Diagnosis of Avian Tuberculosis in laying hens by pathological, microbiological and polymerase chain reaction (PCR): Case report

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dc.authorid0000-0002-1595-0557
dc.authorid0000-0001-6096-4440
dc.authorid0000-0002-0103-5868
dc.authorid0000-0002-7665-687X
dc.contributor.authorYavuz, Orhan
dc.contributor.authorÖzdemir, Özgür
dc.contributor.authorSayın, Zafer
dc.contributor.authorHatipoğlu, Fatih
dc.contributor.authorHadımlı, Hasan Hüseyin
dc.date.accessioned2025-09-03T05:33:14Z
dc.date.available2025-09-03T05:33:14Z
dc.date.issued2021
dc.departmentVeteriner Fakültesi
dc.description.abstractAvian tuberculosis was described at 50 week-old Lohmann chickens in a commercial chicken farm. The study materials were 50 week-old 20 pieces of chicken from 2 coops and 16 week-old 20 pieces of pullets from 4 coops in a commercial chicken farm. After necropsy, samples were processed routinely for histopathological and microbiological examinations. Macroscopically, hard consistency, numerous and different sizes, whitish-yellow caseificated-calcifiated nodules were seen on the liver, spleen, kidneys and intestinal serosa. At microscopic examination, various sized granulomas, which have been caseification necrosis surrounded by epithelioid histiocytes and multinucleated giant cells, were found at liver, spleen, wall and serosa of intestine. Numerous acid-fast bacteria were seen on histopathology at necrosis and macrophages in the liver, spleen and intestines by Ziehl – Neelsen staining. Mycobacterium avium spp was produced at microbiological inoculations in liver, spleen, intestines and ovaries. Mycobacterium avium subsp. avium from these cultures was identified by PCR. It was thought that infection could be by fecal-oral route due to both intestinal tuberculosis in hens and common disease in coop. Therefore, the role of chicken manure may also be taken into account for the spreading of the disease.
dc.identifier.doi10.31797/vetbio.935334
dc.identifier.endpage317
dc.identifier.issn2548-1150
dc.identifier.issue3
dc.identifier.startpage312
dc.identifier.urihttps://doi.org/10.31797/vetbio.935334
dc.identifier.urihttps://hdl.handle.net/20.500.12451/14031
dc.identifier.volume6
dc.indekslendigikaynakTR-Dizin
dc.institutionauthorYavuz, Orhan
dc.institutionauthorid0000-0002-8075-9564
dc.language.isoen
dc.publisherİlker ÇAMKERTEN
dc.relation.ispartofJournal of Advances In Vetbio Science and Techniques
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectHens
dc.subjectMycobacteriosis
dc.subjectPathology
dc.subjectPCR
dc.titleDiagnosis of Avian Tuberculosis in laying hens by pathological, microbiological and polymerase chain reaction (PCR): Case report
dc.typePresentation

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