Schalles, R.R.; Milleret, R.J.; McKee, M.; Olson, J.R.; Evans, J.; Carnahan, D.L.
(Kansas State University. Agricultural Experiment Station, 1972)
Respiratory diseases of weanling calves are a continuous problem for ranchers. Each case is estimated to represent a $10 to $20 loss through veterinary costs, decreased gains, and death losses. There is also some question ...