News Lush spring feed and photosensitivity in livestock 07/11/2021 FacebookTwitterEmail When grazing lush green feed, cattle and sheep take in large amounts of the plant pigment, chlorophyll, which can build up in the blood leading to photosensitivity. By Dr Jeff Cave, Senior Veterinary Officer With the warmer weather and green feed that comes with spring, livestock farmers are likely to see an increased incidence […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password