After a long wintering period (ie, hibernation), the jaundice is basically depleted of nutrients in its body. When spring arrives and the temperature rises, when the water temperature stabilizes at more than 10 degrees Celsius, the jaundice begins to lick and eat, which consumes a great deal of physical energy. Astragalus is weak in constitution and its disease resistance is not strong, and it is easy to cause death. “The season of the year is springâ€, the quality of the spring management is good, and it directly affects the annual aquaculture production. (1) Cleaning the Huangpi in the Dianchi Lake During the wintering period, the Dianchi Lake should not change the water. During this period, the entire Dianchi Lake environment is very messy. In terms of the upcoming Dianchi Lake environment, there is a huge amount of serious pollution and potential traps (especially soilless rearing ponds). Before the Astragalus eats, Dianchi Lake should be cleaned up to eliminate some hidden dangers. Yes: Dianchi pool water bottom dry, remove all rotten plants, impurities, weeds, remove some excess sludge, clean up mud trench, muddy, and make a suitable drying pool, change the sun into the pool clean Water and sterilize with 20PPM quicklime solution. The water leakage phenomenon should be repaired in time to see if there is any damage to the drainage pipe, whether the pool wall is pedaling or not. (2) Clean up the environment Clean up and clean the mud, waste, weeds, tree leaves and farm passages in the environment outside the pool, rinse them with water, and dredge them into the drainage pipes. After cleaning and rectification, use 15% of lime. Lime solution was made to disinfect the entire site and the site was clean and fresh. (3) Cleaning the reservoir The reservoir is a function of storing, fertilizing, and regulating water quality, and it is also the first way to spread germs. Therefore, strict cleaning and disinfection of the reservoir is an indispensable part. Before using water, if using earthen ponds as water storage tanks, drain pool water, clean up sludge, remove contaminated weeds, etc., disinfect with 50ppm concentration of quicklime solution, and then treat it in the sun bath for about one week, then inject fresh water. . In the pool where the cement pool is used for impounding, the sediment at the bottom of the pool should be cleaned, and the pond moss should be cleaned to check if the inlet and outlet pipes are damaged or blocked. If any problems are found and resolved in time, disinfect the bottle. (4) Disinfection of tools The tools used by Huang Huan, such as feed machinery, feeding pots, barrels, food sets, washing appliances, and net bags, must be thoroughly sterilized before use. Potassium manganate solution soaked or spray disinfection. (5) Water quality management In spring, the temperature rises, all things recover, and the bacteria in the water also multiply. At this time, the management of Dianchi Lake water quality should be done. It is best to select the water treated by the reservoir and use a filter at the inlet to filter out some harmful organisms. The change of water in the spring should be carried out at noon. The water temperature is high and live at noon. The optimum conditions for the survival of the yellow peony is to disinfect the pool water every half-month. (6) The food intake of Astragalus is based on the temperature of the water. The temperature for eating is 15-30 degrees Celsius, and the best water temperature is 20-28 degrees. Spring water temperature is not high, eating is not large, then a small amount of investment should be, then eat for the degree, there is no end to the bait to be cleared in time, often cleaning the bait station, so as not to pollute the water quality. In order to better allow the Astragalus to enter the normal diet, it is better to invest in some of the active foods such as alfalfa, river eel, snail, fly maggot, and tenebrio that are preferred by the eel. (7) Prevention of disease The spring water temperature is moderate, and the most suitable bacteria are breeding. In the spring, raising jaundice requires not only the above several tasks, but also regular disinfection of the pool water in Dianchi Lake. Generally, it is disinfected with 10PPM lime solution every half month. . eel bait feeding often change with new water injection, so that policies and governance of heavy anti-: Liuchun Jun author website:
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