AVPG - Cattle and horses flipbook
The Australian Veterinary Prescribing Guidelines cattle and horse flipbook, detailing antimicrobials for use in cattle and horses.
This page will outline guidelines for antimicrobial use for the following bovine respiratory disease:
- Pneumonia in adult cattle
Pneumonia in adult cattle
Diagnostics
Most common pathogens are Mannheimia haemolytica, Pasteurella multocida, Histophilus somni and Mycoplasma spp, often in conjunction with viral pathogens.
Although diagnostics are rarely pursued, they should be considered for valuable animals or in outbreaks.
Culture and susceptibility testing can be performed from transtracheal wash, bronchoalveolar lavage or post-mortem specimens. Mannheimia can be associated with pleuropneumonia, which carries a very poor prognosis.
Treatment
Oxytetracycline most appropriate. Ceftiofur has limited activity against Mycoplasma spp.
Duration of therapy
Dependent on severity. 2-3 days may be adequate in mild cases. Treat until disease resolved, which may take > 1 week in severe cases.
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