The journey of 1000 miles starts with a single step; How do you eat an elephant? One bite at a time; How do you build varroa resistance into your honey bees? You have to start looking. That is the philosophy and practice of bee breeder Rae Butler who says the results of several seasons in her breeding programme demonstrates to others how progress can be made.

Ahead of an upcoming series on breeding bees for varroa sensitive hygiene (VSH), science writer Dave Black summarises where we've got to...

Science writer Dave Black explores varroa sensitive hygiene, explaining what it is, how it is measured, and learning of research in our...