Baby Fae body began generating isohaemagglutinins, but a suitable donor could not be found in time. Prior to the procedure, no infant heart transplant—even with human hearts—had been successfully performed due to a lack of infant human hearts. To address this issue, Bailey had become a pioneer in the research of cross-species heart transplants, which had included "more than 150 transplants in sheep, goats, and baboons". Multiple surgeons had previously experimented with baboon heart implants, leading some to speculate even that baboons could be farmed in the future for such purposes. When asked why he had picked a baboon over a primate
Olive baboon elephants use the tree-top baboons as an early warning system. The olive baboon is listed as least concern by the IUCN because "this species is very widespread and abundant and although persecuted as a crop raider there are no major threats believed to be resulting in a range-wide population decline". Despite persecution, the baboon is still widespread and numerous. Competition and disease have possibly led to fewer baboons in closed forests. It has been actively persecuted as a pest. Olive baboon The olive baboon ("Papio anubis"), also called the Anubis baboon, is a member of the family Cercopithecidae (Old World