Not exact matches
As the
pelvic joints and ligaments relax, they begin to loosen and
expand which allows a baby to pass through the birth
canal.
The sow's
pelvic canal has to
expand in order to deliver the pups.
This can be done by breeding the sow at a young enough age (before 6 months of age) to insure the
pelvic symphysis has not fused, and the
pelvic canal can
expand during delivery.
The
pelvic canal can
expand from 1 to 1.5 inches during delivery.