Person: CARLI, KAMİL TAYFUN
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CARLI
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KAMİL TAYFUN
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Publication Detection of israel variant 2 (is/1494/06) genotype of infectious bronchitis virus in a layer chicken flock(Ankara Universitesi, 2021-01-01) Ongor, Hasan; Timurkaan, Necati; Coven, Fethiye; Karabulut, Burak; Eroksuz, Hatice; Cetinkaya, Burhan; Çarlı, Kamil Tayfun; CARLI, KAMİL TAYFUN; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Mikrobiyoloji Anabilim Dalı.; 0000-0001-6045-8644The aim of this study was to determine an infectious bronchitis (IB) infection, caused by an Israel variant 2 (IS/1494/06)-like IBV, in a layer chicken flock regularly vaccinated with vaccines containing IBV H120 and 4/91 strains. Mild respiratory symptoms, drop in egg production and soft-shelled eggs and eventually death were observed in a layer chicken flock. Clinical samples from four diseased chickens were examined for the detection and genotyping of IBV by virus isolation, a commercial real time reverse transcription polymerase chain reaction (rRT-PCR) and nucleotide sequencing. Both Israel variant 2 (IS-Var2) and 793/B serotypes were detected from samples by rRT-PCR, but sequencing results of a 345 bp part of S1 gene revealed that our IBV isolate, HFT-IBV, was IS/1494/06 (IS-Var2)-like with the 97.7% genetic similarity. These results suggested that immunity against vaccination with a combination of different genotypes (H120 and 4/91) could not be protective for IS-Var2 IBV field infection. In addition, identification of genotypes from the clinical samples, such as swabs and organ samples by commercial rRT-PCR assays failed to find correct IBV genotype responsible for the IB infection, whereas analysis of nucleotide sequencing of S1 gene of IBV as a gold standard test undoubtedly detected causative genotype of the infection. Also, the findings indicated that there is an urgent need for consider genotype- or protectotype-match vaccination strategies in the field to prevent vaccine- and IB-dependent economic losses of the poultry sector and logically protect chickens from IBV infection.Publication First isolation of salmonella duisburg from quail flock(Sivar-soc Italiana Veterinari Animali Reddito, 2021-06-01) ARDIÇLI, ÖZGE; ARDIÇLI, ÖZGE; KAHYA DEMİRBİLEK, SERPİL; KAHYA DEMİRBİLEK, SERPİL; Kurnaz, Havva; Carli, Kamil Tayfun; CARLI, KAMİL TAYFUN; ÇARLI, KAMİL TAYFUN; Bursa Uludağ Üniversitesi/Veteriner Fakültesi.; 0000-0001-6077-0478; HOC-6049-2023; AAG-7421-2021The first isolation of Salmonella enterica subsp. enterica serovar Duisburg (S. Duisburg) (4,12,[27]:d:e,n,z(15)) from quails was presented in this case report. Internal organs and ileocecal parts of intestines were collected from quails at 20-day old age in the flock (total of 150 quails) located in South Marmara region of Turkey. Isolation was performed according to International Organization for Standardization Method 6579. Regarding the identification of Salmonella-suspected colonies, API 20E test strips and Phoenix 100 ID/AST system were used. Serotyping of the isolate was undertaken using the slide serum agglutination test. Minimum inhibitory concentration results showed that Salmonella isolate was susceptible to all the tested antimicrobials. Although the prominent species is chicken in poultry, quail breeding increases its importance and extensiveness. Therefore this study may be useful not only for current antibiotic practices in quail breeding but also for further studies on avian microbiology.Publication Comparison of mycoplasma gallisepticum infection in different samples and ages of chicken breeder flocks(Facta-fundacio Arnco Ciencia Tecnologia Avicolas, 2020-01-01) Demirbilek, Serpil Kahya; KAHYA DEMİRBİLEK, SERPİL; Ardıçlı, Özge; ARDIÇLI, ÖZGE; Çarlı, Kamil Tayfun; CARLI, KAMİL TAYFUN; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Mikrobiyoloji Anabilim Dalı.; 0000-0001-6077-0478; 0000-0001-6045-8644; AAG-7421-2021; AAH-2842-2021This study aimed to compare method-based and newly developed sample-based methods for Mycoplasma gallisepticum (MG) detection in different samples of breeder flocks suffering from respiratory disease problems by using culture, real-time PCR (rPCR) and ELISA from chicks and embryonated eggs. Overall, 450 samples of 19-day-old chicken embryo's trachea, 450 samples of 8-day-old chicken tracheal swabs and 900 blood samples of 20-, 27-, 34-, 40- and 46-week-old breeder chickens from 5 flocks were sampled for 26 weeks, and were all tested for MG by culture, MG-rPCR and MG-ELISA. Culturing assays and rPCR were applied to 450 mixture samples from 19-day-old chicken embryo's trachea and 450 tracheal swab samples (each pooled into groups of 3) from 8-day-old chicks from the same flocks. Also, 900 blood samples from the same 5 breeder flocks suffering from respiratory disease problems were tested by MG-ELISA.In individual sample-based analyses, 55 (18.3%) of the 300 pooled swab samples were positive for MG using culture methods, and 106 (35.3%) of the same samples were found positive by rPCR (sensitivity, specificity). The ELISAs indicated that 252 (28%) of the 900 breeding blood samples were MG seropositive. Using age-based analyses, the most positive period was 46 weeks, followed by 40 weeks, 34 weeks, 27 weeks and at least 20 weeks, in order of decreasing seropositivity. When comparing the culture and rPCR results of the two different sampling methods, chicken embryo's trachea yielded more positive results than did tracheal swabs from the same flocks. In conclusion, rPCR is a highly specific, sensitive and reliable method for MG identification.