After separating the sperm, he then impregnated cows with the male sperm, which then gave birth to male steers four times out of five, with no birth defects.
他把分離後的雄精蟲為母牛人工受孕，結果「助產」出百分之八十的公牛，而且似乎隻隻都是健康寶寶，並沒發現畸型兒。