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How to Regulate Dissolved Oxygen in Fish Ponds? A Full Breakdown of Practical Measures
Regularly add fresh water. Under high-density farming conditions, fish ponds contain more leftover bait and waste, and anaerobic fermentation produces harmful substances such as ammonia nitrogen and hydrogen sulfide, deteriorating the water body. This is especially true in high-temperature seasons, when water quality deteriorates faster. Therefore, regularly adding water is one of the most commonly used and most economical and applicable methods for regulating water quality.
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How to Increase Yield in Crayfish Farming
In recent years, artificial crayfish farming has begun in many regions of China, but yields vary widely, with high yields reaching 400-500 kg per mu and low yields of only a few dozen kg. To improve the survival rate of farming and achieve high quality and high yield, the following main technical measures must be mastered. 1 Rea
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Two-stage farming of snakehead achieves high yields
The snakehead fish, also known as snakehead murrel or black fish, has high economic value, with the current selling price at 15-20 yuan/kg. Using the two-stage method of intensive pond farming for snakehead, we achieve a net income of 0.9-1.2 ten thousand yuan per mu. Snakehead is a fairly common fish in China, and many people like to eat it. The two-stage method
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Key Points of Early Spring Artificial Breeding Technology for Pufferfish
In recent years, the artificial breeding technology of the obscure puffer (Takifugu obscurus) has become increasingly widespread, and its fry production level has also developed rapidly, gradually forming a new type of high-efficiency aquaculture industry. In order to further improve the production technology level, the Baimao Shunlong Fish and Shrimp Nursery in Changshu City, Jiangsu Province
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Prevention and Treatment of Hemorrhagic Disease in Crucian Carp Farming
June to September is the peak period for fish disease onset. In adult fish ponds, hemorrhagic fulminant fish disease in crucian carp often occurs, and it endangers silver carp, bighead carp, and blunt snout bream, bringing heavy losses to farmers. General conventional medication treatment is not very effective. After years of repeated observation and treatment, researchers
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Prevention and Treatment Methods for Gas Bubble Disease in Overwintering Common Carp Aquaculture
June to September is the peak period for fish disease outbreaks. In adult fish ponds, hemorrhagic septicemia of crucian carp (Carassius auratus) frequently occurs and endangers silver carp, bighead carp, and blunt snout bream (Megalobrama amblycephala), causing heavy losses to farmers. Conventional medication generally produces poor therapeutic results. After years of repeated observation and treatment, researchers
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How to Raise Fish and Ducks Together? Practical Farming Experience Shared
Fish-duck polyculture is mutually beneficial and is a new way to increase farmers' income. Ducks moving in the water can eat frogs, tadpoles, aquatic insects and other organisms harmful to fish; fish can make use of duck manure, leftover feed and other waste produced by the ducks, keeping the water clean and the environment good
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Prevention and Treatment Methods for Iridoviral Fish Disease in Pufferfish
Iridoviral fish disease affects many fish during the high water temperature period in the farming of pufferfish juveniles and adults. Through observation of the iridovirus in diseased fish using Giemsa staining, iridoviral fish disease occurs concurrently with botulism and vibriosis, and is a viral disease caused by infection with bacterial and parasitic fish diseases.
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A Detailed Guide to the Prevention and Treatment of Vibriosis in Farmed Pufferfish
[Symptoms of pufferfish vibriosis] The pathogen is Vibrio, with a growth temperature of 101Z-35C and an optimum temperature of around 25C; the growth salinity range is 0.5%-6%, and can even reach 7%, with an optimum salinity of around 1%; the growth pH range is 68, with an optimum of around 8. Diseased fish show gastrointestinal bleeding
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Prevention and Control Methods and Key Technical Points for Fulminant Disease in Cultured Puffer Fish
[Symptoms of fulminant disease in puffer fish]The main symptoms of diseased puffer fish are congestion at the base of each fin and in the fin rays; in severe cases, the fin rays, upper and lower jaws, eyes, and the area from the base of the dorsal fin to the caudal fin all show severe congestion. Sometimes there is bleeding in the orbital cavity and exophthalmos (bulging eyes). In some cases the gills show varying degrees of decay with abundant mucus.
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