| 词条 | Corynebacterium bovis |
| 释义 |
| color = lightgrey | name = Corynebacterium bovis | regnum = Bacteria | phylum = Actinobacteria | ordo = Actinomycetales | familia = Corynebacteriaceae | genus = Corynebacterium | species = C. bovis | binomial = Corynebacterium bovis | binomial_authority = Bergey et al., 1923 }} Corynebacterium bovis is a pathogenic bacterium that causes mastitis and pyelonephritis in cattle. C. bovis is a facultatively anaerobic, Gram-positive organism, characterized by nonencapsulated, nonsporulated, immobile, straight or curved rods with a length of 1 to 8 µm and width of 0.3 to 0.8 µm, which forms ramified aggregations in culture (looking like "Chinese characters"). In mastitic infections, C. bovis is spread from cow to cow most commonly through improper milking technique.[1] However, it is usually a mild infection resulting in an elevated somatic cell count. The bacterium is sensitive to the majority of antibiotics, such as the penicillins, ampicillin, cephalosporins, quinolones, chloramphenicol, tetracyclines, cefuroxime, and trimethoprim. References1. ^{{cite web | title = Mastitis in Cattle: Overview | work = The Merck Veterinary Manual | date = 2006 | url = http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/110902.htm | accessdate = 2007-06-05 }} External links
4 : Corynebacterineae|Bovine health|Gram-positive bacteria|Bacteria described in 1923 |
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