Technology of mixed culture of shrimp and fish
The cultivation of Thai bamboo shoot shell fish in the pond has the advantages of low investment and good benefit. Shrimp ponds should be less silt, mainly raised with shrimp, and marked with thick Thai bamboo shoot shell fish fry. Because Thai bamboo shoot shell fish has good salt tolerance, shrimp fry can be released directly when the salinity is 2 ‰-5 ‰ after 10-15 days in Penaeus vannamei or Macrobrachium rosenbergii culture ponds. 100-200 Thai bamboo shoot shell fish fry are released per mu. The main food is small shrimp fry with slow growth rate. When harvesting shrimp, Thai bamboo shoot shell fish should be disinfected in time. As Thai bamboo shoot shell fish have the habit of drilling mud, they should be carefully caught after dry ponds. Fish fry cultured for 3 months usually reach the specification of 9-10 cm and can be transferred to pond cage culture.
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In the turtle and soft-shelled turtle culture pond, there are often red bugs swimming in the pool surface and corner, so that a layer of red bloom is formed on the water surface. It consists of many planktonic fleas, with an average body length of about one millimeter. The normal body color of Cladocera is grayish white, and it turns red only when the water is anoxic, so red worms are mostly found in stinky gutters.
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Production technology of canned small fish
The reserves of small fish in rivers, rivers, lakes and berths are very huge. According to the traditional processing methods, they are mostly used as feed processing or fresh food. As a feed, resulting in a waste of resources; as a fresh food, affected by the seasons and people's different living habits, the amount of consumption is not large. And making canned goods has great potential and broad market development prospects. 1. Raw material requirements and treatment choose small fish with intact body, normal smell, elastic muscle and good freshness. Squeeze the internal organs of the small fish, rinse fully, do not leave the internal organs, and wash off the small scales as far as possible.
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