Feeding and Managing Sheep Chap. The following review questions are intended to point out and help you understand some of the major points in the reading material. List the four primary types of swine operations. Breeding should occur about 40 hours after the onset of estrus. Gilts should be bred during their first heat cycle because this is when they release the most ova.
Hot weather improves reproductive rates in gilts.
Difficult births often enhance the occurrence of MMA in sows. Hogs are efficient growers. Grains make up a major portion of a pig's diet.