Horses that adapt well to slow feeding often exhibit noticeable improvements in behaviour and health. A key indicator of success is a sense of contentment — horses eat in a calm, consistent manner.

DRUZHKIVKA, Ukraine—On the eastern front here, Russia is saddling up a mainstay of battlefields from earlier centuries to counter Ukraine’s drone army: horses and donkeys. The hoofed mammals ...

But, happily ensconced on his 500-acre farm in Minnesota, he will one day grasp the impact he had on horse racing and how he revolutionized the art of race calling.