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Phagostimulant for prawns in favor of reducing cost of feedstuff

A food attractant and prawn technology, applied in the direction of additional food elements, fishing accessories, fishing, etc., can solve the problems of decreased animal feed intake and poor feed palatability, and achieve the promotion of food intake and growth, stable source, and production The effect of simple process

Inactive Publication Date: 2006-12-13
OCEAN UNIV OF CHINA
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AI Technical Summary

Problems solved by technology

However, lower fishmeal content leads to poor feed palatability and lower animal feed intake

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0006] Take by weighing 25kg of dimethyl-beta-thiatin propionate (DMPT), 20kg of hypoxanthine nucleotide, 20kg of taurine, 18kg of glycine, 17kg of glutamic acid, these five kinds of compositions are ground into fine powder (over 200 order), and then mix uniformly in a mixer (requiring coefficient of variation ≤ 5%), which is the prawn food attractant of the present invention. Adding the prawn food attractant of the present invention to the low-cost prawn feed can not only enable animals to obtain feed and promote bait intake behavior in a short period of time, and reduce feed consumption, but also the food attractant can promote the secretion of digestive enzymes and activate the shrimp. Digestion and absorption function, thereby promoting the growth of prawns.

[0007] From May 18th to August 6th, 2002, Litopenaeus vannamei (initial weight: 0.82 ± 0.02g) was cultured in the indoor circulation system of Donghai Island, Zhanjiang, Guangdong, and the prawns of the present inven...

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Abstract

A phagostimulant of prawn for decreasing the cost of its feed by using it as the additive of feed is proportionally prepared from dimethyl-beta-thetin propionate, hypoxanthine nucleotide, taurine, glycine and glutamic acid.

Description

technical field [0001] The invention relates to a feed additive, in particular to a prawn food attractant which is beneficial to reduce feed cost. Background technique [0002] my country's shrimp aquaculture industry has experienced vigorous development since the mid-1990s after experiencing the severe blow of the outbreak of disease in the early 1990s. Now, the prawn farming industry has become the pillar industry of marine aquaculture in my country, and the prawn feed accounts for more than 80% of the compound feed for marine aquaculture animals in my country. With the rapid development of the farming scale, the production of prawns has increased year by year, so the decline in the price of prawns has become an irresistible trend. For this reason, reducing the cost of prawn farming by reducing the cost of feed is an important issue in front of aquatic science and technology workers. In order to fundamentally reduce the cost of prawn feed, it is necessary to select other...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K97/04A23K1/18A23K20/105A23K20/142A23K20/153A23K50/80
Inventor 徐玮谭北平麦康森张文兵艾庆辉马洪明刘付志国
Owner OCEAN UNIV OF CHINA
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