This could be any of several options: large animal veterinarian, the vet truck, or traveling clinic.
Cattle drive.
clinic
Rodeo
a drover
hacienda
A cattle station is another name for a cattle ranch. It is an extensive operation in Australia that focuses on the extensive raising and grazing of cattle.
Cattle. Bovine.
Cattle rustler.
Bovine.
Feed bunk.
stabile
When thousands of cattle run in a panic, it is otherwise known as a stampede.