Malignant Catarrhal Fever Flashcards
what viral family does malignant catarrhal fever belong to
herperviridae
true or false:
this virus is easy to transmit among cattle
false
what type of virus is malignant catarrhal fever
DNA
enveloped
what type of shedding is associated with malignant catarrhal fever
latent
recrudescent
intermittent
continuous shedding
what is the outcome of malignant catarrhal fever
fatal generalized lymphoproliferative disease
what are the 3 epidemiological patterns
subclinical in wildebeest
cattle in close contact with sheep (at lambing)
feedlot cattle
what are the clinical signs of malignant catarrhal fever
fever
depression
leukopenia
profuse nasal and ocular discharge
bilateral ophtalmia
generalized lymphadenopathy
extensive mucosal erosions that can cause diarrhea and central nervous system signs
what is the incubation period
3 weeks
what is the gross lesions found from this disease
hemorrhagic necrosis and ulceration of epithelia, edematous and hemorrhagic lymph nodes
what are the histologic findings of this virus
disseminated vasculitis and loss of mature lymphocytes in all lymph nodes
what is the clinical test to detect the virus
PCR
what tissue should be samples
blood
kidney
intestinal wall
lymph node
brain
