[1]Society of Veterinary Pharmaceutical and Biological Productions(Biopharma) B.P.4569 Rabat Morocco;
[2]Laboratory of Microbiology and Molecular Biology Faculty of Sciences University Mohammed V 4 Ibn Battouta Ave.BP 1014 RP Rabat Morocco;
[3]Institute of Agronomy and Veterinary Medicine Hassan II B.P.6202 Rabat Morocco;
Isolation; identification; PCR; Mannheimia haemolytica; Pasteurella multocida; histopathology; Morocco.;