http://www.dairyherd.com/bovine-vet/q-and-a RSS Feed for Q&A en-us Thu, 07 Mar 2013 14:11:37 GMT http://www.dairyherd.com/bovine-vet/q-and-a/How-does-the-immune-system-respond-to-respiratory-disease-in-cattle-131069388.html “Cattle are dependent on their immune system as a primary defense against invading organisms, viral or bacterial. The immune system generally functions quite well but is subject to compromise during stressful situations.” David McClary, DVM, MS and Elanco technical consultant, describes how the immune system works and the factors that can sometimes compromise an animal’s ability to fight infection.