* Can be secondary to [[Viral infections#In Cattle|IBR]]
* Can be secondary to [[Viral infections#In Cattle|IBR]]
*Causes [[Bacterial infections#In Rabbits|'Snuffles' in rabbits]]
*Causes [[Bacterial infections#In Rabbits|'Snuffles' in rabbits]]
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*''Manheimia haemolytica'' biotype A serotype 1 (90%) and ''Pasteurella multocida'' cause [[Bacterial infections#Pneumonic pasteurellosis|pneumonic pasteurellosis]]