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The aim of the study was to determine the effect of a Polish low-virulence isolate of haemorrhagic enteritis adenovirus (HEV) on the immune system in turkeys and on the course of colibacillosis in(More)
Yersinia enterocolitica is the causative agent of yersiniosis in different animal species and in humans. Food contaminated with Y. enterocolitica is the main source of infection for humans, and swine(More)
As immunosuppression in pigeons is common and results in reduced post-vaccination immunity and lower health status of the birds, studies have been taken up aimed at evaluation of the effect of three(More)