Method and facility for cultivating parents of Sillago sihama indoors on large scale via prawn cultivation wastewater
A technology for breeding wastewater and polysquamous scorpion, which is applied in fish farming, application, climate change adaptation and other directions to achieve the effect of improving the survival rate of cultivation, the quality of fertilized eggs, and promoting growth.
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Embodiment 1
[0015] Embodiment 1 adopts the following steps to realize the present invention:
[0016] 1. Method
[0017] 1. Facilities selection: Select 2 outdoor prawn breeding cement ponds at the Donghai Island Marine Biology Research Base of Guangdong Ocean University, with an area of 0.07 hm 2 , and equipped with a sewage system and an aeration system, the aeration system is a turbo aerator; 50m 3 There are 3 outdoor aquaculture wastewater degradation pools; the cement pool is located in the indoor controllable light broodstock breeding workshop.
[0018] 2. Shrimp farming:
[0019] (1) After the water in the outdoor prawn breeding cement pond is drained, sterilize it with 1200kg of quicklime per hectare. After 5 days, after the toxicity has passed, pump the filtered seawater into the pond to make the water level reach 1.5m; apply urea 75kg / hm 2 , superphosphate 7.5kg / hm 2 Carry out the cultivation of basic bait organisms;
[0020] (2) When a large amount of basic bait grows in...
Embodiment 2
[0026] 1. Method
[0027] 1. Selection of cultivation facilities: Select 2 outdoor prawn breeding cement ponds at the Donghai Island Marine Biological Research Base of Guangdong Ocean University, with an area of 0.1 hm 2 , and equipped with a sewage system and an aeration system, the aeration system is a turbo aerator; 50m 3 4 outdoor aquaculture wastewater degradation pools; indoor controllable light broodstock breeding workshop.
[0028] 2. Shrimp farming:
[0029] (1) After the water in the outdoor prawn breeding cement pool is drained, disinfect it with 600kg of bleaching powder per hectare. After 3 days, after the toxicity has passed, take the filtered seawater and put it into the pool to make the water level reach 1.8m; apply 90kg / hm of urea 2 , superphosphate 9.0kg / hm 2 ;
[0030] (2) When a large amount of basic bait grows in the water body, the pool water is yellow-green, the water quality transparency is 25-35cm, the pH value is adjusted to 8.5, and 180,000 pra...
Embodiment 3
[0036] 1. Method
[0037] 1. Selection of cultivation facilities: Select 3 outdoor prawn breeding cement ponds at the Donghai Island Marine Biology Research Base of Guangdong Ocean University, with an area of 0.13 hm 2 , and equipped with a sewage system and an aeration system, the aeration system is a turbo aerator; 50m 3 2 outdoor aquaculture wastewater degradation pools; indoor controllable light broodstock breeding workshop.
[0038] 2. Shrimp farming:
[0039] (1) After the water in the outdoor prawn breeding cement pond is drained, sterilize it with 1200kg quicklime per hectare. After 4 days, after the toxicity has passed, pump the filtered seawater into the pond to make the water level reach 1.5m; apply urea 120kg / hm 2 , superphosphate 12kg / hm 2 ;
[0040] (4) When a large amount of basic bait grows in the water body, the pool water is yellow-green, the water quality transparency is 25-35cm, the pH value is adjusted to 7.5, and 200,000 prawn larvae with a size of ...
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