“Worms don’t go on holiday” is the message to equestrians this summer, and higher temperatures may mean more horses need treating than normal. “After allowing for the normal seasonal rise in egg shedding through autumn and winter, the increase remained statistically significant,” the spokesperson said. MisconceptionsWestgate Labs director Kristy Hodgson said a common misconception is that a horse “looks fine” so testing can be delayed. To encourage testing, Westgate Labs is offering a daily prize draw from 17 to 28 August. To stay up to date with the latest equestrian news, subscribe to the Horse & Hound website