![Four brown beef cows standing in a barn looking at the camera with an icon banner at the bottom that says Ontario Agri-Food Innovation Alliance Research 2020-21 Agri-Food Yearbook](https://www.uoguelph.ca/alliance/sites/default/files/styles/large/public/A%20new%20approach%20to%20preventing%20and%20controlling%20pneumonia%20in%20beef%20cattle_1080x720.jpg?itok=KsnopTWy)
A new approach to preventing and controlling pneumonia in beef cattle
Conventional wisdom suggests that the best way to prevent pneumonia in beef cattle is to boost the animal’s immune response — the capacity to recognize and defend against bacteria, viruses and harmful substances — during the transition period when calves are placed together in feedlots.