Evaluating the timing of bovine respiratory disease morbidity and mortality in feedlot cattle by first treatment, fatal disease onset, and days from first treatment to death

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Little research has evaluated risk factors influencing the timing of bovine respiratory disease (BRD); the main focus of previ­ous BRD research has been on environmental and demographic factors influencing disease frequency. The study objective was to descriptively evaluate typical BRD temporal patterns for cat­tle in U.S. Great Plains feedyard systems.