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In a commercial layer farm of 1500 flock capacity, daily mortality of 2 to 3 birds was noticed for a period of 7 days. The birds exhibit the signs of dullness, paleness in comb along with blood tinged exudates from the nostril. On postmortem examination, severe congestion vascular disturbance in various visceral organs were noticed in all birds. Tissue samples were collected aseptically and sub...

Repetitive sequence-based PCR (rep-PCR) and amplified fragment length polymorphism (AFLP) were used to characterize a sample of 43 field isolates and 4 attenuated vaccine strains of Pasteurella multocida recovered from multiple avian species. Both rep-PCR and AFLP assays were rapid and reproducible, with high indices of discrimination. Concordance analyses of rep-PCR and AFLP with somatic serot...