How often do wild pigs breed in a average year?

Wild Hogs, Feral Pigs and Russian Boars and Wild Pigs - Wild boar or wild pig (Sus scrofa) is a species of the pig genus Sus, part of the biological family Suidae. The species includes many subspecies.

The wild pig is the most prolific large mammal on the face of the Earth - Sows have approximately 1.5 litters per year. Young females do not typically have their first litter until they are 13+ months of age, even though they can be sexually mature at 6 to 8 months of age or even earlier in some cases.