Industrialization polyculture method of Babylonia areolata, holothuria leucospilota and gracilaria
A technology of Fangban Dongfeng snail and Yuzu sea cucumber is applied in the field of mixed breeding, which can solve the problems of single breeding species, unable to meet production, and easy to pollute the breeding water body and sand layer, so as to reduce the incidence of disease, increase breeding output, and reduce pollution. Effect
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Embodiment 1
[0038]The method for industrialized polyculture of Fangban Dongfeng snails, Yuzu sea cucumbers and Gracilaria provided by this example includes the following steps:
[0039] (1) Breeding water and bottom sand activation before breeding: take water according to general factory culture, after preparing the culture pond, enter the water without crossing the sand surface, put in yuzu sea cucumbers, stocking density 2 fish / m 2 , put Gracilaria, 500g / m 2 , running water for 2 hours a day for aquaculture water and bottom sand activation;
[0040] (2) Strategies for stocking and feeding of Dongfeng snail seedlings: select healthy Dongfeng snail seedlings, stocking density 1000 grains / m 2 ;The bait of Fangban Dongfeng snail is mainly fresh small miscellaneous fish, and the strategy of stopping bait regularly and irregularly; Yuzu sea cucumber does not need to be fed; Gracilaria breeding does not need additional nutrients;
[0041] (3) Environmental control strategy: adjust the light ...
Embodiment 2
[0053] The method for the industrialized polyculture of Fangban Dongfeng snails provided by the present embodiment and Yuzu sea cucumbers and Gracilaria in factory comprises the following steps:
[0054] (1) Breeding water and bottom sand activation before breeding: take water according to general factory culture, after preparing the culture pond, fill in the water without crossing the sand surface, put in yuzu sea cucumbers, stocking density 3 fish / m 2 , put Gracilaria, 500g / m 2 , running water for 3 hours a day for aquaculture water and bottom sand activation;
[0055] (2) Strategies for stocking and feeding of snail seedlings: select healthy snail seedlings and stocking density of 1100 grains / m 2 ;The bait of Fangban Dongfeng snail is mainly fresh small miscellaneous fish, and the strategy of stopping bait regularly and irregularly; Yuzu sea cucumber does not need to be fed; Gracilaria breeding does not need additional nutrients;
[0056] (3) Environmental control strateg...
Embodiment 3
[0068] Implementation location: Fangban Dongfengluo industrial polyculture pilot site is located in Shangen Town, Wanning City, Hainan Province. The annual seawater salinity is not less than 20, the water quality is clear, the tide is smooth, and the seawater is free from pollution; the land-based cement pool is located offshore 300m.
[0069] In early May 2016, the breeding ponds were cleaned and prepared. The breeding pond is a rectangular breeding pond, each pond is 16m 2 , the height of the pool is 60-80cm, a layer of leaky floor is laid on the bottom of the pool, a layer of 60-mesh screen is covered on the bottom plate, and a layer of fine sand with a thickness of 4-5cm and a particle size of 1-2mm is laid on the screen. Every 2m in the pool 2 One air supply pipe is arranged, and the inlet and outlet pipes are arranged before and after the culture pond.
[0070] After entering the water, disinfect it with potassium permanganate for 24 hours, then rinse it with sea water...
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