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Preparation method and use method of food-calling vibrio-infection-resistant feed additive

A technology for feed additives and vibrio infection, applied in animal feed, animal feed, applications, etc., can solve the problems of high mortality rate, vibrio infection, and long feeding time of shrimp, and achieve cheap and easy raw materials, preparation and Ease of use and shortening of feeding time

Pending Publication Date: 2021-05-18
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to develop a method for preparing food-inducing anti-vibrio infection feed additives and its use method, to solve the technical problems of long feeding time of prawns, high vibrio infection and mortality rate of prawns in the prior art

Method used

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  • Preparation method and use method of food-calling vibrio-infection-resistant feed additive

Examples

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Embodiment

[0024] 1. Preparation of raw materials: crush fresh fennel stems and leaves, onion bulbs and peppers in a weight ratio of 5:4:1, squeeze the juice and filter, discard the filter residue, add 15g of peptone, 0.5g of beef extract, and sucrose to each liter of filtrate 20g and sodium chloride 5g, mix well and then pasteurize.

[0025] 2. Joint fermentation of probiotics: add 10 strains of Bacillus subtilis and Clostridium butyricum to the mixed juice cooled to room temperature 8 CUF / L or more, mix evenly and fill with pure oxygen to make the dissolved oxygen saturated, seal the fermenter and shade it, and ferment continuously for 96 hours at 25°C to 40°C.

[0026] 3. How to use: Spray the fermented product evenly on the feed according to the addition amount of 1% to 2%, and it can be fed after being fully absorbed by the feed.

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Abstract

The invention discloses a preparation method of a food-calling vibrio-infection-resistant feed additive. The preparation method comprises the following steps: crushing fresh foeniculum vulgare stems and leaves, onion bulbs and chilies, squeezing the above materials into juice, supplementing a proper amount of nutrients which are obtained by a combined fermentation of bacillus subtilis and clostridium butyricum. When a proper amount of the feed additive is added into a feed, the feed has very good food-calling and vibrio-resistant effects, can effectively shorten feed intake time of prawns and reduces vibrio infection and a mortality rate of the prawns.

Description

technical field [0001] The invention relates to a preparation method and a use method of an food-inducing anti-vibrio infection feed additive, belonging to the field of aquatic feed additives. Background technique [0002] Vibrio, a Gram-negative bacterium with a flagella tail, is the most important pathogenic fungus of marine animals. A total of 91 species of Vibrio have been discovered so far, most of which are pathogenic bacteria of aquatic animals, such as Vibrio parahaemolyticus, Vibrio alginolyticus, Vibrio vulnificus, Vibrio harveyi, Vibrio anguillarum, etc. Compared with fish farming, shrimp farming will produce more residual bait, and there will be more organic matter in the feces. Therefore, it is easier to breed Vibrio in shrimp ponds and often lead to shrimp infection. Once the shrimp is infected by Vibrio, the lightest Cause symptoms such as black gills, ulcers, red bodies, broken beards, enteritis, etc., and seriously cause the incurable disease of atrophy and...

Claims

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Application Information

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IPC IPC(8): A23K10/30A23K10/12A23K10/20A23K20/147A23K20/163A23K50/80A01K61/13A01K61/59
CPCA23K10/30A23K10/12A23K10/20A23K20/147A23K20/163A23K50/80A01K61/13A01K61/59Y02A40/81
Inventor 吕富程铭万学瑞於叶兵王欢欢刘鹏周杨曹天琦
Owner YANCHENG INST OF TECH
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