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New Breeding Bull Added to Bison Herd at Southwest Minnesota Park
The park brought in a four-year-old breeding bull to help limit inbreeding and preserve one of the nation’s few cattle-genetic-free herds.
Blue Mounds State Park near Luverne introduced a new 4-year-old bull to the herd in time for the July breeding season, replacing a bull that served for 10 years.
Bison were hunted to near extinction over 125 years ago, creating a massive population bottleneck, and naturalist Tiffany Muellner said the herd is part of a genetic conservation effort.
The Blue Mounds team maintains three subgoals for the herd, primarily limiting inbreeding and minimizing cattle genetics introduced through historical cross-breeding efforts.
Herd members are notoriously picky and have previously rejected new arrivals during the breeding season, so the team currently waits to see if the cows accept the new bull.
Partnering with the Inter-Tribal Buffalo Council to return bison to tribal communities, biologists aim to increase the herd to 500 bison, the minimum needed for sufficient genetic variation.