British beef farmers can check their management practices against a list of tried and tested ways to make their suckler herds ...

Male caves started copulating with oestrous cows upon reaching the age of about 16 months. They showed conspicuously little sexual interest in related females, and never copulated with their mothers ...

Most farmers change their rams round different groups of ewes at the end of the first oestrous cycle, which can range from 13-19 days, but usually averages 17 days. At that stage, the colour of ...

REPRODUCTION is a branch of biology in which the methods of the naturalist and the anatomist have contributed considerably to an understanding of basic physiological processes. The comparative ...