Mannheimia hemolytica Flashcards
Mannheimia hemolytica in bovine
Bacterial broncho-pneumonia in calves
Shipping Fever
Bacterial broncho-pneumonia in calves by M. haemolytica and P. multocida
Shipping Fever Pathogenesis: endogenic
Stress
Multiplication at the nasopharynx of M. haemolytic
P. multocida acts as secondary pathogen
Shipping Fever Pathogenesis: exogenic
Excretion of high numbers of Mh by infected calves
Other animals get colonized/infected
Bacterial broncho-pneumonia Lesions
Fibrinous necrotizing bronchopneumonia
Serofibrinous pleuritis
Well defined pneumonia zones
Bacterial broncho-pneumonia Symptoms
General symptoms - coughing, dripping noses
Respiratory distress
Prevention of Mannheimia hemolytica infection
Ventilation
Thermoregulation
Decrease stomach fermentation (feed)