Bovine foot disease Flashcards
what animals does FMD target
cloven hoof
what does FMD cause
fever
lesions - feet, tongue, mouth, teats
high morb, low mort
v+ infectious
desc the location of bovin digitial dermatitis
inbw heel, above coronet
what is the herd prevalence
70% of dairy herds have it
40% dz prev
what are the general effects of lameness
reduced milk yeid lameness welfare treatment costs culling larbour incus costs
how much does BDD costs
£100/case
what are the most consistently isolated organisms in bov DD
spirochetes (treponemes(
how do you ID spirochetes
stain with silver nitrate
what treponemes are usually IDd
t. denticola
t. phagedenis
t. medium-like
how do you usually treat foor lesions
inc footbathing (6mthly)
cu sulphate or formalin
topical OTC/blue spray
systemic abx = pen, macrolides - watch withold and rules
what are common risk factors for foot lesions
housed animals
poor hygeine/cleanliness
biosecurity
what is another 2 names for bovine foot rot
foul in the foot
interdigital necrobacillosis
what pathogens are commonly associated with bovinne foot rot
fusobacterium necrophorum
bacteriodes melaninogenicus
what is often a pathognomic sign of b foot rot
raised leg pain swelling fver anorexia
how does bovine foot rot begin?
1ry injury becomes infected and progresses
