Prawn aquaculture method
A breeding method and shrimp technology, applied in the field of breeding, can solve the problems of limited resistance of shrimp seedlings, increase of breeding income, inapplicability, etc., and achieve the effect of avoiding clogging
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Embodiment 1
[0039] Embodiment 1 simulation experiment of growing algae
[0040] This embodiment selects temperature, illumination, pH, N / P (nitrogen-phosphorus ratio), Fe 3+ The five influencing factors of concentration were taken as the research objects, and the culture process was optimized by using the orthogonal experiment design, and the best culture conditions were obtained, which provided a theoretical reference for the algae cultivation process of shrimp culture in high-level ponds.
[0041] The algal species were taken from the prawn farm in Zhaoan County, mainly Chlorella, using BG11 medium, and the initial algae density was adjusted to 1.3×10 in a 2000mL Erlenmeyer flask. 6 ind·mL or so, placed in a light incubator for cultivation.
[0042] Five gradients are set for each impact factor, among which 15, 20, 25, 30, and 35°C are selected in combination with the temperature range in Fujian. Light intensity: 3000, 4000, 5000, 6000, 7000Lx. pH: 6.5, 7.0, 7.5, 8.0, 8.5. Based on ...
Embodiment 2
[0051] Embodiment 2 Shrimp culture high level pond
[0052] Please refer to the attached figure 1 to attach Figure 11 , in the present embodiment, a kind of elevated pond for cultivating prawns comprises at least two elevated pond monomers 1 and a drainage well 2, the elevated pond monomer 1 includes a square rounded corner pond body 11, and the square rounded corner pond body 11 is provided with Aeration device 12, and through the aeration device 12, the water body in the square rounded pool body 11 can form a directional vortex to collect the waste at the bottom of the pool to the center of the pool body, and a funnel is provided at the bottom center of the square rounded corner pool body 11 Shaped sieve plate 13, the side wall of funnel-shaped sieve plate 13 is provided with a plurality of filter holes 131 for sewage and drainage, and an opening 132 is provided at the bottom of funnel-shaped sieve plate 13, and an opening 132 that can block the opening 132 is movably conn...
Embodiment 3
[0069] Adopt the high-level pond for culturing prawns in Example 2, before putting seedlings, get 1 high-level pond monomer (1) to grow algae, and fill the algae water after it into all high-level pond monomers (1) as Put the culture water of the seedling stage, and then put the seedling culture.
[0070] Specifically, the conditions for growing algae are temperature 25°C, light 7000Lx, pH 8.5, N / P 10:1, iron ion concentration 500μg·L -1 .
[0071] After the cultivated high-quality algae water is introduced into the shrimp pond, the algae in the pond can absorb the nitrogen and phosphorus produced during the cultivation process, keep the water body stable, and help farmers to better survive the seedling period. However, there are still risks in breeding, and the water quality in the breeding process needs to be monitored to better control the water quality. Considering that the individual farmers who dominate the culture lack the conditions and ability to test the water qual...
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