Nate Ranallo is a hoof trimmer in Wisconsin who works mostly with dairy cows. He walks us through how he cleans the hooves and removes a sizable screw from one and tiny rocks from another. He uses a ...

There are no more hoof trimmers, says Nelson Ndungu Kiramba. The old wazee who used to do this job are no more, adds the middle-aged man who has no regret for his career choice, which he says was ...

Amid the hum of milking equipment and the shuffle of cow hooves, PhD student Audrey Parker and her collaborators pull a wagon through a dusty path of ...