Method for intensive culture of prawn by utilizing beneficial microbial flocs regulated by composite carbon sources
A technology of microbial flocculation and composite carbon source, which is applied in application, fish farming, climate change adaptation, etc.
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[0023] Use 3 cement pools, each with a length of 20.0m and a width of 2.0m, with a corner treatment, a water depth of one meter, and an effective volume of 39m 3 . Inject sterilized seawater, use tap water to adjust the salinity to about 15 degrees, inoculate biological flocs to a TSS concentration of 100mg / L, and aerate for 3 days. Purchased Penaeus vannamei juveniles without specific pathogens (the salinity has been diluted to 15 degrees), the body length is 0.5-0.6cm, and the stocking density is 1667 fish / m 3 . The feed is Aohua prawn compound feed (shrimp milk powder, shrimp Ankang shrimp seedling treasure, shrimp Ankang No. 1 feed, shrimp Ankang No. 2 feed), and the crude protein content is ≧48%, 44%, 42% and 42%. For the first 45 days of breeding, feed 5 times a day, and the daily feeding rate gradually decreased from 10% to 5%. From the 45th day, feed 4 times a day regularly, and the amount of feeding was controlled to be eaten within 1 hour (after feeding 1 hour Che...
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