July crab management techniques

Entering the high temperature period in July, the pond aquaculture environment has undergone great changes. Attention should be paid to the control of water quality, feed feeding, disease, escape prevention, and prevention of hostile pests. Now we will guide the management techniques of July crab cultivation as follows: :

1. Strengthen water quality regulation

Maintain transparency at 40 cm, PH value 7.5-8.5, water level control at 1-1.2 meters, once every 10-15 days with a biological agent Quanchiposa, to keep the water fresh.

2, strengthen grass management

For the floating aquatic plants to be removed, the plants are razed to remove the insects and leave some space for activities. The remedial measures should be taken promptly for the early crab grass ponds with severe water damage, and the plants such as peanuts should be properly transplanted.

3, strengthen the bait feed

Feeding mainly on plants, sticking to the principles of four orders and four observations, the timely removal of residual foods that have not been eaten, and the prevention of damage to water quality.

4, strengthen the patrol pond

Adhere to 1-3 times a day tour ponds, mainly observed crab shells, feeding, activity growth, and found that the situation immediately to take measures to resolve.

5, disease prevention

External use of chlorine dioxide Quanchiposa, sterilization, oral administration of vitamin C, vitamin E, allicin, etc., 5-7 days for a course of treatment, enhance crab constitution, improve crab immunity.

6, do a good job of preventing fleeing and preventing enemy enemies

In July, it was a season of thunderstorms and strong winds. It was necessary to pay attention to flight prevention, diligently check the escape prevention facilities, and do a good job of preventing enemy predators. Water snakes, water mice, and frogs were the main causes of death and death of crab shells and prompt removal of predators. To ensure healthy growth of crabs.

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