Van Amstel, S.R.; Henton, Marijke M.; Witcomb, M.A.; Vervoort, P.; Fabian, Beryl; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1987)
Bacterial isolations from tracheal and bronchial washes obtained with the aid of a fibreoptic endoscope were carried out over a 7 month period in a feedlot on calves suffering from acute pneumonic pasteurellosis. ...
