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Rainbow trout feed additive with effects of preventing and controlling diseases and promoting growth, and preparation method and application thereof

A feed additive and growth-promoting technology, applied in application, animal feed, animal feed, etc., can solve problems such as death and economic loss, achieve high bioavailability, improve digestive function, and promote growth.

Inactive Publication Date: 2018-06-08
杭州柏普泰生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the rainbow trout breeding base of Huize County Aquatic Products Station, Qujing City, Yunnan Province, it was analyzed and detected that there were harmful microorganisms such as Aeromonas victoria, Citrobacter, and Aeromonas temperatus in the water quality, resulting in a large number of rainbow trout breeding. death, resulting in huge economic losses

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  • Rainbow trout feed additive with effects of preventing and controlling diseases and promoting growth, and preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0020] The feed additive for preventing and controlling diseases and promoting growth of rainbow trout in this embodiment is composed of the following components: Bacillus subtilis fermentation liquid and starch.

[0021] The preparation method of the feed additive of the rainbow trout that prevents and treats the disease of the present embodiment and promotes the growth may further comprise the steps:

[0022] 1) Fermentation of Bacillus subtilis, the composition of the fermentation broth is: 10 grams of sodium chloride, 10 grams of peptone, and 5 grams of yeast extract per 1 L of medium, the fermentation pH is 7.0, the fermentation temperature is 37 ° C, and the fermentation time is 12 Hour.

[0023] 2) Stir and mix the fermented liquid and starch obtained in step 1) at a mass ratio of 8:1 at room temperature.

[0024] 3) The mixed liquid obtained in step 2) is spray-dried. The spray drying inlet temperature is 170°C and the outlet temperature is 120°C.

[0025] The feed ...

Embodiment 2

[0027] The feed additive for preventing and controlling diseases and promoting growth of rainbow trout in this embodiment is composed of the following components: Bacillus subtilis fermentation liquid and starch.

[0028] The preparation method of the feed additive of the rainbow trout that prevents and treats the disease of the present embodiment and promotes the growth may further comprise the steps:

[0029] 1) Fermentation of Bacillus subtilis, the composition of the fermentation broth is: 10 grams of sodium chloride, 10 grams of peptone, and 5 grams of yeast extract per 1 L of medium, the fermentation pH is 7.0, the fermentation temperature is 37 ° C, and the fermentation time is 18 Hour.

[0030] 2) Stir and mix the fermented liquid and starch obtained in step 1) at a mass ratio of 4:1 at room temperature.

[0031] 3) The mixed liquid obtained in step 2) is spray-dried. The spray drying inlet temperature was 200°C and the outlet temperature was 90°C.

[0032] The feed...

Embodiment 3

[0034] The feed additive for preventing and controlling diseases and promoting growth of rainbow trout in this embodiment is composed of the following components: Bacillus subtilis fermentation liquid and starch.

[0035] The preparation method of the feed additive of the rainbow trout that prevents and treats the disease of the present embodiment and promotes the growth may further comprise the steps:

[0036] 1) Fermentation of Bacillus subtilis, the composition of the fermentation broth is: 10 grams of sodium chloride, 10 grams of peptone, and 5 grams of yeast extract per 1 L of medium, the fermentation pH is 7.0, the fermentation temperature is 37 ° C, and the fermentation time is 12 Hour.

[0037] 2) Stir and mix the fermented liquid and starch obtained in step 1) at a mass ratio of 5:1 at room temperature.

[0038] 3) The mixed liquid obtained in step 2) is spray-dried. The spray drying inlet temperature is 170°C and the outlet temperature is 90°C.

[0039] The feed a...

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Abstract

The invention discloses a rainbow trout feed additive with effects of preventing and controlling diseases and promoting growth, and a preparation method and application thereof. The feed additive is prepared from a bacillus subtilis fermenting solution. The rainbow trout feed additive with the effects of preventing and controlling diseases and promoting growth has the advantages that the healthy growth and development of rainbow trout can be obviously promoted, a body immunity function is effectively enhanced, and the bacterial disease infection can be prevented and controlled. The preparationmethod comprises the following steps of fermenting bacillus subtilis, spray-drying the fermenting solution, and mixing. The preparation method of the feed additive has the advantages that the preparation is simple, the bioavailability is high, the medicine residue is avoided, no toxic and side effects are realized, the convenience in use is realized, and the safety and reliability are realized; by adopting a biological fermenting technology, the preparation is simple, the production of three wastes is avoided in the process, and the preparation method can be widely applied to the culture of the rainbow trout.

Description

technical field [0001] The invention belongs to the technical field of feed additives, and in particular relates to a feed additive for rainbow trout that prevents diseases and promotes growth, a preparation method and an application thereof. Background technique [0002] my country is a big aquaculture country in the world, and the output of freshwater products ranks first in the world. In 2005, the total output of aquatic products in the country was 51.076 million tons, the output value of aquatic products was 401.61 billion yuan, and the breeding volume of aquatic products reached 33.95 million tons, accounting for 66.48% of the total output of aquatic products. As my country's freshwater fish go abroad one after another and open up overseas markets, the development space of freshwater aquaculture will be wider, and the proportion of aquatic product aquaculture will further increase, and aquatic product aquaculture will become the main driving force for the growth of aqua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/80A23K10/12
CPCA23K10/12A23K50/80
Inventor 费辉钱世超吴振举
Owner 杭州柏普泰生物科技有限公司
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