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    Brain abscess and bronchopneumonia caused by Acinetobacter baumannii in a 2-year-old female sheep
    (Taylor & Francis Ltd, 2018) Eroksuz, Yesari; Otlu, Baris; Eroksuz, Hatice; Gursoy, Nafia Canan; Yerlikaya, Zeynep; Incili, Canan Akdeniz; Karabulut, Burak
    [Abstract Not Available]
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    Brain abscess and bronchopneumonia caused by acinetobacter baumannii in a 2-year-old femalesheep
    (Taylor & francıs ltd, 2-4 park square, mılton park, abıngdon or14 4rn, oxon, england, 2018) Eroksuz, Yesari; Otlu, Baris; Eroksuz, Hatice; Gursoy, Nafia Canan; Yerlikaya, Zeynep; Incili, Canan Akdeniz; Karabulut, Burak; Timurkaan, Necati; Timurkan, Mehmet Ozkan
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    From Paddock to Foal: Prevalence and Genotypic Diversity of Rhodococcus equi on Stud Farms in Türkiye
    (Mdpi, 2026) Yerlikaya, Zeynep; Karagulle, Burcu; Otlu, Baris; Muz, Adile
    Pneumonia caused by the facultative intracellular pathogen Rhodococcus equi stands out as one of the most significant infections associated with a notably high mortality rate in foals worldwide. Limited therapeutic options and inadequate control and prevention measures result in substantial economic losses, underscoring the need for enhanced interventions. A cross-sectional, multi-province study was conducted on racehorse-breeding farms in T & uuml;rkiye to estimate prevalence and index virulence, assess relatedness, and summarize antimicrobial susceptibility within a farm management context. Nasal and fecal swabs and environmental samples (soil and water) were cultured and confirmed; virulence was assessed with vapA-specific PCR, genetic relationship determined with PFGE, and antimicrobial susceptibility using disk diffusion. R. equi was detected in 10% of nasal swabs, 22.9% of fecal swabs, 29.4% of soil samples, and 5.9% of water samples; 46.2% of confirmed isolates were vapA-positive. Susceptibility patterns were favorable overall, with frequent ampicillin resistance, infrequent resistance to macrolides and rifampin, rare multidrug resistance, and no vancomycin resistance was detected. PFGE demonstrated substantial genotypic diversity, with 12 clusters and 29 distinct pulsotypes. Farm-level observations were exploratory. More frequent mechanical paddock cleaning coincided with the absence of foal deaths, and vapA-positive isolates were observed on farms with prior infection. Taken together, these findings support routine paddock hygiene, prompt isolation of clinically affected foals, culture-guided therapy, and continued surveillance, and they indicate a need for longitudinal and genomic studies to evaluate the impact.
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    Purulent Renal Papillitis Due to Streptococcus Infantarius Subsp. Infantarius in a Horse
    (Sciendo, 2022) Eroksuz, Yesari; Otlu, Baris; Yerlikaya, Zeynep; Tanriverdi, Elif Seren; Incili, Canan Akdeniz; Karabulut, Burak; Timurkan, Mehmet Ozkan
    A 6-year-old, male Arabian crossbred horse was necropsied after a 10 day history of loss of appetite, debility and weight loss. Gross and histologic examination was consistent with purulent papillitis due to Streptococcus infantarius subsp. infantarius. The isolate was sensitive to all the antibiotics tested.
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    Systemic nocardiosis in a dog caused by Nocardia cyriacigeorgica
    (Biomed Central Ltd, 2017) Eroksuz, Yesari; Gursoy, Nafia Canan; Karapinar, Tolga; Karabulut, Burak; Incili, Canan Akdeniz; Yerlikaya, Zeynep; Toraman, Zulal Asci
    Background: Systemic nocardiosis due to Nocardia cyriacigeorgica has not been reported in dogs. Case presentation: Light and electron microscopy, microbiological culture and molecular identification (PCR) were used to diagnose systemic nocardiosis caused by Nocardia cyriacigeorgica in a 3-month-old husky dog. The postmortem changes included multifocal to coalescing, sharply circumscribed pyogranulomatous inflammation and abscess formation in lungs, liver, myocardium, spleen, kidneys, brain, and hilar lymph nodes. The organism was isolated and sequencing of its 16S rRNA allowed its identification and speciation. Examination of the bacterial culture by scanning electron-microscope showed filamentous branching with fragmentation into widely bacillary and cocoid forms of the bacteria. There was no history of immunosupressive drug administration and infection by the immunosuppresive viral pathogens, canine distemper and parvovirus were excluded via PCR. Conclusion: N. cyriacigeorgica should be considered potential cause of systemic pyogranulomatous lesions in dogs. It is the first reported case of systemic nocardiosis due to N. cyriacigeorgica in a dog.