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Method for cultivating Hemifusus tuba with net cage in hanging way

A breeding method and technology of snails, which are applied in the field of hanging and raising snails in cages, can solve problems such as cannibalism, and achieve the effects of improving the living environment, increasing the survival rate and growth speed

Inactive Publication Date: 2011-08-10
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an effective method for cultivating pipe snails, aiming at the problem that the living environment of pipe angle snails is easily polluted by its own excrement and residual bait, and the phenomenon of cannibalism occurs. Net cage hanging method

Method used

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  • Method for cultivating Hemifusus tuba with net cage in hanging way
  • Method for cultivating Hemifusus tuba with net cage in hanging way
  • Method for cultivating Hemifusus tuba with net cage in hanging way

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Embodiment 1

[0027] Embodiment 1: Utilize diameter specification to be 45cm, single-layer cage type, the culture cage of cage mesh size 0.5cm carries out tube angle snail suspension culture. The culture cage is fixedly tied on the floating rope of the cultured shrimp pond, the floating rope is 60m long from east to west, and the water depth of the pond is 1.5m. Breeding cages were placed in a water layer at a depth of 0.7m, and the distance between cages was 0.2m. Ten snail seedlings with an average shell height of 30 mm and an average body weight of 2 g were placed in each cage. During the period of hanging snails, feed fresh oysters with shells once every 10 days. Before each feeding, remove the empty oyster shells and dirt, clean up the attached organisms inside and outside the cage, and then put in a sufficient amount of fresh oysters with shells . Usually, the cages are cleaned once every time they are fed to prevent the attached algae from clogging the mesh, and the cages will not ...

Embodiment 2

[0028] Embodiment 2: Utilize diameter specification to be 48cm, single-layer cage type, the culture cage of cage size 1cm carries out tube angle snail suspension culture. The culture cage is fixedly tied on the floating rope of the cultured shrimp pond, the floating rope is 65m long from east to west, and the water depth of the pond is 1.8m. Breeding cages were placed in a water layer with a depth of 1m, and the distance between cages was 0.5m. 20 snail seedlings with an average shell height of 34 mm and an average body weight of 2.5 g were placed in each cage. During the period of hanging snails, feed fresh oysters with shells once every 10 days. Before each feeding, remove the empty oyster shells and dirt, clean up the attached organisms inside and outside the cage, and then put in a sufficient amount of fresh oysters with shells . Usually, the cages are cleaned once every time they are fed to prevent the attached algae from clogging the mesh, and the cages will not be inv...

Embodiment 3

[0029] Embodiment 3: Utilize diameter specification to be 50cm, single-layer cage type, the culture cage of cage mesh size 1.5cm carries out tube angle snail suspension culture. The breeding cage is fixedly tied on the floating rod of the cultured shrimp pond, the floating rod is 70m long from east to west, and the depth of the pond water is 2m. Breeding cages were placed in a water layer at a depth of 1.4m, and the distance between cages was 1m. 50 snail seedlings with an average shell height of 40 mm and an average body weight of 3 g were placed in each cage. During the period of hanging snails, feed fresh oysters with shells once every 10 days. Before each feeding, remove the empty oyster shells and dirt, clean up the attached organisms inside and outside the cage, and then put in a sufficient amount of fresh oysters with shells . Usually, the cages are cleaned once every time they are fed to prevent the attached algae from clogging the mesh, and the cages will not be inv...

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Abstract

The invention relates to a method for cultivating Hemifusus tuba with a net cage in a hanging way. In the method, a single-layer cage-shaped cultivating cage tool consisting of a cage plate (1) with the diameter of 45-50cm and a polyethylene net (2) with the mesh size of 0.5-1.5cm is used for cultivating young Hemifusus tuba with the average height of 30-40mm and the average weight of 2-3g in a hanging way and 10-15 young Hemifusus tuba are cultivated in each cage. The method comprises the following steps of: filling the young Hemifusus tuba in the cultivating cage tool; hanging in a hanging pond at a water layer with the depth of 0.7-1.4m, wherein the distance between every two adjacent cages is 0.2-1m; feeding the Hemifusus tuba with fresh oyster with shell every 10 days; cleaning the net cage before feeding, cultivating until harvesting time of the Hemifusus tuba. The method disclosed by the invention improves the living environment of the Hemifusus tuba to the maximum extent and reduces the diseases caused by the pollution such as residues, wastes and the like, and reduces the cannibalism phenomenon, thereby effectively improving the survival rate and the growth speed of the Hemifusus tuba; simultaneously, the method can reduce the feeding quantity, the feeding time and the labor intensity.

Description

technical field [0001] The invention belongs to the technical field of marine aquaculture, and relates to a method for artificially cultivating shellfish, in particular to a method for hoisting and cultivating shellfish in cages. Background technique [0002] Hemifusus tuba (Gmelin), commonly known as "horned snail, ring snail", is a bottom-dwelling carnivorous shellfish that lives in soft mud and silt in shallow water with a depth of 11-42m in the subtidal zone. It is distributed from the south of Zhejiang Province. It is more common in the coastal areas south of Guangdong and Guangxi. It is a relatively large economic gastropod in shallow seas. The adult shell height is 12-20cm (about 150-300g), and the maximum shell height is 30cm (weight is more than 500g). Yellow-brown or light-brown fine and short hairy shell skin, its meat is delicious, nutritious, and expensive. It is a rare seafood and is loved by people. It is an edible shellfish with high economic value. It sells ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 潘英
Owner GUANGXI UNIV
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