Integumentary Disease Flashcards
what cell types are affected by papillomavirus?
keratinocytes
does equine sarcoid metastasize?
no
can regrow or grow new ones
what are the main reservoirs of bovine papillomaviruses?
bovine
how are papillomaviruses primarily controlled?
reduce contact with infected cattle
fly control
what are equine sarcoid papillomaviruses?
distinct variants of bovine papilloma virus-1 or 2
is vesicular stomatitis zoonotic?
yes
reportable at state level
how prevalent is cowpox in Europe in cattle?
rare
what does cowpox affect in cattle?
udders and face/mouth of suckling calves
where does cowpox replicate?
in cytoplasm (unusual for DNA viruses)
other than cattle, who does cowpox affect in Europe?
domestic cats
people
rodent reservoir
what is cowpox like in cats and elephants?
widespread skin lesions
lung infection
systemic disease and death
what viruses are part of the poxviridae?
smallpox
cowpox
what year did the first vaccine in Europe occur? for what?
1796
cowpox/smallpox
what does Orf cause?
scabby mouth
contagious pustular dermatitis
contagious ecthyema
is Orf zoonotic?
yes: local disease typically of hands
what lesions does Orf cause?
papules
pustules
crusts on lips, muzzle, tongue, eyelids, teats, feet
how is Orf transmitted?
direct contact
how can the lesions of Orf become complicated?
prevent young lambs from suckling
become secondarily infected
how is dry/cutaneous avian pox transmitted?
mosquito transmission
contact between skin lesions
what is the mortality rate of dry/cutaneous avian pox?
50%
what are the two forms of avian pox?
dry/cutaneous form
wet/diphtheritic form
how is wet/diphtheritic avian pox transmitted?
contact with mucous membrane
who does avian pox affect?
all birds
all ages
how is lumpy skin disease transmitted?
shed skin/crusts/scabs
flies
lumpy skin disease has _______ morbidity and _______ mortality
high
low
what are two variants of bovine lumpy skin disease?
sheeppox
goatpox
what does foot and mouth disease cause?
acute, febrile illness
profuse salivation
nasal discharge
hoof lesions at coronary band
hoofs can slough completely
is foot and mouth disease present in the US?
no- US virus-free
“foreign animal disease”
who is the most susceptible to foot and mouth disease?
cattle and swine more than sheep and goats
what is the mortality and morbidity of foot and mouth disease usually?
low mortality
high morbidity
what is infectious in an acute infection of foot and mouth disease?
all secretions and excretions
airborne
what complicates control of foot and mouth disease?
carrier state develops in some after 28 days
prolonged shedding: up to 2 years in cattle
airborne
what led to the development of Foreign Animal Disease Centers worldwide?
foot and mouth disease
who does senecavirus A or seneca valley virus affect?
swine
cattle
mice
what does psittacine beak and feather disease cause?
can be mild
beak and feather deformation and damage
what cells does lymphocystic infect?
fibroblasts of skin, gills, connective tissues
who does iridoviridae infect?
poikilothermic animals
fish, arthropods, mollusks, amphibians, reptiles
what does equine sarcoid usually cause?
dermal neoplasia
what do papillomaviruses generally cause?
warty epidermal lesions
what resembles foot and mouth disease but infects horses?
vesicular stomatitis
what is the distribution of equine sarcoid lesions?
head mostly
where does equine sarcoid replicate?
nucleus
how are bovine papillomaviruses 1 and 2 transmitted to horses?
direct contact
flies as vectors
other mechanical vectors
are papillomaviruses resistant to environmental stressors?
yes: solvents, detergents, pH, high temperatures
is vesicular stomatitis reportable?
yes, at state level
what is the genome of cowpox?
dsDNA
when was smallpox eradicated globally?
1980
what are the signs associated with foot and mouth disease?
acute, febrile illness
profuse salivation due to vesicles
nasal discharge
hoof lesions at coronary band
hoofs can slough completely
