Building calf immunity is all about timing. The story starts with the dam before the calf is even born, and after birth, the newborn calf is particularly vulnerable to different pathogens at different ages. This article by Gene Boomer, a former technical services manager at Arm & Hammer Animal and Food Production explains the importance of investing in your calf’s immunity as soon as possible in order to set them up to become healthy heifers and productive cows. Refined Functional Carbohydrates (RFCTM) also contribute to building calf immunity by preparing the immune system ahead of a pathogen challenge. The article is entitled: “Build immunity to start calves right“, and was first published on www.progressivedairy.com in February 2021.