An animal positioner includes two forelimb positioning members cylindrically attached to forelimbs of an animal, respectively, so as to wrap the forelimbs; two hindlimb positioning members cylindrically attached to hindlimbs of the animal, respectively, so as to wrap the hindlimbs, the two hindlimb positioning members being longer than the forelimb positioning members; a trunk positioning member which is longer than the hindlimb positioning members, the trunk positioning member being cylindrically attached to a trunk of the animal so as to wrap the trunk between the forelimb positioning members which are attached to the forelimbs of the animal, respectively, and the hindlimb positioning members which are attached to the hindlimbs thereof, respectively; and a head positioning member attached to a head of the animal so as to form a truncated cone circumferential surface and wrap the head above the forelimb positioning members.
