| susceptibility of dall sheep (ovis dalli dalli) to pneumonia caused by pasteurella haemolytica. | we evaluated susceptibility of dall sheep (ovis dalli dalli) to bacterial pneumonia induced by two strains of pasteurella haemolytica of domestic sheep origin by evaluating the sensitivity of blood neutrophils of eight dall sheep to lysis by cytotoxins of p. haemolytica, and by intratracheal inoculation of three dall sheep, two bighorn sheep (ovis canadensis), and two domestic sheep with 3.7 x 10(6) or 2.5 x 10(7) colony forming units of p. haemolytica. neutrophils from the dall sheep were more ... | 1996 | 9359056 |