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Breeding method for increasing blue crab weight

A breeding method and technology for blue crabs, which are applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of difficult breeding of blue crabs, and achieve the effects of increasing body weight and improving economic benefits.

Inactive Publication Date: 2018-05-15
广西金海环岛渔业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Blue crabs have high economic benefits, but blue crabs are not easy to breed. For this reason, in order to improve the economic effect of blue crabs, it is very necessary to research and develop a breeding method to increase the weight of blue crabs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The breeding method for increasing the body weight of blue crabs comprises the following preparation steps: taking conventional special feed for blue crabs, pulverizing to 200 meshes, mixing evenly with 1.2% of the weight of traditional Chinese medicine additives for special feeds for blue crabs, granulating, and carrying out according to a conventional method You can feed blue crabs.

[0024] The traditional Chinese medicine additive is made of the following raw materials in parts by weight: 22 parts of Hovenia dulcis, 28 parts of ground peach blossom, and 5 parts of amaranth.

[0025] The preparation method of the traditional Chinese medicine additive is as follows: take all the raw materials of the traditional Chinese medicine additive, pulverize them to 100 mesh, add water 16 times the weight of the whole raw materials, extract under reflux three times at 70°C, each time for 30 minutes, combine the extracts, and spray dry.

Embodiment 2

[0027] The breeding method for increasing the body weight of blue crabs comprises the following preparation steps: taking conventional special feed for blue crabs and pulverizing to 250 mesh, then mixing evenly with 0.7% of the weight of traditional Chinese medicine additives for special feed for blue crabs, granulating, and carrying out according to a conventional method You can feed blue crabs.

[0028] The traditional Chinese medicine additive is made of the following raw materials in parts by weight: 30 parts of Hovenia dulcis, 19 parts of ground peach blossom, and 11 parts of amaranth.

[0029] The preparation method of the traditional Chinese medicine additive is as follows: take all the raw materials of the traditional Chinese medicine additive, pulverize them to 150 mesh, add water 12 times the weight of the whole raw materials, extract under reflux three times at 80°C for 30 minutes each time, combine the extracts, and spray dry.

Embodiment 3

[0031] The breeding method for increasing the body weight of blue crabs comprises the following preparation steps: taking conventional special feed for blue crabs and pulverizing to 300 mesh, then mixing evenly with 0.3% of the weight of traditional Chinese medicine additives for special feed for blue crabs, granulating, and carrying out according to a conventional method You can feed blue crabs.

[0032] The traditional Chinese medicine additive is made of the following raw materials in parts by weight: 38 parts of Hovenia dulcis, 10 parts of ground peach blossom, and 17 parts of amaranth.

[0033] The preparation method of the traditional Chinese medicine additive is as follows: take all the raw materials of the traditional Chinese medicine additive, grind them to 200 meshes, add water 8 times the weight of the whole raw materials, reflux and extract three times at 90° C. for 30 minutes each time, combine the extracts, and spray dry.

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Abstract

The invention belongs to the technical field of aquaculture, and particularly relates to a breeding method for increasing the blue crab weight. The method comprises the following steps that conventional feed special for blue crabs is crushed to be 200-300 mesh and then mixed with traditional Chinese medicine additives to be uniform, granulation is conducted, and the blue crabs are fed through a conventional method; the dosage of the traditional Chinese medicine additives is 0.3%-1.2% of the weight of the conventional feed special for the blue crabs; the traditional Chinese medicine additives are prepared from, by weight, 22-38 parts of hovenia dulcis thunb, 10-28 parts of herba urenae lobatae and 5-17 parts of spiny amarauth herbs or roots. Accordingly, by simply adding the traditional Chinese medicine additives prepared from the hovenia dulcis thunb, the herba urenae lobatae and the spiny amarauth herbs or roots in the conventional feed special for the blue crabs, and by means of thesynergistic effect, the weight of the blue crabs can be increased, the economic benefit is increased, the hovenia dulcis thunb, the herba urenae lobatae and the spiny amarauth herbs or roots are sweetand light, the palatability of the feed cannot be affected, and the feed is natural, green and safe.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a breeding method for increasing the body weight of mud crabs. Background technique [0002] The genus Scylla belongs to the class Crustacea, order Decapoda, suborder Brachyura, and family Portunidae. Distributed in sea areas such as Southeast Asia, Australia, Japan, India, and South Africa, and in coastal waters of Zhejiang, Fujian, Taiwan, Guangdong, Guangxi, and Hainan in my country. Because of its huge size, fast growth, delicious meat, and rich nutrition, it is regarded as a precious seafood in modern and modern times, and it is also an important marine economic species for artificial breeding in coastal areas. With regard to the understanding of the distinction between species of the genus Scylla, many scholars support that the genus Scylla has a common Scylla paramamosain (Latin name: Scylla paramamosain), Scylla serrata (Scyllaserrata), Scyllatranquebaric...

Claims

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Application Information

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IPC IPC(8): A01K61/59A23K50/80A23K10/30
CPCA01K61/59A23K10/30A23K50/80Y02A40/81
Inventor 韦金德
Owner 广西金海环岛渔业有限公司
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