1, to strengthen the greenhouse fish management. At present, the main breeding grounds for tilapia are tilapia, beard seabream, freshwater whitefish and adult fish. In the cultivation of tilapia, attention should be paid to water temperature maintenance and water quality management to prevent sales problems due to frostbite on the head. Normally chlorine dioxide can be used for water disinfection, and high-protein, full-price pelleted feeds should be used as much as possible. It is relatively easy to breed water beard, and it is easy to do water quality management. Chlorine dioxide is also commonly used to sterilize water bodies. It is worth paying special attention to prevent the occurrence of skin disease. When feeding chicken intestines and other animal waste, you should pay attention to keeping feed ingredients. fresh. The basic principles of breeding freshwater whitefish and raising tilapia are basically the same. The first difference is that the use of organic phosphorus drugs is forbidden; the second is to provide vitamins for freshwater whitefish, and some fresh leaves may be fed in the corner of the water.
2, until the price and Jia. At present, many agricultural and sideline products are gradually returning to a reasonable price. Only the price of freshwater fish is still at a relatively low level. This is mainly a result of the influence of market supply and demand. Of course, with the gradual recovery of the prices of other livestock and poultry products and the advent of the New Year, the price of commercial fish will certainly rise. Farmers with economic strength may not need to rush to sell.
3, do a good job in seedlings. Due to the low winter temperatures and the inability of pathogenic bacteria, fish are not easily injured due to tight scales. Therefore, winter is a good season for fingerlings. But the same is because the temperature and water temperature are low, once the fish body is injured, it is very prone to brucellosis (remember that malachite green is a banned drug), you can put salt water in the water body. In addition, scientific practice has proved that if the grass carp fish species are used at the same time as inoculation of grass carp vaccine, it can greatly reduce the outbreak of grass carp disease in the future.
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