There are many different reasons why. The cows could've been old and no longer productive in producing a milk or a calf, Sam and Tim were low on meat and needed food, so the cows were the only source of meat that they had, or Sam and Tim where going to move away and couldn't bring the cows along, but needed meat for their journey.
They were seeking work and adventure, and some wanted land.
Horses are required to supervise, move, and round up the cattle in the vast grazing areas.
MANY were and it was very unfair
California
No, it is not. It is a collective noun (a group of animals) that may also be used as a noun adjunct (herd behavior, herd management). It can also be a verb meaning to collect or move animals in a herd.
It's defensive strategy against predators. Cattle are naturally herd animals, and when stressed or chased, they will cluster into a larger collective--being a herd--and move accordingly.
The noun herd is a singular, common, concrete noun, often used as a collective noun for a group of animals such as a herd of cattle, a herd of buffalo, or a herd of antelope.
Cows are social animals and typically travel in groups or herds. They feel more secure and safe when surrounded by other cows. However, cows may sometimes wander off alone if they get lost or separated from the herd.
Cowboys loved a colorful phrase! This meant a cowboy's personal belongings and baggage. You'd want to pack up your plunder and be ready to move out with the herd.
i think it moves in a herd unless it gets separated... I think. :).
That herd is getting ready to stampede. Please move the herd to a greener pasture.
Llamas do not migrate. They are domestic animals like sheep and cows. Farmers frequently move herd animals from one pasture to another to allow the grass to recover, but that is pasture management, not migration.
Flight zone. You can move a herd of cattle on foot, on horse, or use of a good stock dog.
A heard is a group of animals, so to herd them is to keep them together, and when you move them, they all go together in their herd.
The farmer decided to move the herd of cattle to another pasture.
the alpha of the group of wild horses moves his herd when it is needed