Following is a transcript of the video. - My name is Nate Ranallo, and I am a hoof trimmer. I'm going to show you how I remove rocks and screws from cows' feet. I trim primarily dairy cows.

Farmers are shown how to trim the hooves of their cows at Red Hill in Limuru in 2016. [File, Standard] Hoof trimming is key in the prevention of lameness in animals such as cattle, sheep ...