Bronco (bronc) ...
From Wikipedia, the free encyclopedia

Bronco, or bronc, is a term used in the United States, northern Mexico and Canada to refer to an untrained horse or one that habitually bucks. It may refer to a feral horse that has lived in the wild its entire life, but is also used to refer to domestic horses not yet fully trained to saddle, and hence prone to unpredictable behavior, particularly bucking. The term also refers to bucking horses used in rodeo "rough stock" events, such as bareback bronc riding and saddle bronc riding. The silhouette of a cowboy on a bucking bronco is the official symbol for the State of Wyoming.

Rodeo Stock Farms, Ranches and Breeders Sector ...
Found on 1800miti.Com, the Commerce Resource dB

This industry comprises establishments primarily engaged in raising horses and cattle for the purpose of performing in Rodeos and Shows. These establishments may include farming activities, such as breeding, and the raising of the stock.