The ornamental design for an animalrearingenclosure, as shown and described.
FIG. 1 is a top, front and right side perspective view of an animal rearing enclosure showing the new design;
FIG. 2 is a top, front and left side perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a back elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof; and,
FIG. 7 is a top plan view thereof.
The elements illustrated by the broken lines are barriers that confine access to the interior of the animal rearing and form no part of the claimed design.