Cultivation method of selenium-enriched fish
A breeding method and technology for selenium-enriched fish, which are applied in the field of fish breeding to achieve the effects of improving the survival rate, reducing the number of fish sicknesses, and reducing belly-turning or other diseases
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Embodiment 1
[0034]A method for cultivating selenium-enriched fish, comprising the following steps:
[0035] a. Pond treatment: Drain the pond water before putting in fry, and then spread the above materials evenly on the bottom of the pond according to the ratio of 55kg of quicklime, 5kg of tea bran and 0.5kg of Bordeaux mixture per mu. After drying the pond for 5 days, inject clean water to clean the pond , and finally inject water to complete the pond treatment.
[0036] b. Fry management and culture: select good-quality fish fry, put them into the buffer pond for cultivation for 7 days and then put them into the pond for cultivation; the buffer pond water contains the following mass concentration substances: 0.3% salt water, 0.05% multivitamins , 0.08% selenium-enriched yeast and 5% traditional Chinese medicine concentrate, fed with selenium-enriched fish feed, and adequate oxygenation;
[0037] c. Feed feeding: put into the selenium-enriched fish feed of fish weight 3% and the green ...
Embodiment 2
[0044] A method for cultivating selenium-enriched fish, comprising the following steps:
[0045] a. Pond treatment: Drain the pond water before putting in fry, and then spread the above materials evenly on the bottom of the pond according to the ratio of 70kg of quicklime, 15kg of tea bran and 1.2kg of Bordeaux mixture per mu. After drying the pond for 10 days, inject clean water to clean the pond , and finally inject water to complete the pond treatment;
[0046] b. Fry management and breeding: select good-quality fish fry, put them into the buffer pond for cultivation for 15 days and then put them into the pond for cultivation; the buffer pond water contains the following mass concentration substances: 0.9% salt water, 0.2% multivitamins , 0.38% selenium-enriched yeast and 5% traditional Chinese medicine concentrate, fed with selenium-enriched fish feed, and adequate oxygenation;
[0047] c. Feed input: drop into fish weight 6% selenium-enriched fish feed and fish weight 3%...
Embodiment 3
[0054] A method for cultivating selenium-enriched fish, comprising the following steps:
[0055] a. Pond treatment: Drain the pond water before putting in the fish fry, and then spread the above materials evenly on the bottom of the pond according to the ratio of 62.5kg of quicklime, 10kg of tea bran and 0.85kg of Bordeaux mixture per mu. After drying the pond for 7.5 days, inject clean water for cleaning Pond, finally filled with water to complete the pond treatment;
[0056] b. Fry management and breeding: select good-quality fish fry, put them into the buffer pond for cultivation for 11 days and then put them into the pond for cultivation; the buffer pond water contains the following mass concentrations of substances: 0.6% salt water, 0.13% multivitamins , 0.23% selenium-enriched yeast and 3% traditional Chinese medicine concentrate, fed selenium-enriched fish feed, and sufficient oxygen;
[0057] c. Feed input: drop into fish weight 4.5% selenium-enriched fish feed and fi...
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