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Aquaculture method for improving meat quality of freshwater crayfishes

The technology of a freshwater crayfish and a culture method is applied in the field of improving the quality of freshwater crayfish meat, and can solve the problems of poor taste and low quality of crayfish meat, achieve rich variety of raw materials, high nutritional value, and reduce morbidity and mortality. Effect

Inactive Publication Date: 2016-03-16
袁生咬
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] Freshwater crayfish, also known as crayfish, scientific name Procambarus clarkii, originated in the United States, and spread to Nanjing in my country in the 1920s and 1930s. Because of its delicious meat, it is more and more popular among people and has a broad Therefore, many people now raise crayfish artificially. However, most growers only pursue production and use a lot of pesticides, hormones and other substances in the breeding process, resulting in poor taste and low quality of the cultured crayfish. The phenomenon

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0027] A breeding method for improving the meat quality of freshwater crayfish includes the following steps:

[0028] (1) Preparation of breeding pond: Choose a breeding pond with an area of ​​4 mu, the depth of the pond is 1.5m, the slope of the pond wall is 60~65°, the width of the pond is 1.8m, the height of the pond is 0.8m, and the inner wall is smooth. A cross-shaped mud ridge is set in the center of the pond, and the mud ridge width is 1.2m. There are water inlets and water outlets at both ends of the breeding pond, and anti-escape nets are provided at the water inlets and water outlets;

[0029] (2) Pre-breeding treatment: remove the silt at the bottom of the breeding pond and spray with quicklime to disinfect. At the same time, after 3 days of exposure to the breeding pond, apply the decomposed manure at an amount of 400 kg per mu, and finally put pebbles on the bottom of the pond with a height of 3 5cm is suitable. Tree roots and bamboo tubes are placed around the pool, a...

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Abstract

The invention discloses an aquaculture method for improving the meat quality of freshwater crayfishes. The aquaculture method includes the following steps of: (1) preparation of an aquaculture pond; (2) treatment before aquaculture; (3) water culture; (4) aquatic plant planting; (5) shrimp seed stocking; and (6) daily management. According to the aquaculture method, the growth speed and the quality of the freshwater crayfishes can be ensured through reasonable control of a growth environment and a raising manner of the freshwater crayfishes; the meat quality of the crayfishes is fresh, tasty, and chewy, and has slight herbal incense through specially-produced special forage; and the aquaculture method is safe and environment-friendly, and the crayfishes are free of harmful elements such as pesticides, and is high in nutritive value.

Description

Technical field [0001] The invention belongs to the field of breeding, and specifically relates to a breeding method for improving the meat quality of freshwater crayfish. Background technique [0002] Freshwater crayfish, also known as crayfish, scientific name Procambarus clarkii, is native to the United States and spread to Nanjing in my country in the 1920s and 1930s. Because of its delicious meat, it is more and more popular with people. Market prospects, so many people are now starting to raise crayfish in captivity, but at present, most growers are only pursuing production, and a large amount of pesticides, hormones and other substances are used in the breeding process, resulting in poor taste and low quality of the cultured crayfish. The phenomenon. Summary of the invention [0003] In order to solve the above-mentioned problems, the present invention provides a breeding method for improving the meat quality of freshwater crayfish, and the bred crayfish has the characterist...

Claims

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Application Information

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IPC IPC(8): A01K61/00A23K50/80A23K10/30A23K10/26A23K10/22A23K10/20A23K20/28A23K20/174A23K20/10A23K20/147A23K20/22A23K20/189A23K20/158
CPCY02A40/81Y02A40/818
Inventor 袁生咬
Owner 袁生咬
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