Bottom netting laid culture method for sinonovacula constricta

Abstract

The invention discloses a bottom netting laid culture method for sinonovacula constricta. The method comprises the steps: S1: subjecting a pond to desilting, pond solarization and disinfection prior to culture; S2: dressing the treated pond, so as to obtain a coated surface ready for sinonovacula constricta culture; S3: laying bottom netting on the coated surface, excavating slime from the pond, and covering the bottom netting with the slime, so as to form sinonovacula constricta furrows; S4: disinfecting the pond prior to water fertilizing so as to kill enemy organisms, then, changing water of the pond, applying water and water fertilizing paste to the pond before fry stocking; S5: placing sinonovacula constricta fries on the sinonovacula constricta furrows, which are laid with the bottomnetting, after water fertilizing; S6: keeping an aquatic environment of the pond stable, and carrying out water changing continuously; and S7: catching sinonovacula constricta in a manual excavatingcatching manner after the sinonovacula constricta grows up to an expected size. Through laying the bottom netting at lower parts of the sinonovacula constricta furrows to limit submergence depth of the sinonovacula constricta, the growth speed of the sinonovacula constricta of the same batch can be approached, the increase of efficiency of catching is facilitated, the labor cost of catching is reduced, and the culture benefit of the sinonovacula constricta is improved.

Description

technical field [0001] The invention relates to the technical field of aquaculture systems, in particular to a bottom-laying net culture method for hanging razor clams. Background technique [0002] The razor clam is one of the four traditional cultured shellfish in my country, and it is an excellent variety of shellfish cultured in coastal areas. The cultivation of razor clams has the advantages of low cost, short cycle and high yield. The annual output in the country is about 800,000 tons. [0003] In recent years, the cultivation of razor clams has gradually expanded from Zhejiang and Fujian to Jiangsu, Shandong and other provinces, and the market demand is very strong. However, there are still some problems to be solved in the cultivation and production of razor clams, such as unstable seed supply, low initial catch rate, and high harvesting cost. Under natural growth conditions, the razor clam can dive into the mudflat to a depth of about 60cm. If it dives too deep, i...

AI Technical Summary

Problems solved by technology

Moreover, the razor clams are deeply buried and their shells are thin and fragile, so that mechanical harvesting is basically impossible.

With the reduction of front-line farming labor and skilled workers, the cost of manual catching of razor clams has increased sharply

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