A breeding method for resistance to high ammonia nitrogen and growth traits of Penaeus japonicus breeding population
A growth trait, high ammonia nitrogen technology, applied in the application, climate change adaptation, fish farming and other directions, can solve problems such as the promotion of unfavorable farming, farming failure, weakening the respiratory function and blood oxygen-carrying capacity of shrimp, etc., and is conducive to farming. The effect of promotion, improving survival rate and growth rate, improving ammonia nitrogen tolerance and growth advantage
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[0030] The present invention will be further described in detail through specific embodiments below.
[0031] The embodiment of the present invention provides a method for breeding resistance to high ammonia nitrogen and growth traits of Penaeus japonicus breeding population, which includes the following steps:
[0032] (1) Introduction of broodstock: collect 1000 wild populations of Penaeus japonicus, and distribute them to four rearing pools for cultivation, with 250 tails in each pool, and use nutrients to promote the gonad maturation of shrimp. The rearing pool can be 5m×5m ×1.2m specifications. In this embodiment, 1000 shrimps and four rearing ponds are selected. In specific applications, the number of shrimps and the selection of the rearing ponds can be determined according to actual conditions.
[0033] (2) Family establishment: remove the unilateral eye stalk after the parent shrimps are mature and stable, select the brood shrimps with full and continuous gonads and ...
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