Method for promoting mating and oogenesis of freshwater shrimps
A green shrimp and spawning pond technology, which is applied in the field of promoting green shrimp mating and oviposition, can solve the problems of breeding shrimp damage, breeding shrimp mortality, short growth period, and low female egg holding capacity, etc.
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[0021] The technical solutions of the present invention will be described in detail below through specific examples.
[0022] The method of the present invention mainly comprises the steps of collecting and temporarily cultivating the seedling shrimp, cultivating the parents in autumn and winter, cultivating the parents in spring, raising the temperature of the freshwater shrimp to promote ripening, and hatching the freshwater shrimp with eggs, specifically as follows:
[0023] 1. Green shrimp seed collection and temporary breeding: At the beginning of October every year, start fishing and purchase backup broodstock. Choose broodstock with a body length of more than 5cm, complete limbs, smooth body surface, lively and strong broodstock. The male to female ratio is 2:1 to 3: 1 stocked in a holding pond. The area of the temporary pond is 3-5 mu, the water depth is 1.5-2.0 meters, a 0.5-1.0-meter-wide and 0.5-meter-deep shrimp ditch is excavated in the middle of the pond, and a...
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