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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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Prevention and Control Methods and Technical Key Points for Feather-Pecking Disorder in Captive Hwamei Birds
The so-called hwamei feather-pecking disorder refers to a small number of hwamei birds during ordinary keeping that, due to various causes, bite off their own tail feathers, wing feathers, back feathers and so on, one by one (sometimes called self-biting disease), so that the tail feathers are sometimes pulled until they are bare and sparse, curled
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Key Technical Points for Nursing Summer-Fingerlings of Freshwater Pompano
Freshwater pompano fry reared for about 20 days, with a body length of about 3 cm, are called summer-fingerling fish. The key nursing techniques at this stage are as follows: 1. Pond selection. The pond should have abundant water sources, good water quality free of pollution, good light, and convenient water intake and drainage, with a length-to-width ratio of 3:
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Key Technical Points for Pond Culture of Freshwater Pompano
The freshwater pompano is a large economically important fish of tropical and subtropical regions, valued both as food and as an ornamental fish. It has the advantages of omnivorous feeding habits, fast growth, large individual size and few diseases. In pond culture it generally lives in the middle and lower layers of the water body, and its tolerance to low oxygen is stronger than that of ordinary fish, with dissolved oxygen required to be above 3
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Key Technical Points and Experience Sharing on Rotational Culture of Mandarin Fish and Freshwater Shrimp
Mandarin fish and freshwater shrimp are both currently popular species on the market, with large demand, high prices and high farming returns. Implementing rotational culture of mandarin fish and freshwater shrimp in ponds can maximize the use of the pond's idle period, fully utilize the water body and feed resources, increase output, and substantially raise pond
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Detailed Explanation of Key Technical Points for Mandarin Fish Pond Aquaculture
As people's living standards continue to rise, wild salmon falls far short of meeting market demand, so healthy salmon aquaculture has good development prospects. Mandarin fish is also called mandarin fish, jihua fish, etc. It belongs to the order Perciformes, genus Siniperca, and is widely distributed. In all major river
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Detailed Explanation of Key Technical Points for Raising Mandarin Fish in Ponds
(1) Selection of breeding conditions: Choose a pond with abundant water source, convenient water filling and drainage, and excellent water quality, with a pond area generally of 2~3 mu and a water depth of 1.5~2 m. (2) Preparation before stocking: ① Disinfect the pond. ② After clearing the main breeding pond, apply decomposed base
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Key Technical Points for Two-Stage Cage Culture of Mandarin Fish
I. Cage Structure and Setup 1. First-stage cage (breeding cage). Made of knotless netting, mesh size 0.5-1.0 cm, dimensions 10 m x 1.3 m x 1.5 m, quantity 3. 2. Second-stage cage (grow-out cage). Mesh size 1.5-2 cm, small-volume cages 3 units, dimensions 2 m x 2 m x 1.8 m; con
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Key Technical Points for Monoculture of Mandarin Fish in Ponds
Mandarin fish, also known as osmanthus fish, has a lower yield per unit area compared with ordinary domestic fish, but its output value is high. In recent years, it has been highly favored by the vast number of farmers and has become a hotspot in the culture of famous, special and superior fish. The key technical points for monoculture of mandarin fish in ponds are as follows. 1. Pond conditions. Choose
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How to do cage culture of mandarin fish? Detailed explanation of key technical points
Mandarin fish, also known as the Chinese perch, is one of the valuable freshwater fish species. Cage culture of mandarin fish has the advantages of occupying less water surface, low investment, short culture cycle, high yield and good economic returns. The cage culture techniques for mandarin fish are introduced below. Water area selection: The water area where cages are set up requires
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