Breeding techniques for hybrid crickets
To breed hybrids, we must first master the seed production techniques. Hybrids can be spawned either naturally or spawned manually. Any hybrid cricket production must use excellent purebred as the parent. The area of ​​the pro-fish pond is suitable for 1 to 3 mu, the water depth is 1.5 to 2.5 meters, and the mu stocking is 100 to 105 kg. A small amount of carp, carp, grass carp, carp, etc. can also be raised. Female and male fish should be bred in separate ponds, or they should be first mixed and raised one month before spawning. The water temperature can be propagated at 16°C to 18°C, and breeding methods and seedling breeding of hybrid quail are basically the same as those of common bream. The method is:
Adult pond culture. In the case of polyculture, the summer flowers are mainly stocked in the same year, and there are also spring-fin fish species. Generally, the stocking rate per mu is 50 to 100, or about 10% of the total stocking.
Cage culture. The standard for stocking hybrids is 30 to 100 grams per tail and 5 to 10 kilograms per square meter. About 756 tails of Jianye summer flowers are stocked for about 3 grams per square meter, and after 4 months of cultivation, they are fed with pellet feed. The feed coefficient is 1.39, the survival rate is 73%, and 56 kg of hybrid quail eggs per square meter can be produced. The maximum per square meter Produce 66 kg of hybrid oysters.
Rice field farming. If cultivated hybrid carp species, 10,000 to 15,000 summer flowers can be planted in acres and 5,000 to 8,000 fish species can be produced per mu. If the fish is raised, 500 to 1,000 tails of large-size hybrid mullet species can be stocked, and 100 to 200 kg of adult fish can be produced per mu.
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