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Method suitable for hybridization of different geographical populations of escargots

A field snail and population technology, applied in the application, climate change adaptation, fertilizer mixture, etc., can solve the problems of thinness, intolerant of transportation, poor taste and taste, etc., to improve the efficiency of breeding and keep the water fresh and clean.

Active Publication Date: 2019-05-03
GUANGXI ACADEMY OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, so far there are few reports on the hybridization of different geographical populations of snails. Because the shell texture and meat quality of different geographical populations of snails are different, each has its own characteristics. Excellent, delicious taste; although the snail shells produced in low-altitude plains are thicker and transportable, their taste and taste are often not as good as those produced in high-altitude mountainous areas. research value

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A method applicable to crossbreeding of different geographical populations of escargot mainly comprises the following steps:

[0023] (1) Cage preparation: In early April 2018, the rice fields or ponds were first divided into isolated breeding areas, female snail breeding areas, male snail breeding areas, and paired hybrid areas. The above-mentioned areas were isolated from each other, and then 35-mesh plastic Nets or metal nets are used to make cages, and the cages are immersed in paddy fields or ponds. The open end of the cages is 5cm higher than the water surface, and then rice straw is placed on the bottom of the cages as a fixing matrix, and the distribution density is 1 cluster / ㎡. Then introduce 8 parts of benthic algae and 2 parts of small benthic animals to the fixed substrate by weight, and according to the amount of 5kg / mu to the paddy field or paddy field of the isolated breeding area, the female snail breeding area, the male snail breeding area and the matchi...

Embodiment 2

[0028] A method applicable to crossbreeding of different geographical populations of escargot mainly comprises the following steps:

[0029] (1) Cage preparation: In mid-April 2018, the rice fields or ponds were first divided into isolated breeding areas, female snail breeding areas, male snail breeding areas, and paired hybrid areas. The above-mentioned areas were isolated from each other, and then 40-mesh plastic was selected Nets or metal nets are used to make cages, and the cages are immersed in paddy fields or ponds. The open end of the cages is 6cm higher than the water surface, and then sugarcane top leaves are placed on the bottom of the cages as a fixing matrix, and the distribution density is 1 cluster / ㎡ , then introduce 8 parts of benthic algae and 2 parts of microbenthic animals to the fixed substrate by weight, and according to the amount of 5kg / mu to the paddy field of the isolated feeding area, the female snail feeding area, the male snail feeding area and the ma...

Embodiment 3

[0034] A method applicable to crossbreeding of different geographical populations of escargot mainly comprises the following steps:

[0035] (1) Cage preparation: In late April 2018, the rice fields or ponds were first divided into isolated breeding areas, female snail breeding areas, male snail breeding areas and paired hybrid areas. The above-mentioned areas were isolated from each other, and then 30-mesh plastic was selected. Nets or metal nets are used to make cages, and the cages are immersed in paddy fields or ponds. The open end of the cages is 4cm above the water surface, and then the mixture of rice straw and sugarcane tips and leaves is placed on the bottom of the cages as a fixed matrix. 1 cluster / ㎡, then introduce 8 parts of benthic algae and 2 parts of small benthic animals to the fixed substrate by weight, and spread them to the isolated breeding area, female snail breeding area, male snail breeding area and Biological fertilizer is applied to rice fields or pond...

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PUM

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Abstract

The invention discloses a method suitable for hybridization of different geographical populations of escargots. The method mainly includes the steps of net cage preparation, isolated breeding, reserveparent selecting, pairing hybridization and the like. According to the method, the escargots with different geographical populations, different genders and different hybrid varieties are isolated indifferent net cages to be bred, the breeding water temperature and the dissolved oxygen amount are independently controlled within a proper range according to the respective growth characteristics ofthe escargots, the growth requirements of the escargots with different varieties are met, thus, hybridization of different geographical populations of the escargots can be accurately established, thesteps are simple, operation and popularization are easy, meanwhile, demersal bait biological films suitable for escargot breeding are cultured, high-nutrition bait can be provided for the escargots, and environmental pollution cannot be caused.

Description

technical field [0001] The invention belongs to the technical field of aquatic product cultivation, and in particular relates to a method suitable for hybridization of different geographical populations of escargots. Background technique [0002] Escargot generally refers to molluscs of the family Snailidae, belonging to the phylum Gastropoda Probranchiae Snailidae, which is distributed in most parts of China. River snails like to live in waters where the winter is warm and the summer is cool, the bottom is soft, the bait is rich, and the water is fresh. They especially like to gather in places with micro-flowing water. Escargot has a variety of food habits, mainly eating tender stems and leaves of aquatic plants, organic debris, etc. Escargot likes to be active and feed at night, and the optimum temperature for growth is 20-27°C. The nutritional value of snails is very high. Every 100 grams of snail meat contains 18.2 grams of protein and 0.6 grams of fat. It also contains...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/51C05G1/00
CPCY02A40/81
Inventor 邓潜林勇杜雪松黄姻覃俊奇陈忠郭丹
Owner GUANGXI ACADEMY OF FISHERY SCI
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