Document Detail


Growth responses of environmental mastitis pathogens to long-chain fatty acids.
MedLine Citation:
PMID:  3286694     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Streptococcus uberis, Streptococcus faecalis, Escherichia coli, and Klebsiella pneumoniae were tested for susceptibility to long-chain fatty acids predominant in teat canal keratin. Antibacterial activity of free fatty acids on each bacterial species was measured after 12 h in synthetic media. Growth responses of all three strains of Streptococcus uberis were completely inhibited by C18:3 and those of two of three strains by C18:2 at 1 micrograms/ml. None of the fatty acids tested were bactericidal to Streptococcus faecalis. Saturated fatty acids C14 and C16 were more bacteriostatic to Streptococcus faecalis than were polyene fatty acids. Growth responses of coliform species were not affected by long-chain fatty acids. In general, environmental mastitis pathogens were resistant to fatty acids predominant in teat canal keratin.
Authors:
J S Hogan; K L Smith; D A Todhunter; P S Schoenberger
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Publication Detail:
Type:  In Vitro; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of dairy science     Volume:  71     ISSN:  0022-0302     ISO Abbreviation:  J. Dairy Sci.     Publication Date:  1988 Jan 
Date Detail:
Created Date:  1988-06-29     Completed Date:  1988-06-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  2985126R     Medline TA:  J Dairy Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  245-9     Citation Subset:  IM    
Affiliation:
Ohio State University, Ohio Agricultural Research and Development Center, Wooster 44691.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cattle
Environmental Microbiology*
Escherichia coli / drug effects*,  growth & development
Fatty Acids / pharmacology*
Female
Klebsiella pneumoniae / drug effects*,  growth & development
Mastitis, Bovine / microbiology*
Streptococcus / drug effects*,  growth & development
Chemical
Reg. No./Substance:
0/Fatty Acids

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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