Triangular carp, scientific name carp, it is an economical high-quality freshwater fish, the fish head body is tall and thick, the meat is delicate, taste is smooth and delicious. In 1988, related technical personnel of the South China Normal University Department of Biology and Color Research Department introduced it into Nanshui Reservoir of the Ruyuan County, Guangdong Province, and solved the technical problems of artificial propagation, seedling production, pond culture, and reservoir transplant proliferation. . The research on the introduction, domestication, artificial propagation and breeding techniques of the catfish has been identified by experts from the Guangdong Provincial Science and Technology Commission. This achievement has also won the first prize of Guangdong Provincial Department of Fisheries Science and Technology in 1999 and the scientific and technological progress in Guangdong Province. Awards.
Living habits: Triterpenes are omnivorous fishes, and they particularly like to eat freshwater shell vegetables, but their food-like plasticity is also very large. From low-level unicellular algae to higher vertebrate promoters can be used as food. Triangular oysters live in the middle layer of water and require higher water quality. Fresh water quality and high dissolved oxygen are necessary conditions for their lives.
Reservoir transplantation and proliferation: Nanshui Reservoir has been successful in transplanting trigeminal ridges, and has achieved very good social and economic benefits and ecological benefits. Many large and medium-sized reservoirs have the conditions for transplanting trigeminal ridges. The transplantation of triterpenoids not only does not cause water pollution (transplantation and proliferation at controlled scales and restricts aquaculture), but it also can be used as a water quality monitoring fish because of its high requirements on water quality, and it has received good ecological benefits.
Large and medium-sized reservoirs have the advantages of small investment and large profits because they can form natural populations in the reservoir area. Therefore, they can achieve long-term benefits by investing for a long time. Nanshui Reservoir is a typical successful example and the direct input of the transplantation process. Only 100,000 yuan, but as of the end of 1998 the direct economic benefits have reached more than 300 million, this increase in efficiency will continue to increase over time.
Ponds and cage culture: In addition to the proliferation of large surface waters, the trifoliate is also a good pond and cage culture species. In the case of polyculture of ponds, without increasing the cost of feed, etc., a 30- to 40-kilogram (30-40 kilograms) large-sized fish species can be added per acre (100 mu of large-scale mixed-cultivated fish species); the overall benefits of pond main breeding and cage culture are slightly better. Group head lice and Guangdong oysters are ideal breeding targets for oysters.
At present, the market price of carp is stable, and it has been maintained at more than RMB 24 per kilogram. The aquaculture benefits are considerable, especially for the new breeds of freshwater aquaculture farmers who are more suitable to choose in the current sluggish aquatic market.
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