الفهرس | Only 14 pages are availabe for public view |
Abstract Bovine respiratory disease is the most common and costliest problem encountered in feedlot calves. BRD also causes major economic losses to the producer by reducing average daily gain, feed efficiency, and overall performance of beef calves. So it was necessary to survey the bacterial pathogens of pneumonia in order to reduce the losses resulted due to pneumonia in calves. |