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| Question | Answer |
| What are the 4 pathogenic components of enzootic pneumonia in calves? | Parainfluenza virus, bovine respiratory syncytial virus, mycoplasma, and Pasteurella |
| What components of enzootic pneumonia can be vaccinated against? | Parainfluenza virus, bovine respiratory syncytial virus, and Pasteurella (mannheimia haemolytica) |
| What are the 3 pathogenic components of Shipping fever in cattle? | Mannheimia haemolytica, pasteurella multocida, histophilus somni |
| How do you isolate histophilus somni? | Chocolate agar and 10% CO2 |
| What group of cattle and at what time are at risk of shipping fever? | Pre-weaned, suckled calved from September to December Within 4 weeks of housing |
| An old ewe presents with chronic weight loss, and is now coughing, and producing foamy mucoid fluid from its nostrils. On examination the sheep has a RR of 60 and crackles on lung auscultation. What dx is likely? | Ovine pulmonary adenocarcinoma |
| What sort of pathogen causes maedi visna in sheep? | Lentivirus |
| Which disease are older, fatter beef cattle predisposed to after moving to lush pasture? | Fog fever - emphysema and oedema |
| What causes bovine farmer's lung? | Extrinsic allergic alveolitis to fungal spore and bacterial antigen (mouldy feed) |
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