2 week old intact, female, bay thoroughbred foal

nursing normally
mare is current on vaccinations
foal has not been vaccinated or dewormed
mare and foal part of small herd

T- 101.8
P- 60
R- 52
Bright and alert
all systems ok except musculoskeletal

swollen right hind fetlock
very lame on right hind and refuses to use
owner thinks mare stepped on foalÕs leg

touching lameness on right rear limb
soft tissue swelling/pitting edema sitting 12 cm proximal to fetlock and extending just                
distal
she resents palpation of the limb
no foreign body
no resentment of hoof testers
following exam, foal more lame and does not put foot on ground
no instability or crepitance upon palpation