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Fowl cholera epornitic: antigenic characterization and virulence of selected Pasteurella multocida isolates
K R Rhoades1, R B Rimler, R A Bagley
1U.S. Department of Agriculture, Agricultural Research Service, Ames, Iowa.
Avian Diseases
|January 1, 1992
Abstract:
An epornitic of fowl cholera involving turkey flocks of several farms within a 15-mile radius in Utah was studied. Pasteurella multocida strains isolated from birds in affected flocks were antigenically characterized as A:1, A:3, and B:4, based on capsular sero-grouping and somatic serotyping results. Experimental exposure of poults with each of two strains representing the rarely reported capsular group B indicated that both were virulent.