Artificial selection.
farmers selectivly breed cattle to get the characteristics they desire for the job they are going to put the offspring to do
Longhorns are a breed of cattle created over time in the U.S. they are leaner cattle with wide horns and eat the same things as most other cattle do.
Club breed until you get what you want basicly, that's how most breeds evolved
A Guernsey is a breed of cattle, particularly dairy cattle.
A zo is a Tibetan breed of cattle. The zo is a cross breed of a yak and the common cattle.
The Angus breed.
The Angus is a breed of cattle
Dual purpose means that the breed or type of cattle can be used for milking or raising beef cattle.
A breed of english beef cattle that are usually red
Chianina.
Many farmers near and around Guntur, Andha Pradesh India, are selling Ongole cows for breed development. Livestock researcher Lamfarm Guntur, A.P. India is organizing the genetic improvement scheme on Ongole cattle. This organization sells Ongole cattle twice in a year.
Dual purpose means that the breed or type of cattle can be used for milking or raising beef cattle.