Several sheep are sick at a petting zoo that has cows, horses, pigs, bison, and white-tailed deer. One of the deer is also affected. Affected sheep are listless and off-feed, with serous or mucopurulent nasal dishcharge and rectal temperatures ranging from 105-107.5•F (40.5-42•C). Physical exam shows swollen muzzles with edema and congestion of the lips,… Continue reading NAVLE Question of the Day