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Prevention Methods for Tailocyst Disease in Mandarin Fish Aquaculture
Mandarin fish tailocyst disease was widespread in our province last year, causing significant economic losses to farmers. Mandarin fish tailocyst worms parasitize the gills of fish. The cysts are round or tumor-shaped, white, formed by the aggregation of multiple small oval capsules. The sites where the cysts parasitize cause localized
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Control methods for ciliate disease in mandarin fish aquaculture
Ciliate disease in mandarin fish generally occurs from the first day after hatching until the fish reaches a body length of 5-8 cm. When the water temperature is 20°C-27°C, parasites such as Trichodina are often found on the body surface of mandarin fish. Before the fish reaches 3 cm, they are mostly distributed over the entire body and in the oral cavity; after 3 cm, they concentrate in the oral cavity,
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Experience and Methods for Polyculture of Mandarin Fish in Adult Fish Ponds
1. Pond conditions. Adult fish ponds mainly stocked with bottom-feeding fish are generally 5-10 mu in area, while ponds mainly stocked with upper-layer filter-feeding fish are generally 10-20 mu in area, with a water depth of 2-3 m. Pond sediment should be relatively low, and there should be a complete water inlet and drainage system and equipment.
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Methods for the Prevention and Treatment of Hepatobiliary Syndrome in Black Carp Aquaculture
Black carp is one of the four major Chinese carps and a traditional aquaculture fish in our country. Because of its fast growth rate, low feed conversion ratio, tender flesh and delicious taste, it has long been favored by people. In recent years, the farming volume of black carp in Sichuan has gradually increased, but
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Yellow Catfish Cage Culture Methods and Technical Points
The yellow catfish (Pelteobagrus fulvidraco) is a small-sized freshwater fish with tender flesh, few bones and no scales, a delicious taste and rich nutrition. It is deeply favored by farmers and consumers alike, commands a relatively high market price, is a famous and superior fish with high economic value, and is currently the freshwater
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Methods for the Prevention and Control of Glochidiosis in Yellow Catfish Aquaculture
[Cause] The pathogen is the glochidium larva (Glochidium sp.). The fertilized eggs of mussels develop into glochidia in the outer gill cavity of the mother mussel, then leave the parent and float in the water; after contacting the fish body, they parasitize on the fish. The larvae undergo metamorphosis by absorbing nutrients from the fish body and develop into young mussels.
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Methods and Technical Key Points for Polyculture of Yellow Catfish in Ponds
Polyculture of yellow catfish in ponds is also called pond supplementary culture or pond mixed culture of yellow catfish, which can be yellow catfish (Pelteobagrus fulvidraco) or darkbarbel catfish (Pelteobagrus vachelli). Because yellow catfish has strong environmental adaptability, the aquaculture technology for polyculture of yellow catfish is relatively simple. (I) Pond condition requirements According to the
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A Summary of Practical Experience and Methods for Preventing and Treating Diseases in Sea Bass
Sea bass has relatively strong disease resistance and is not prone to illness under natural conditions. However, in artificial high-density farming, because its living environment and space undergo great changes, disease can easily be caused by even a slight lapse in care. Disease prevention must be strengthened, and drug disinfection of farming ponds and feeding platforms must be carried out regularly. If disease is found
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Control Methods and Key Technical Points for Deformed Fruit in Greenhouse Strawberries
(1) Promote full flower bud differentiation. Whether strawberry flower buds differentiate fully is an important factor affecting the yield and quality of greenhouse strawberries. When flower bud differentiation is good, there are more flowers, larger fruit, and fewer deformed fruit. Generally, 2 weeks before planting, root pruning, shading, nitrogen control, and removal of old leaves are started to promote
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Methods of Artificial Nursing for Fawns and Key Points of Deer Farming Techniques
Every year during the production season, some newborn fawns are abandoned by their mothers, or weak fawns cannot get their mother's milk. Artificial nursing is the only way to save these fawns. 1. Location The artificial nursing room for fawns should be spacious and bright, with plenty of sunlight, clean and dry, and insulated (above 15°C), with 1-2 sq m of space per deer and an appropriate exercise area.
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