Dear Dr Othieno, I am retiring this year and plan to acquire a few Friesian crosses for dairy farming as a source of income from milk sales. I love Friesians based on what I’ve heard and my own ...

The University of Edinburgh provides funding as a member of The Conversation UK. Despite scientists’ intensive efforts over many decades, bovine tuberculosis continues to be a problem in many parts of ...

Sonja Dominik does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...