I. Effect of continued rain on fish
1. A lot of rainwater is injected into the pond, which can cause a sharp drop in the pH of the pool water and a drastic drop in the water temperature, causing the death of algae and beneficial bacteria in the water body. The pathogenic bacteria may multiply, and a large number of terrestrial bacteria may be brought into the pond.
2. The lack of photosynthesis in water for a long time, the dissolved oxygen in the pool is obviously reduced, and the ammonia nitrogen and hydrogen sulfide are extremely high, which makes it easy for the fish to lack oxygen to float and flood the pool.
3, causing changes in the biological environment of the water body, resulting in deterioration of the water body, causing an outbreak of disease.
4, due to strong winds, heavy rain easily make the fish frightened, causing stress response.
5, in bad weather such as storms, fish consumption of vitamin C is 2.5 times the normal weather, this time the fish is most likely to lack of vitamin C and fish resistance decreased, susceptible to disease.
Second, how to deal with continued rain
1. Strengthen disinfection of clear ponds to prevent outbreaks of fish disease after rain and infection. For a fish pond, 1 mg/L of bleach can be used to disinfect the whole pool.
2, timely use of water quality, bottom modifier improve pond bottom and water quality. The conditions can be used to remove the muddy water in time and replace it with new ones. For the ponds that cannot be changed in time, 7 to 8 kg/mu of water purification agent (polyaluminum chloride) or the bottom of the pool, zeolite powder (25 to 50 kg) can be used. / Ac), quicklime (8 ~ 15 kg / a) the whole pool evenly spilled, intensive aquaculture ponds should be supplemented with beneficial microbial agents.
3, to prevent hypoxia: typhoon, heavy rain, due to the end of the pool up, algae died, met the hot days, especially in the morning, easy to cause hypoxia, prevention should be done, can be equipped with aerobic drugs such as tablets of oxygen, etc. .
4. For ponds with severe stress response in fry pools and fish ponds, the pool water should not be disinfected immediately. The stress response should be eliminated first. During the day, 1 mu of water per acre pond is spilled with 1 kilogram of active black soil + 500 g of probiotics and cool water treasure (beneficial microorganisms) + 250 g of vitamin C; after 11 o'clock in the evening, 500 g of glucose + 200 g of granular oxygen is spilled at a depth of 1 meter per acre pond, etc. Disinfect the pool water after stress response.
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Jilin Province Agricultural Sister-in-law Food Co., Ltd. was establishe in 2012, is a diversified company based on corn food's research and development, production, and sales. Through several years' rapid development and innovation, Nongsao gradually became a modern company of certain scale.
Jilin Province Agricultural Sister-in-law Food Co., Ltd. is located in Gongzhuling City, Jilin Province, one of the three golden corn belts in the world. The corn belt in Jilin Province is well suited for corn growing conditions, and more than 60% of the arable land is suitable for corn growing, so the total corn production and commercial grain rate in Jilin Province has been the first in China. Jilin Province is the main corn producing region in China and the main grain exporting province of the country.
Unlike other regions, Jilin has a cold-temperate humid and semi-humid climate. The frost-free period is short throughout the year, about 130-170 days, and the annual precipitation reaches 400-800. July-September is the peak period of precipitation, which is more suitable.
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