Method for culturing penaeus vannamei in cement pool by means of microecological preparations
A micro-ecological preparation, cement pond technology, applied in application, fish farming, climate change adaptation, etc., can solve the problems of unreachable bacterial count, bacterial death, and inability to achieve, reduce the bait coefficient, improve Growth performance, the effect of increasing the rate of weight gain
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Embodiment 1
[0025] As shown in Figures 1 and 2, this embodiment provides a cement pond for cultivating Penaeus vannamei. Its structure is: a double-stage drainage and sewage device is set in the center of the cement pool, and an inflatable pipe is provided around the bottom of the pool; among them, the double-stage drainage and sewage device includes a drainage device and a sewage device; the drainage device is a drainage inner pipe and a drainage pipe, and the drainage inner pipe is external. There is a drainage casing, and there is a gap between the drainage inner pipe and the drainage casing; the sewage discharge device is a sewage hole, and a bracket is set on one side of the sewage hole, and a pull rope is hung on the bracket, and a sewage ball is tied at one end of the pull rope. Fixed, the size of the drain ball matches the drain hole.
[0026] The side of the cement pool is a 5-meter-long square cut corner, the pool is 1 meter deep, and the water depth is 0.8 meters. Aquaculture ...
Embodiment 2
[0028] The present embodiment is divided into 2 groups: the relay cultivation microecological preparation group (abbreviated as the experimental group) in the cement pool of embodiment 1, and the traditional method added microecological preparation group (abbreviated as the control group) in the general cement pool. 3 repetitions per group. Generally, the cement pool is a central intubation tube, and the four sides of the intubation tube are punched and wrapped with sieve silk. Put 12,000 tails of Penaeus vannamei larvae of 0.6-0.8 cm in each pond. A total of 6 pools were used. (1) First put the lactic acid bacteria solution and EM bacteria solution (purchased from Wuxi Zhongyi Biotechnology Co., Ltd.) into 50L of fresh water at a ratio of 1:10 and 1:15 (volume ratio), respectively, and the concentration of the bacteria is not low. at 3×10 9 CFU / g and 1×10 8 CFU / g, while adding medium A respectively, the formula of medium A is: add 1500g rice bran and 1500g bran (purchased...
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