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AgriSearch: Humanizing the Content about Raising Golden Finned Fish

Choosing the Parent Fish for Raising Golden Finned Fish

The golden finned fish, a species of fish with a beautiful body and shimmering gold fins, is becoming a major breeding target in freshwater and brackish water ponds. Developing the farming of golden finned fish in coastal areas can exploit the potential of water bodies, diversify export products, create employment opportunities, and increase income for people living in coastal areas.

There are many benefits to developing the model of raising golden finned fish, and it’s not difficult to understand why this model has grown so rapidly. To learn more about the techniques involved in raising golden finned fish, let’s explore the article by AgriSearch today.

Choosing the Parent Fish

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Criteria for choosing parent fish for breeding

To successfully breed golden finned fish, it is important to choose healthy parent fish. The male and female fish should be at least 2 years old and weigh between 2 to 3kg. They should be free from any injuries or wounds and have normal coloration.

When selecting parent fish from natural sources, ensure they are healthy, have normal coloration, and are not injured or diseased. The ratio of male to female fish should be 1:1 for breeding purposes.

Location and Environment for Breeding Parent Fish

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Choosing the appropriate breeding location

For breeding, the parent fish should be raised in a 1000 square meter earthen pond with a water depth of 1.5m and a substrate of sandy soil. The pond’s bottom should have a layer of mud about 10 to 15 cm thick. Two weeks before spawning, the parent golden finned fish should be transferred to a cement tank with a volume of 80 to 100m3 and a depth of 1.5 to 1.8m.

The breeding environment should have an average temperature of 24 to 28°C, a pH level of 7.5 to 8.5, an oxygen level above 4mg/L, and a salinity of 26 to 30‰.

Density of Breeding Parent Fish

The recommended density for breeding parent fish is 10 to 15 kg/100m2 in ponds and 1 to 2 kg/m3 in cement tanks. The ratio of male to female fish should be 1:1.

Care and Management Guidelines

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Caring and managing the parent fish during breeding

The main breeding period for golden finned fish is from February to April.

The parent fish should be fed fresh mixed food or commercial fish feed with a protein content of 35 to 40% and a fat content of 10 to 12%. The feeding rate should be around 3 to 4% of the fish’s body weight, and feeding should be done once a day at 8 AM.

Prevention and Treatment of Diseases in Golden Finned Fish

Diseases Caused by Bacteria

The diseases in golden finned fish are usually caused by bacteria such as Vibrio sp or Vibrio anguillarum.

The symptoms of bacterial infection in golden finned fish include loss of appetite, swollen abdomen, undigested food in the digestive tract, slow swimming, change in coloration to dark gray, and scattered deaths of fish.

The preventive measures for bacterial infections include improving the environmental conditions in the breeding area and ensuring a clean and pollution-free environment.

During feeding, it is recommended to supplement Vitamin C to enhance the fish’s immune system. Water should be changed, and 3 to 5g of Tetracycline antibiotic should be mixed into the feed continuously for 3 days, with a daily replacement of 50% of the water.

The antibiotic treatment should be conducted for 5 consecutive days, feeding the fish once in the morning. After 5 days, the scattered deaths of fish should cease, and the fish should resume normal activities.

Diseases Caused by Parasites

The diseases in golden finned fish caused by parasites are usually attributed to Cryptocaryon. Cryptocaryon is a dangerous parasite that can cause mass mortality in fish farms. The parasite has a pear-like shape, measures 0.5mm, and has a fuzzy layer on its surface.

The signs of parasitic infections in golden finned fish include white spots on the fish’s skin and the appearance of cloudy spots on the fish’s body. The fish may rub against hard objects while swimming.

The consequences of parasitic infections include respiratory distress and secondary infections, which can lead to high fish mortality if left untreated.

The preventive and treatment measure involves using CuSO4 to bathe the fish at a concentration of 0.5ppm, combined with freshwater, for 5 to 10 minutes. Alternatively, formalin can be used at a dosage of 100ppm for bathing the fish in a quarantine tank for 5 to 10 minutes.

Harvesting Golden Finned Fish

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Harvesting high-quality batches of golden finned fish

Harvesting of golden finned fish is done using soft nylon nets with mesh sizes of 8 or 10mm. A scoop net and a bucket filled with water are used to catch and contain the fish. During the harvesting process, care should be taken to avoid any mechanical damage to the fish’s body.

The breeding period lasts for 25 to 27 days, and the fish reach a size of 2 to 3cm.

Raising golden finned fish requires a deep understanding of various techniques. To ensure a successful model and achieve high-quality results, don’t forget to refer to the articles provided by AgriSearch. We will guide you from A to Z in the techniques of raising golden finned fish. Wishing you success!

See more: Techniques for raising white finned fish, a delicacy in Quang Ninh coastal area

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Frequently Asked Questions:

1. What is the main benefit of developing the golden fin fish farming model?
– The development of the golden fin fish farming model can exploit the potential of water resources, diversify export goods, create employment opportunities, and increase income for coastal residents.

2. What are the criteria for selecting parent fish for the golden fin fish farming model?
– The parent fish should be healthy, without any injuries or wounds, and should be 2-3kg in weight.

3. What are the suitable locations and environmental conditions for raising and breeding parent fish?
– The golden fin fish parent fish should be raised in ponds with a water depth of 1.5m, containing sand at the bottom. The breeding environment should have a temperature of 24-28°C, pH levels between 7.5-8.5, oxygen levels above 4mg/l, and salinity levels of 26-30‰.

4. What is the recommended stocking density for the golden fin fish farming model?
– The stocking density for parent fish is 10-15kg/100m2 in ponds and 1-2kg/m3 in cement tanks, with a male-to-female ratio of 1:1.

5. How should the care and management of parent fish be done in the golden fin fish farming model?
– The golden fin fish should be fed with fresh seafood or commercial marine fish feed, containing 35-40% protein and 10-12% lipid. The fish should be fed 3-4% of their body weight per day. It is recommended to feed the fish once a day at 8 am.

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