How are cattles classified?

Explanation

Cattles are classified into three groups based on the purpose they serve to man.
1. Dairy breeds or Milch breeds :
They are high milk yielders with extended lactation. Eg: Sindhi, Gir, Sahiwal, Jersy, Brown, Swiss, Holstein cattle.
2. Draught purpose breeds:
Bullocks are good for draught purpose. Eg : Kanga yam, Malvi.
3. Dual Purpose breeds :
Cows are meant for yielding more milk and bullocks are used for better drought purpose. Eg: Ongole, Hariana.