Clinical Resp Med (FARM) Flashcards
What is the LCT of a calf with:
a. No draught
b. 2m/s draught
c. damp floor
a. 0 oC
b. 9 oC
c. 15 oC
what is Fog Fever?
Reaction to fructans in grass
Which resp Dz are Belgian Blue cattle prone to, due to their low LungVol:BW ratio?
Laryngeal Chondritis
Which parasite causes resp Dz in cows - esp 1st lactation heifers at pasture?
Dictyocaulus Viviparus
Which calf Dz causes stertor (due to laryngeal pathology) and a necrotic smell from the mouth?
Calf Diphtheria
What is the cause and Tx of profuse epistaxis in cattle?
VC thrombosis
HOPELESS Px - PTS immediately!!
Which 2 organisms are commensals of the bovine RT but may become pathogenic?
Mannhaemia
Pasturella
Which resp pathological agent may be diagnosed via a faecal sample?
D. viviparous
What are the 4 best classes of AB for bovine resp infection?
Oxytet
Beta Lactam
Macrolide
Florfenicol
Does IBR vaccination affect serological testing?
No - Marker vaccines available!
How often are IBR boosters given?
q6-12m
When should the live IBR vaccine be used?
naive calves - 1e vaccine
What is the ideal humidity % to prevent resp Dz?
<80%
How much airspace should there be for calves <6w/o?
> 6m3/calf
How much airspace should there be for calves 6-12w/o?
> 10m3/calf
