Strengthen the management of greenhouse fish
Strengthen the management of greenhouse fish at present, tilapia, catfish, freshwater Pomfret seedlings and adult fish culture tilapia are mainly farmed in the greenhouse. Attention should be paid to the maintenance of water temperature and water quality management to prevent frostbite in the head from affecting the fish. Chlorine dioxide can be used for water disinfection at ordinary times, and particulate materials with high protein should be selected as far as possible. When breeding bearded catfish, chlorine dioxide can also be used to disinfect the water. It is worth paying special attention to prevent the occurrence of skin rot, and pay attention to keeping the bait fresh when feeding chicken intestines and other animal scraps. The basic principles of cultured freshwater Pomfret and cultured tilapia are basically the same, the difference is that the use of organophosphorus drugs is strictly prohibited, and the second is to provide vitamins for freshwater Pomfret, you can usually feed some fresh vegetable leaves in a corner of the water.
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Processing technology of fresh stewed American red fish fillet
The biological name of American red fish (Sciaenopsocellatus) is Epinephelus ocellatus, belonging to the genus Perciformes. It is a wide-temperature and salty fish with an optimum temperature of 10 ℃ and an optimum temperature of 18-25 ℃. It is reported that it can withstand a low temperature of 2 ℃. It can adapt to a wide range of salinity. It can grow normally in fresh water, brackish water and sea water. It is a carnivorous fish and mainly feeds on shellfish, cephalopods and small fish in natural waters. Artificial feeding can be used with bait. American red fish have fewer diseases and grow fast, it is reported that
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fish six before the flagella/spoironucleus-head perforation
Hexamitasp. Octomitus sp. -and Sprionucleus sp.) Signs of infection Infected fish first lose their appetite, then they darken in color and begin to swim erratically. In particular, cichlids, and sometimes other fish, have small holes in their heads through which parasites protrude like whitish matter and can also be found in fresh excreta. As the disease progresses, the fish becomes thin and the holes become larger as the meat is eaten
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