Rinderpest & Bovine Papillomatosis Flashcards
true or false:
rinderpest is no longer a problem because it was eradicated
true
what viral family does rinderpest belong to
paramyxoviridae
what type of virus is rinderpest
RNA
enveloped
what does the rinderpest virus form when replicating
syncytiums and intracytoplasmatic and intranuclear inclusion bodies
what does the rinderpest virus cause
acute febrile disease with morbidity and mortality reaching almost 100% in susceptible populations
what is the incubation period of rinderpest
3-5 days
what are the 2 phases rinderpest
prodromal phase
mucosal phase
what is the prodromal phase characterized by
fever
what is the mucosal phase characterized by
severe mouth erosions
mucopurulent nasal and ocular secretions
depression
anorexia
what is the final stage of rinderpest
phase of severe blood diarrhea and postration where the animal may die of shock and dehydration
what is the issue with rinderpest in pregnant animals
abortion
how does rinderpest establish itself in the animal
through the nasal cavity then replicate in the tonsil and lymph nodes
how does rinderpest travel through the body
viremic spread to spleen, bone marrow, mucosa of the respiratory and digestion tract
what is the cause of the secondary infections of the rinderpest
severe leukopenia
what can be used to distinguish a rinderpest infection at death
at death blood is dark, thick and slow to coagulate
how does rinderpest present in a surviving animal
lifelong immunity
what is needed to diagnose rinderpest
RT-PCR
viral isolation
true or false:
rinderpest is a reportable disease
true
what can be used for serologic diagnosis but not to identify an outbreak
ELISA
what is the transmission route of rinderpest
direct contact
shed in nasal, ocular secretions, urine, feces, and milk
when do infected animals begin shedding
during the incubation period before the clinical signs
which species may be subclinically infected and infect cattle
swine
true or false:
there is no transmission of rinderpest through food
true
true or false:
there are attenuated vaccines for rinderpest but since eradication, vaccination stopped
true
what viral family does bovine papilloma belong to
papovaviridae
what type of virus is the bovine papilloma
DNA
naked
in what age group is bovine papilloma mostly seen in
calves
yearlings
which types of bovine papilloma cause warts
1, 2, 5
which types of bovine papilloma induce epithelial and cutaneous lesions without fibroblast proliferation
type 3, 4, 6
which type of bovine papilloma presents with a flat, broad based wart without fibroblast proliferation
type 3
which type of bovine papilloma may cause GI and bladder lesions that may lead to squamous cell carcinoma
type 4
what is the entry of the bovine papilloma virus
through abrasions
what does bovine papilloma infected (cell)
epithelial cells
what are the results of bovine papilloma after the infection of the epithelial cells
hyperplasia
degeneration
hyperkeratinization
what is the outcome of bovine papilloma infections
spontaneous regression
what is the diagnosis protocol of bovine papilloma
clinical diagnosis
what is the viral family of pseudocowpox
poxviridae
what are the clinical presentations of pseudocowpox
horseshoe scabs are pathognomoic
what places often get these lesions
tests
muzzle
mouth of suckling calves
