Ancient DNA reveals a Bronze Age bias for male horses | Science | AAAS
https://www.sciencemag.org/news/2020/07/ancient-dna-reveals-bronze-age-bias-male-horses
Herded and hunted goat genomes from the dawn of domestication in the Zagros Mountains | PNAS
https://www.pnas.org/content/118/25/e2100901118
The First Horse Riders | Horse Domestication on the Eurasian Steppe - YouTube
https://www.youtube.com/watch?v=AMHqp0M0T4Q
The origins and spread of domestic horses from the Western Eurasian steppes | Nature
https://www.nature.com/articles/s41586-021-04018-9