cattle drive

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The process of transporting a herd of bovine animals (such as bulls, cows, or steers) by compelling them to walk across a significant distance of countryside, under the escort of drovers on horseback and often over a period of days.
• noun A trail or route used for the movement of herds of cattle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun driving a bovine herd (as cows or bulls or steers)