Fish culture technology has certain general requirements. Friends who want to raise fish in the countryside and have no experience can refer to the following points.

1, water quality conditions

Does not need industrial and pesticide pollution and fresh water quality; No odor, no odor, no obvious oil film foam, sufficient water, no less than 5mg/L dissolved oxygen in water, and the applicable water temperature is more than 6 months a year; The water temperature is generally 20 ~ 30℃, not less than 65438 05℃. If the water is too cold, you can add an oven in front of the water tank to raise the temperature. The pH value of water should be neutral or slightly alkaline to prevent muddy water from entering the swimming pool after heavy rain.

2. The location of the fish pond

Generally, it should be built in the leeward direction, with gullies on both sides, under the reservoir dam, in front of the village and behind the village, and the bottom of the pool is fine sand. Material, natural water level gap should be greater than 2 m..

3. Fish pond structure

There is no strict requirement on the shape of the pond. Pool area 10 ~ 40m2, height 1.5 ~ 2m and depth 0.8 ~1m. The entrance and exit of each fish pond should be independent and controlled by fishing rods to prevent leakage. The water flows evenly and circulates to the four corners, forming a detention area of fish manure and grass residue in the center for fishing.

4. Scattered fish species

At present, most grass carp have fast growth, wide feeding habits, strong disease resistance, short breeding cycle, rich nutrition and high economic value. There are other excellent fish species, which can be selected through relevant books or expert advice.

5. Speed and flow

Generally, the flow rate should be controlled at 0.3-0.6m/s. If the flow rate and flow rate are too large, it is easy to consume physical strength, and if the fish is too small, it is easy to die of lack of oxygen. The flow rate varies with the seasonal temperature. Generally, the water flow is slow, and the pool water is changed 1 ~ 3 times a day. In summer, the rapids change water 3-5 times a day. In autumn, the water flow is slow, and the pool water is changed 2-3 times a day. Micro current in winter. The water in the swimming pool should be changed every 1 or 2 days.

6. Artificial feeding

Twice a day. Feeding time should be from 8: 00 am to 9: 00 am and 3: 00 pm every day. Fresh and delicate pollution-free green feed can also be supplemented by compound feed, which should meet the quality requirements. The daily feed (green feed) is 30%-50% of the fish's weight, and the compound feed is 4%-6% of the fish's weight. It is best to finish feeding within 30 to 40 minutes.

7, check the record

Check the pond once a day to observe the water quality, temperature change, water flow and fish activities. Especially after stocking for a period of time, it is necessary to find and remove sick fish in time. Each aquaculture pond and pond should establish aquaculture records, including stocking, feeding, medication, water temperature records and pond inspection and observation records.

8. Please do the following:

(1) Prevention of hypoxia: Clean up the sundries at the entrance in time to prevent blockage and keep the water flowing smoothly. Regularly remove fish manure and residual food in the pond, keep fresh water and prevent hypoxia.

(2) Escape prevention: regularly check whether the import and export fish gates are damaged and do a good job in flood control.

(3) Prevention and treatment of fish diseases: according to the principle of "prevention first, environment-oriented, prevention first and early treatment".

The above is the general experience sharing about fish farming, and I hope it will help everyone.