Go to Article
1/13
All photo spreadsResearcher: Ilya Ivanovich Ivanov (pictured) was considered to be a leading expert in artificial insemination: he bred 500 mares with a stallion - the maximum for natural breeding was 30. He did basic research by crossing species that live in nature hardly mating, such as zebras and horses. More...
Go to Article
1/13
All photo spreads