Detailed text transcripts for TV channel - FOXNEWS - 20151102:18:55:00
Assistive reproductive technology which involved a washing of bison embryos to essentially scrub out a disease called brusillosis which is also a threat to cattle and humans as well. >> that gate had never been opened before, so it wasn't kind of a natural response for them to check that gate. but once they saw that it was open and the lead cow decided to go through, it was game over. they were out. they were running out on the prairie. >> reporter: the only other purebred bison in the united states are in yellowstone national park. but many carry the disease. the sperm donors were descended f...