Alva Review-Courier -

MINNEAPOLIS (AP, Oct. 17, 2016) — Researchers have transplanted embryos originating from the bison herd at Yellowstone National Park into female bison in Minnesota in hopes of increasing the genetic diversity of herds in the state and helping to restore America's official mammal to the landscape.

While Yellowstone bison are prized because they're free of domestic cattle genes, experts say using them in breeding programs is difficult because they carry a contagious disease called brucellosis, which causes spontaneous abortions in pregnant cattle. Other efforts at spreading the genes of Yellowst...