finished eel to survive the low temperature in winter. Some people have already used a canvas pool with water gRASs to help the eel winter. Sell in the peak season before the Spring Festival. It can greatly improve the overall profit of monopterus eel breeding. For specific breeding techniques, you can follow Lanling's wechat public number Know in detail.
