Multi-variety ecological polyculture method for colossma brachypomum
A multi-species and ecological technology, applied in fish farming, application, climate change adaptation, etc., can solve the problems of easy deterioration of water quality, low economic benefits, low feed utilization rate, etc.
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[0029] Below in conjunction with specific embodiment, further illustrate the present invention.
[0030] A method for multi-species ecological polyculture of giant fat carp, comprising the following steps:
[0031] (1) Disinfect clear pond
[0032] The pond covers an area of 8 mu, runs east-west, and the bottom is clay. Drain the pond water 12 days before releasing the seedlings, freeze and dry for several days, level the bottom of the pond, remove excess silt on the surface (leave 10cm), and disinfect with quicklime 90kg / mu to kill pathogenic bacteria.
[0033] (2) Seed stocking
[0034] In mid-to-late May, when the water temperature is stable above 20°C, put in juvenile carp fry with a stocking specification of 10-12 fish / kg and a stocking density of 2,000 fish / mu; stocking specifications for silver carp and bighead carp are 6-10 fish / kg, the stocking density is 200 fish / mu, and the seedling ratio of silver carp and bighead carp is about 3:2; the stocking specification...
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