Method for ecologically regulating and controlling body colour of sea horse in the process of cultivation
A hippocampal and ecological technology, applied in the field of ecological regulation of hippocampal body color, can solve the problem of not paying attention to the ecological regulation of hippocampal body color and body color, and achieve the effect of high survival rate and growth promotion.
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Embodiment 1
[0018] A kind of ecological control method of hippocampus body color in the breeding process, at first build the cement pond with a height of 1.2m, carry out sterilization and disinfection in the cement pond, inject the seawater filtered through 120 mesh screen into the cement pond, the water level of the seawater in the pond is 0.8 ~ 1.0m; the temperature of seawater in the pool is always controlled at 15 ~ 32 °C, and the salinity is always controlled at 15 ~ 35 (weight ‰) (if the temperature is controlled at 26 ~ 30 °C and the salinity is controlled at 20 ~ 30, it is more suitable for the growth of seahorses. Good), after the breeding water body is completed, put the hard algae in the cement pool, and the fresh weight density of the hard algae in the cement pool is 1-2kg / m 3 , and during the seahorse breeding process, the bristle algae always maintain the fresh weight density. When the density exceeds this density, part of the bristle algae should be harvested. About 1 / 3 of t...
Embodiment 2
[0020] An ecological control method for hippocampal body color in the breeding process, which is basically the same as in Example 1, except that sargassum is used instead of hard algae to construct a breeding environment system, and the cultured hippocampus is continuously cultivated for 2 months, and the cultured hippocampus is observed Nearly 60% of them are black, and less than 5% of them are yellow. After about 5 months of breeding, most of them are black seahorses, a small number of individuals are brown, and there are no yellow individuals.
Embodiment 3
[0022] It’s just that there is no breeding environment constructed with macroalgae, that is, cultivating large seahorses in cement ponds without using hard algae or sargassum, and the other culture conditions are the same as in Example 1, and the continuous culture is about 2 months and 5 months, and the culture is observed. The body color of the seahorse is mixed, and the body color of the individual seahorse is about 40% black, 35% brown and 25% yellow.
[0023] The density of one-time stocking in above-mentioned embodiment also can be 150~199 tail / m 3 .
[0024] In the above-mentioned embodiment 1, other green algae such as Ulva, Enteromorpha, etc. can also be used instead of Cleophyte.
[0025] In the above-mentioned embodiment 2, other brown algae such as hijiki etc. can also be used instead of sargassum.
[0026] In the above-mentioned embodiment 1, the hard algae can also be replaced with red algae such as Asparagus, Gracilaria, etc.
[0027] In the above-mentioned e...
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