enzootic pneumonia in a sentence

1. Infection may also cause ocular or generalised signs and may contribute to enzootic pneumonia, depending on the serotype of the virus.
2. It is thought to facilitate and exacerbate the development of diseases such as porcine enzootic pneumonia and porcine reproductive and respiratory syndrome ( PRRS ).
3. Porcine enzootic pneumonia is endemic worldwide and " M . hyopneumoniae " is present in almost every pig herd ( Minion, 2002 ).
4. It's difficult to find enzootic pneumonia in a sentence.