Studies on Fowl Cholera. I. A Biochemic Study of Avian Pasteurella Multocida Strains

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Abstract
A biochemic study was made of 432 strains of P. multocida isolated from cases of fowl cholera. It was demonstrated that 409 of these strains could be divided into 3 groups, designated I, II, and III, according to their fermentative action on xylose, arabinose, and dulcitol. Studies with 360 strains showed that their fermentative action on xylose was a stable characteristic and that a few strains fermented trehalose. Most (81.9%) of these strains showed urease activity. Mixed infections, with strains having different fermentative action on xylose, were not found.