Angus Beef Bulletin
Jason Sawyer, beef researcher with Texas A&M University’s (TAMU’s) Department of Animal Science, is well aware there is suspicion among some beef producers that vaccinating their cattle for bovine respiratory disease (BRD) before they enter the feedlot could cost them a whole lot more than the price of the shots.
“The premise behind our study was to try and address a concern that a lot of producers have expressed,” he says. “The concern is that by using the modified-live vaccine (MLV) on calves at weaning time, it might impair their performance in the feedlot.”
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