Animal feed additive and animal feed

A feed additive, feed technology, applied in animal feed, animal feed, medical raw materials derived from bacteria, etc., can solve problems such as antibacterial research

Inactive Publication Date: 2009-09-09
IDEMITSU KOSAN CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, although the antibacterial properties of MEL or rhamnolipids have been reported in part (Non-Patent Document 4, Non-Patent Document 5), they have not yet been studied for the antibacterial properties of bacteria that cause infectious diseases in livestock, and there is no research in the field of livestock. Examples of application of MEL or rhamnolipids

Method used

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  • Animal feed additive and animal feed
  • Animal feed additive and animal feed
  • Animal feed additive and animal feed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0082] [I] Evaluation of antibacterial properties

[0083] Production of MEL

[0084] (1) Culture of Pseudoaspergillus yeast

[0085] (pre-culture)

[0086] Put 10ml of potato dextrose medium into the test tube and stop it with a silicon stopper. After being sterilized by an autoclave, Pseudozyma aphidis NBRC 10182 was inoculated, and cultured with shaking at 30° C. for 24 hours.

[0087] (Main training)

[0088] Will contain ion-exchanged water, soybean oil 8%, NaNO 3 0.2%, KH 2 PO 4 0.02%, MgSO 4 ·7H 2 50 ml of a medium containing 0.02% O and 0.1% yeast extract was put into a 500 ml Erlenmeyer flask, blocked with a silicon stopper, and sterilized with an autoclave. The above-mentioned pre-culture solution of NBRC10182 was added thereto, and shaken at 30° C. / 220 rpm for 7 days.

[0089] (2) Extraction and purification of MEL

[0090] (extraction)

[0091] Use a separatory funnel to take 50 ml of the culture solution obtained in the main culture, extract twice wi...

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Abstract

The present invention provides a safe and easy means for preventing or treating diseases of birds and mammals, in particular, livestock. In particular, the present invention provides a means for preventing or treating an infectious disease caused by a Gram-positive bacterium. In addition, the invention aims to improve fermentation in the rumen of a ruminant animal, to contribute to suppression of the generation of greenhouse gas, and to increase the feed efficiency. Mannosylerythritol lipids (MEL) and/or rhamnolipids are given to birds or mammals.

Description

technical field [0001] The present invention relates to feed additives and feeds containing glycolipids, and methods of feeding birds and mammals using these. Background technique [0002] Infectious diseases of livestock can reduce the weight of livestock or cause various symptoms, etc., which significantly lower the commercial value of the livestock. For example, Staphylococcus aureus is the cause of mastitis, subcutaneous tumors, sepsis, eruption of horses, arthritis, dermatitis, and sepsis of cattle, sheep, and goats. In addition, Streptococcus suis is a causative bacterium of pig meningitis, sepsis, endocarditis, and arthritis, and Streptococcus bovis is a causative bacterium of bovine bloat. [0003] In the 1940s, it was found that the growth of livestock could be promoted by adding a small amount of antibiotics to livestock feed. Since then, the addition of antibiotics to livestock feed has been widely carried out as a means of promoting the growth of livestock or pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/16A23K1/18A61K31/7028A61K31/7032A61K35/74A61K36/06A61P31/04C07H15/04A23K10/16
Inventor 伊藤真治铃木邦子小林泰男
Owner IDEMITSU KOSAN CO LTD
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