Sheep Respiratory Conditions

1
Sheep Respiratory Conditions

• C S Parker BVMS DBR MRCVS
• Scarsdale Vets
• Derby

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Pasteurella

• Several types
• stress related
• clinical signs death?

3
Clinical signs pasteurella

• Haemorrhage
• fluid in lungs

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Pm problems
5
Disease outbreaks

• Often May, June, July
• Often deaths initially
• Stress factors/climate

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Prevention/Control

• Vaccination
• antibiotics?

7
Other viral conditions

• PI3 infection
• mycoplasma/atypical pneumonia
• slow viruses

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PI3 infections

• Under-lying cause of pasteurella?

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Atypical pneumonia

• Chronic - young sheep
• Can effect 40 lambs in flock
• chronic, mucopurulent nasal discharge
• reduces growth rates

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Slow virus infections

• Jaagsiekte
• Maedi-Visna

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Jaagsiekte
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Maedi-Visna

• Long incubation
• Solid lungs
• weigh 2 -3x normal
• blood sampling schemes

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Caseous lympadenitis

• 30 -40 abscesses in lungs
• contagious

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Parasitic Bronchitis

• Husk
• Muellarius

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Oddities

• tumours
• poisons