In the mid-20th century, the population began to decline, and by 1964, one breeder, R.M. Holiday of Louisiana, Missouri, established what would become the last herd of purebred Mulefoot hogs.
In the mid-20th century, the population started to dwindle, and by 1964, one breeder, R.M. Holiday of Louisiana, Missouri, established what would become the final group of purebred Mulefoot pigs.