Pasteurella haemolytica A2 infection in two sheep flocks in Tripoli area (Libya).

330 sheep from two different flocks were examined for respiratory manifestations including serous to mucopurulent nasal discharge dyspnoea, cough and light depression. 55 animals were sick (16.6%) and 13 died (3.9%). Samples were taken from healthy, diseases and dead cases as well. Pasteurella haemolytica A2 was identified from 18 isolates, and serotyped by rapid plate agglutination (RPA). Drug susceptibility was tested and treatment applied in line with the results.