Many people like to eat crabs. Autumn is the best season to eat crabs, and the value of crabs is high. This also makes many farmers breed crabs. If you want to have a high survival rate of crabs, choose Putting in at the right time is very important, so what is the difference between flower crab seedlings and crab seedlings? When is the best time to release crab seedlings? Let’s follow the editor to find out more. Many people like to eat crabs. Autumn is the best season to eat crabs every year, and the value of crabs is high. This also makes many farmers breed crabs. If you want to have a high survival rate of crabs, it is very important to choose the right time to release them. Yes, what is the difference between flower crab seedlings and crab seedlings? When is the best time to release crab seedlings? Let’s follow the editor to find out more.

What is the difference between flower crab seedlings and crab seedlings?

Flower crab generally refers to distant sea swimming crab, and crab is the general term for all crabs.

Crabs are divided into seawater crabs and freshwater crabs. The basic introduction of flower crabs is as follows: Family and genus: Flower crabs are crabs of the order Decapoda, Portunidae, and the genus Portunus. Shape: The width of the cephalothorax of the flower crab is about twice as long as the length. The body is spindle-shaped and has rough particles on the surface. Most of the body color of the male is blue-green with light blue or white mottled spots. The front of the cephalothorax of the female is The upper part is dark green, and the back is mottled with yellowish brown.

When is the best time to release crab seedlings?

1. Crab seedlings can generally be stocked from the end of March to the beginning of April. When the temperature rises in spring, it is best for the water temperature to be above 8°C. This is to increase the survival rate of crabs after they first shed their shells. It is ready for feeding. When stocking, be sure to choose weather with little temperature change, stable climate, and sunny weather. This is to prevent the crab survival rate from being affected and a large number of crab seedlings landing on the day of stocking.

2. In order to reduce the stimulation of crab seedlings by temperature differences, the water level in the pond must be kept at about 80 cm when releasing seedlings. Because crabs are usually on the market in autumn and winter, the seedling release time is usually in late winter or during the summer. In early spring, the temperature difference between day and night is relatively large during this period, and crab seedlings are easily stimulated.

3. When raising crab seedlings, you should choose water quality that is rich in oxygen, has less change, and has relatively stable algae and bacterial phases. This type of water quality can improve the survival rate of crab seedlings and is also beneficial to crabs. The seedlings must adapt to the environment as soon as possible. In addition, pond water with pesticide residues and chemical water cannot be selected.

4. You must choose the correct way to put the crab seedlings into the pond. In order to improve the adaptability of the crab seedlings, you can put the crab seedlings into the pond for 1 to 2 minutes and take them out, and then put them down again after an interval of three to five minutes. , using it two or three times in a row can help the crab seedlings better adapt to the pond water temperature and environment.

The above is an introduction to the difference between flower crabs and crabs and the best time to release crab seedlings. Autumn and winter are the best times to eat crabs every year. There is a lot of crab roe and the meat is tender and delicious. You can try it. try.