Brazilian buffalo cows in a program of artificial insemination. Mineral supplementation is very important for achieving high fertility when AI is used.
In extensive and semi-extensive operations it is common for a buffalo to nurse more than one calf, in Brazil. This is one of the main causes for a prolonged calving interval.
The buffalo is a beast of burden in many countries of the world but especially in Asia. They are living tractors as they cultivate the fields and pull heavy loads.