Bekhorot 41: three things to remember

A calf's tail must reach the upper knee joint between thigh and tibia, a joint conspicuous in camels but hidden in calves.
Only dry boils constitute permanent blemishes, whereas boils moist inside and out can heal and remain temporary blemishes.
Animals spared death for bestiality or manslaughter via a single witness or confession remain disqualified from the altar.