Mixed-culture method for macrobrachium nipponense and pseudorasbora parva
A breeding method and the technology of wheat ear fish, which are applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of wasting water and feed, and achieve the effects of increasing production, reducing small miscellaneous fish, and promoting mutual swimming
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Embodiment 1
[0022] A kind of cultivation method of freshwater prawn and wheat ear carp mixed culture, comprises the following steps:
[0023] 1) Choose a pond with sufficient water source and no silt. The depth of the pond is 1.2m. Set up an insulation shed above the pond, and set up 0.6m high anti-escape facilities around it. Set up 3 water inlets and outlets in the pond, and set up a 40-mesh filter at the inlet and outlet. Drain the water in the pond, remove the natural enemies of fish and shrimp, expose to the sun for 3 days, and obtain an empty pond.
[0024] 2) Pond disinfection treatment: put into 0.7m deep water in the vacant pond that step 1) obtains and drop quicklime disinfection and plant reeds after, the coverage area of reeds accounts for 50% of pond area, hang decomposed microbial organic fertilizer on the pond edge, Place a shelter, adjust the water temperature, dissolved oxygen and pH value of the pond to obtain a cultivation pond; the water temperature of the pond is 25...
Embodiment 2
[0030] A kind of cultivation method of freshwater prawn and wheat ear carp mixed culture, comprises the following steps:
[0031] 1) Choose a pond with sufficient water source and no silt. The depth of the pond is 1m. Set up an insulation shed above the pond, and set up 0.7m high anti-escape facilities around it. Set up 4 water inlets and outlets in the pond. Dry the water in the pond, remove the natural enemies of fish and shrimp, expose to the sun for 5 days, and obtain an empty pond;
[0032] 2) Pond disinfection treatment: put 0.5m deep water into the vacant pond obtained in step 1), put in quicklime for disinfection, and plant reeds and Elodea, whose coverage area accounts for 55% of the pond area, hang and decompose Microbial organic fertilizer, place shelter, adjust the water temperature, dissolved oxygen and pH value of the pond to obtain a cultivation pond; the water temperature of the pond is 20°C, the dissolved oxygen content is 10mg / L, and the pH value is 6.5, and ...
Embodiment 3
[0038] A kind of cultivation method of freshwater prawn and wheat ear carp mixed culture, comprises the following steps:
[0039] 1) Choose a pond with sufficient water source and no silt. The depth of the pond is 1.5m. Set up an insulation shed above the pond, and set up 0.5m high escape prevention facilities around it. Set up 4 water inlets and outlets in the pond, and set up a 50-mesh filter screen at the inlet and outlet. Drain the water in the pond, remove the natural enemies of fish and shrimp, expose to the sun for 4 days, and obtain an empty pond;
[0040] 2) Pond disinfection treatment: put 1m deep water into the vacant pond obtained in step 1), put in quicklime for disinfection and then plant water hyacinth and Elodea. Microbial organic fertilizer, place shelter, adjust the water temperature, dissolved oxygen and pH value of the pond to obtain a cultivation pond; the water temperature of the pond is 30°C, the dissolved oxygen content is 8mg / L, and the pH value is 7.5...
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