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Common Spring Disease Prevention and Treatment Techniques for Freshwater Fish
In spring, water temperature begins to rise, and various bacteria and parasites that can cause disease in fish begin to multiply in large numbers. At the same time, after going through the wintering period, fish are weak in constitution and relatively poor in resistance to disease-causing factors, making them prone to infection by various diseases, causing massive deaths of pond fish and bringing relatively large losses to farmers.
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How to Raise Paddlefish? A Detailed Guide to Scientific Aquaculture Techniques
Perhaps not many people eat paddlefish, but anyone who has tried it will fall in love with its taste. Its flesh is extremely delicious and has few small bones, making it especially suitable for children and the elderly to eat. However, the price of paddlefish is much higher than that of ordinary fish.
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How to Raise Crayfish? A Complete Guide to Breeding Techniques and Methods
Techniques for Breeding Crayfish: Choosing a Pond. The water source should be fresh, well-oxygenated and free of pollution. Loamy clay is preferable, with pond embankments more than 3 m wide, a slope of 1:2.5, a water depth of 0.8-1.5 m, and a pH of 7.5-8.5. The pond area should not be too large; generally 3-8 mu is suitable,
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Key Technical Points for Fish Rearing and Management in Winter
First, take advantage of the great opportunity of the Double Festival to sell fish that have reached marketable size as early as possible, so as to recover funds. If the aquatic product market has supply exceeding demand and prices are truly sluggish, fish can be held and temporarily kept in ponds to avoid the peak sales period. However, in the sale of marketable fish
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What to do when fish farming profits are low? Polyculture of fish and soft-shelled turtles helps you increase returns
Benefit analysis of fish-turtle polyculture. In ponds with imitation-ecological turtle farming, the pond turtles have a good growing environment, the water quality is pollution-free, and they are fed processed grass carp, common carp and other fish, which are nutritious and highly palatable. One month after young turtles are put into the pond, they feed well, and their body color gradually becomes similar to that of wild turtles.
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Pond Stocking Methods and Technical Key Points for Yellow Catfish
Yellow catfish (scientific name: Pelteobagrus fulvidraco), a fish of the family Bagridae, genus Pelteobagrus. Body length about 20cm, ventral surface flat and straight, posterior half of body laterally compressed, caudal peduncle relatively slender. Head large and flat, snout short, rounded and blunt, upper and lower jaws slightly equal in length, mouth large, inferior, with villiform tooth bands on both cheeks and palatine bones.
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Seven Common Diseases of Catfish and Their Prevention and Treatment Methods
Catfish, same as sheatfish. There are many species, commonly including catfish (native catfish), big-mouth catfish, walking catfish (pond catfish), and Clarias gariepinus (Egyptian walking catfish), known as "slide brother fish" in Hakka. Catfish, kingdom Animalia - phylum Chordata - subphylum Vertebrata - class Actinopterygii - order Siluriformes - family Siluridae - genus Silurus - catfish species
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What are the precautions for mandarin fish farming in autumn
As autumn approaches, mandarin fish farmers should pay attention, so what are the precautions for farming mandarin fish in autumn? Below we introduce them for you. Improving pond water quality As autumn arrives, the feed intake of mandarin fish increases, and more waste is produced every day, which easily leads to excessive levels of harmful substances such as ammonia nitrogen and nitrite in the water. Therefore, the water should be changed frequently, once every 7 days, with each water change of about 20 cm.
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Prevention and Treatment of Guppy Diseases
Friends who keep guppies have always had a great confusion, that is, their beloved fish always frequently develop lesions. Usually, few sick guppies can be treated and fully recover; even if cured, their ornamental value is greatly reduced. Therefore, we must do a good job of prevention in this regard. Common guppy diseases include: 1) pin tail, 2) white spot disease "also known as ichthyophthiriasis", 3) fin and tail rot, 4) saprolegniasis "also called white cotton disease", 5) bacterial enteritis, 6) white head and white mouth disease, 7) dropsy, 8) skin congestion and ulceration. So let us take a look at these diseases.
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Various Standards and Management Points for Australian Freshwater Crayfish Farming
The Australian freshwater crayfish is one of the more precious kinds of shrimp, one of the world's more valuable shrimp at present. It mainly grows in Australia, so farming it is not as simple as farming crayfish. Precisely because its price is relatively high, the farming cost of the Australian freshwater crayfish is also much higher.
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