Dx of Farm Concern Flashcards
dx that commonly affect farm animals and their prevention and control are of primary concern
dx of farm concern
other term for orf
contagious ecthyma, contagious pustular dermatitis, scabby mouth, sore mouth
etiologic agent of orf
orf virus, Parapoxvirus, family poxviridae
T/F: young are more susceptible to develop orf
T
T/F: orf is zoonotic
T
last stage of orf infxn
scabs
tx for orf
no specific tx
T/F: culling is not done in animals w/ orf since they can spontaneously recover in 2 weeks
T
other term for colibacillosis
colisepticemia, septicemic dx
etiologic agent of colibacillosis
E. coli
T/F: in colibacillosis, young>old
T (highest incidence in animals 2-5 d/o)
predisposing factor of colibacillosis
failure of passive transfer of immunity of colostrum
source of colibacillosis infxn
animal that is diarrheic
colibacillosis route of transmission
feco-oral
positive indicator of E.coli growth in EMB agar
green sheen
a viral dx but not contagious
bovine ephemeral fever
other term for bovine ephemeral fever
three-day sickness
etiologic agent of bovine ephemeral fever
Ephemerovirus, family Rhabdovirus
MOT of ephemeral fever
inoculation, via vector
tx for ephemeral
none (supportive)
also known as pink eye
keratoconjunctivitis
etio agent of kerato in cattle
Moraxella, Neisseria, Mycoplasma, Chlamydia
etio agent of kerato in sheep
Rickettsia, Neisseria, Mycoplasma, Acholeplasma, Chlamydophila
etio agent of kerato in goat
Rickettsia
stages of kerato
1 - excessive tear production, cloudy and opaque
2 - opacity covers a wider portion, reddening (pink eye)
3 - pus (yellowish)
4 - swelling, blindness
CAE version in young
mycoplasmosis
predisposing factor of mycotoxicosis
moisture in feeds
mycotoxin that causes hepatic necrosis
aflatoxin
mycotoxin that causes arteriolar spasm causes the deficient blood supply to part; and reduced blood supply
ergot
mycotoxin that causes nephrosis, immunosuppressant; carries over into human food chain
ochratoxin
photosensitization; causes cholangitis
sporidesmin
causes vulvovaginitis
zearalenone
other term for salmonellosis
typhoid
T/F: Salmonellosis is zoonotic and foodborne
T
etio of salmonellosis in cattle
typhimurium, dublin, newport
etio of salmonellosis in sheep and goats
typhimurium, dublin
other term for myiasis
screwworm
new world fly
Cochliomyia hominivorax
Old world fly
Chrysomya bezziana