Most other herds have some degree of cattle hybridization or are managed ... There are currently 4,000 to 6,000 bison in Yellowstone. Breeding among such a large population is a positive sign ...

Originally made up of two distinct herds, researchers now believe the Yellowstone bison should be managed as a single, ...

For years, Yellowstone National Park was home to two distinct bison herds, each with its own breeding patterns. But new research reveals a big change: these once-separate herds have now merged ...

Given that many bison bred with cattle over centuries ... the goal will be to encourage breeding among a male and three females who are purer stock, officials said. “We are thrilled to partner ...

Population genetic studies completed just 20 years ago found that Yellowstone bison populations retained much of their historic breeding patterns and were, in fact, two unique herds living within ...

Groups of bison generally circulate in a home range of about 12 to 39 square miles BREEDING: Bison breed in August and September ... genetic contamination by cattle, disease and domestication.

Another objective of the festival was to establish Debrigarh as a potential breeding habitat since the gene pool is available. The bison census conducted in November had revealed a stable ...

the preferred sex for a conservation breeding program. For our recent study, semen was collected from mature, 2,000-pound wood bison at the University of Saskatchewan. Using technology originally ...