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Preparation method of aquatic feed capable of improving meat quality of crabs

A technology for aquatic feed and meat quality, which is applied in animal feed, animal feed, climate change adaptation, etc. It can solve the problems of weak disease resistance of crabs, damage to fish resources, and easy pollution of water sources, etc., so as to improve the quality of crab meat and simplify the extraction process , Improve the effect of feeding efficiency

Inactive Publication Date: 2018-06-15
浦江县酉泽水产科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the animal feed of many crabs on the market mostly uses small miscellaneous fish and fishmeal as the main raw materials, which have the disadvantages of destroying fish resources and easily polluting water sources, and the cultured crabs have weak disease resistance and poor meat quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: a kind of aquatic feed preparation method that improves crab meat quality, comprises the following steps:

[0014] 1) Extraction of crude polysaccharides from asparagus: crush asparagus to 70 mesh with a traditional Chinese medicine grinder, add water at a ratio of 1g:5mL to liquid, extract at a temperature of 72°C for 30h, and centrifuge at 8000r / min for 5min. Take the supernatant to obtain the crude polysaccharides of asparagus. Under this condition, the contact area between asparagus and water is large, and the polysaccharide in asparagus cells has a high diffusion power to the aqueous solution, which greatly improves the extraction efficiency of asparagus polysaccharides. , and the precipitate formed in the separation process is hard and difficult to be washed up, so that the obtained supernatant is clear and transparent, and the purity of the asparagus crude polysaccharide is improved;

[0015] 2) Purification of Asparagus crude polysaccharide: dissol...

Embodiment 2

[0017] Embodiment 2: a kind of aquatic feed preparation method that improves crab meat quality, comprises the following steps:

[0018] 1) Extraction of crude polysaccharides from asparagus: crush asparagus to 150 mesh with a traditional Chinese medicine grinder, add water according to the ratio of material to liquid 1g: 9mL, extract at a temperature of 80°C for 40h, and centrifuge at 8000r / min for 5min. Take the supernatant to obtain the crude polysaccharides of asparagus. Under this condition, the contact area between asparagus and water is large, and the polysaccharide in asparagus cells has a high diffusion power to the aqueous solution, which greatly improves the extraction efficiency of asparagus polysaccharides. , and the precipitate formed in the separation process is hard and difficult to be washed up, so that the obtained supernatant is clear and transparent, and the purity of the asparagus crude polysaccharide is improved;

[0019] 2) Purification of Asparagus crude...

Embodiment 3

[0021] Embodiment 3: a kind of aquatic feed preparation method that improves crab meat quality, comprises the following steps:

[0022] 1) Extraction of asparagus crude polysaccharide: crush asparagus to 80 mesh with a traditional Chinese medicine grinder, add water according to the ratio of material to liquid 1g:6mL, and then add triethyl orthoacetate and 0.2‰ of asparagus mass. Asparagus quality 0.2‰ of acetamide, then extracted at a temperature of 75 ° C for 36 hours, centrifuged at 8000r / min for 5 minutes, and the supernatant was taken to obtain asparagus crude polysaccharides. Under this condition, the contact between asparagus and water The area is large, and the polysaccharides in the asparagus cells have a high diffusion force into the aqueous solution, which greatly improves the extraction efficiency of the polysaccharides from asparagus. The added triethyl orthoacetate, acetamide and water have a synergistic effect, improving the sugar skeleton The stability of the h...

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Abstract

The invention discloses a preparation method of aquatic feed capable of improving the meat quality of crabs. The feed is prepared from 2-4 parts of gracilaria lemaneiformis polysaccharide, 2-5 parts of pine needle meal, 0.1-0.4 part of organic selenium, 0.2-0.3 part of manganese sulfate, 0.1-0.2 part of ferrous sulfate, 40-60 parts of corn flour and 1-2 parts of vegetable oil by mixing. The preparation method of the aquatic feed has the beneficial effects: the preparation method disclosed by the invention is simple and has easily-available raw materials; and the prepared feed can increase thephysical ability of the crabs, improve metabolism of the crabs, obviously enhance the disease resistance of the crabs, improve the meat quality of the crabs, improve the immunity of the crabs, enhancethe disease prevention ability of the crabs, improve the food conversion ratio and promote breeding benefits.

Description

technical field [0001] The invention relates to the field of feed processing, in particular to an aquatic feed preparation method for improving crab meat quality. Background technique [0002] Crabs: Animalia, Arthropoda, Crustacea, Decapods, Reptiles. Crabs are crustaceans whose bodies are protected by a hard shell. Crabs breathe through gills. In terms of biological taxonomy, crabs and shrimps, lobsters, and hermit crabs are considered to be the same kind of animals. Most species of crabs live in or near the sea, while some live in freshwater or on land. They rely on the female crab to give birth to small crabs, and each time the female crab will lay a lot of eggs, the number can reach more than millions. Crabs rely on the geomagnetic field to determine direction. At present, the animal feed of many crabs on the market mostly uses small miscellaneous fish and fishmeal as the main raw materials, which have the disadvantages of destroying fish resources and easily pollu...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K20/163A23K10/30A23K20/20A23K20/158
CPCA23K10/30A23K20/158A23K20/163A23K20/30A23K50/80Y02A40/818
Inventor 孙弋博
Owner 浦江县酉泽水产科技有限公司
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