PhysiologyPLoS ONEPeer-reviewed
Intra-horn insemination in the alpaca Vicugna pacos: Copulatory wounding and deep sperm deposition
Patricia L. R. Brennan, Stephen Purdy, Sarah J Bacon
The paper investigates copulatory wounding in alpacas during mating, finding that the penis reaches the uterine horns, causes abrasion, and may facilitate early pregnancy success through inflammatory responses.