DZ OF FARM CONCERN Flashcards
(48 cards)
other term for orf
contagious ecythyma
scabby mouth
contagious pustular dermatitis
soremouth
CA of orf
parapoxvirus fam poxviridae
Lesion progression of ORF
__ to __ to ___→ falls → source of infections to other animals → infective for a long time
Papules → pustules → scabs
orf primarily affects what animals
young lambs and kids
in rare cases, orf lesions can reach to ____
oral cavity
diagnostic technique for orf
CS+PCR
t.f orf is self-limiting
t
t.f vaccination for orf is recommended
NO. Live vaccine can cause outbreak since can reverse in virulence
vaccination in orf in PH is not reco since this can cause ___
reverse virulence
CAs of collibacillosis
pathogenic E.coili
collibacillosis has high incidence in animals with age
2-5 d/o
Predisposing factor of collibacillosis
failure of passive transfer of immunity or colostrum –> immunocompromised host
collibacillosis source of infection
diarrheic animals
chronic manifestation of collibacillosis
localized lesion in navel, brain, and joints
agar for E.coli
eosin-methylene blue agar
BVD is a viral and contagious dz
f. not contagious
genus and family of BOVINE EPHEMERAL FEVER
ephemerovirus
family rhabdovirus
mechaincal vectors of bovine ephemeral fever
culex aedes, aegyptis, c. q.
CS: biphasic fever, inc RR, dyspnea
Bovine ephemeral fever
KCS agents in cattle
Moraxella bovis
Neisseria catarrhalis
Mycoplasma spp.
Chlamydophila spp.
KCS agents in sheep
ricketssia conjunctivae
N. catarrhalis
mycoplasma conjunctivae
acholeplasma oculi
chlamydophila spp.
Stages of KCS
Stage 1: excessive tear production, cloudy opaque
Stage 2: opacity covers a wider portion, reddening (pink eye)
Stage 3: there is already pus (yellowish)
Stage 4: swelling, blind
stage of KCS
there is already pus (yellowish)
3
stage of KCS
opacity covers a wider portion, reddening (pink eye
2