demonstration that australian pasteurella multocida isolates from sporadic outbreaks of porcine pneumonia are non-toxigenic (toxa-) and display heterogeneous dna restriction endonuclease profiles compared with toxigenic isolates from herds with progressive atrophic rhinitis. | capsular types a and d of pasteurella multocida cause economic losses in swine because of their association with progressive atrophic rhinitis (par) and enzootic pneumonia. there have been no studies comparing whole-cell dna profiles of isolates associated with these two porcine respiratory diseases. twenty-two isolates of p. multocida from diseased pigs in different geographic localities within australia were characterised genotypically by restriction endonuclease analysis (rea) with the enzyme ... | 1998 | 9877188 |