Techniques for raising and managing Pelteobagrus fulvidraco

First, clear the pond and disinfect

After 7-10 days of stocking in the pond, dry ponds were disinfected with 150 kg-200 kg / 667 square meters of quicklime to remove the biological and enemy pests of the patients.

2. Feeding and fertilization

The pond is equipped with feed and fertilizer according to the output plan at the beginning of the year, and the feed is mainly composed of sunken pellet formula feed or expanded feed, and adhere to the "Siding" feeding method, specifically as follows: the daily feeding amount of concentrate is 2% of pond fish body weight before May, 4% of fish body weight from May to June, 6% from mid-June to the end of September, daily from 9 am to 10:00 and 4 pm to 5 pm respectively. The fertilizers applied are manure, grass and other organic fertilizers and chemical fertilizers such as ammonium bicarbonate, urea and phosphate fertilizers, and adhere to the "three views" fertilization. organic fertilizers are mainly applied in the low temperature period and chemical fertilizers in the high temperature stage, and the amount of fertilizer application is controlled according to the water quality.

III. Water quality regulation

The pond is often filled with new water, change the water once or twice every 30 days in the high temperature season, and keep the transparency of the pond water 30cm-35cm. In addition, an aerator is installed in each pond, which is often turned on to increase oxygen, increase dissolved oxygen in water, avoid fish floating head or flooding pond, and apply quicklime regularly to improve water quality and adjust pH value.

IV. Prevention and control of fish diseases

Adhere to the policy of giving priority to prevention, hang bags and baskets in the food farm, disinfect feed, water, food fields and tools with drugs, and take methods such as the combination of external and internal drugs to prevent and treat fish diseases as soon as possible.