Breeding method for jointly breeding fingerling in current year in takifugu flavidus commercial fish
A technology for stocking commercial fish and fingerlings, applied in fish farming, application, climate change adaptation, etc., can solve the problems of insufficient use of pond space, difficult to control water quality, low stocking density, etc., to expand water production capacity, easy to accept and promotion, improve the effect of economic benefits
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[0007] The production technical steps include:,
[0008] 1. Stocking of large-sized fingerlings of commercial fish: Generally, when the temperature rises in late March and early April, and the water temperature in the outer pond can be maintained at 14-15 °C, the overwintering fingerlings can be gradually stocked to the outer pond for breeding. , The area of outdoor earthen ponds is generally 3-5 mu, and each pond is equipped with two 1.5kw aerators; before stocking, use 150-200kg / mu of quicklime to clean the pond for disinfection; use disinfectant for 48 hours after water injection, use 60 The purpose is to filter with a sieve mesh. Generally, the water volume is generally 2 / 3 of the water first, which basically reaches the 100cm water line. The water source is natural seawater with a salinity of 5-15; after a week of water injection, commercial fish fingerlings are stocked. There are 2 types of commercial fish fingerlings: 2 Age-old fingerlings, specification is 50-70g / tai...
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