Review of Feedlot Pathology

Abstract

The term, bovine respiratory disease (BRD), is commonly used but has no specific meaning other than to describe a broad concept of various respiratory dysfunctions. Generally, respiratory disease can be classified as bronchial, interstitial, or metastatic pneumonias [1]. These categories include most types of respiratory disease that can be identified but obviously exclude some of the less commonly observed occurrences such as necrotic laryngitis and tumors.