The study evaluated the detection of the Campylobacter spp. in cloacal swabs of hens at six poultry farms: one battery cage, three indoor and two free range. Enzyme-linked immunosorbent assay (ELISA) used for detection of Campylobacter spp. determined positivity in the range from 3.4% to 10%. The lowest values of Campylobacter spp. were recorded in free range poultry farms. Our results demonstrated low number of Campylobacter spp. in cloacal swabs of hens with no evident prevalence of positive

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... irds under the various breeding conditions of present in the evaluated farms. Obtained results also indicate a self-limitation nature of the infection in majority of birds and would be helpful in the future studies. Finally, our study shows that detection of Campylobacter spp. in hens is not influenced by breeding of poultry under different farm conditions.