Free-range egg producers are being reminded of the importance of investing in strong biosecurity measures following a surge in cases of avian influenza (AI) this season. The plea from Gabriella Whorwood, head of contract production at Stonegate, comes against the backdrop of more than 90 AI cases being reported across the UK since October. “This season is far from over and we’ve already exceeded the entire 2024/25 season when 82 cases were confirmed,” said Whorwood. “This is happening at the same time a surge in demand for free-range eggs is delivering attractive returns for farmers, with the value of the…