Difference between revisions of "Mannheimia haemolytica"
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Also known as: '''''Pasteurella haemolytica — M. haemolytica | Also known as: '''''Pasteurella haemolytica — M. haemolytica | ||
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''M. haemolytica'' is beta-haemolytic on blood agar and grows weakly on MacConkey agar. It is odourless. All are ''Mannheimia'' A biotypes and the strains often produce a cytotoxin, known as leukotoxin, which kills leukocytes of ruminants. Leukotoxin is a member of the RTX group toxins, and is probably largely responsible for the pathogenicity of the bacteria in septicaemia and pneumonia. | ''M. haemolytica'' is beta-haemolytic on blood agar and grows weakly on MacConkey agar. It is odourless. All are ''Mannheimia'' A biotypes and the strains often produce a cytotoxin, known as leukotoxin, which kills leukocytes of ruminants. Leukotoxin is a member of the RTX group toxins, and is probably largely responsible for the pathogenicity of the bacteria in septicaemia and pneumonia. | ||
| − | + | ==Literature Search== | |
| − | + | [[File:CABI logo.jpg|left|90px]] | |
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| − | + | Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation). | |
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| + | [http://www.cabdirect.org/search.html?rowId=1&options1=AND&q1=%22Mannheimia+haemolytica%22&occuring1=title&rowId=2&options2=OR&q2=%22Pasteurella+haemolytica%22&occuring2=title&rowId=3&options3=AND&q3=&occuring3=freetext&publishedstart=2000&publishedend=yyyy&calendarInput=yyyy-mm-dd&la=any&it=any&show=all&x=60&y=11 ''Mannheimia haemolytica'' publications since 2000] | ||
[[Category:Pasteurella_and_Mannheimia_species]] | [[Category:Pasteurella_and_Mannheimia_species]] | ||
| − | [[Category:Expert_Review]] | + | [[Category:To_Do_-_AimeeHicks]][[Category:Expert_Review]] |
Revision as of 21:17, 2 October 2010
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Also known as: Pasteurella haemolytica — M. haemolytica
Introduction
Mannheimia haemolytica is a species of the Mannheimia genus. It is the cause of epizootic pneumonia in cattle known as Shipping Fever, Transit Fever or pneumonic pasteurellosis. 90% is caused by Mannheimia haemolytica Biotype A, serotype 1 but also Pasteurella multocida. It is usually secondary to viral infections such as parainfluenza - 3 or IBR, bacterial infections such as Mycoplasma or environmental stress.
M. haemolytica may contribute to Enzootic pneumonia of calves; Enzootic pneumonia of lambs and peritonitis in sheep. It also causes gangrenous mastitis in sheep.
M. haemolytica is beta-haemolytic on blood agar and grows weakly on MacConkey agar. It is odourless. All are Mannheimia A biotypes and the strains often produce a cytotoxin, known as leukotoxin, which kills leukocytes of ruminants. Leukotoxin is a member of the RTX group toxins, and is probably largely responsible for the pathogenicity of the bacteria in septicaemia and pneumonia.
Literature Search
Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).
Mannheimia haemolytica publications since 2000