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ŞENLİK, BAYRAM

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ŞENLİK

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BAYRAM

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2020 - 20212
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    Publication
    Detecting fecal egg count (FEC) for gastrointestinal nematodes of adult Turkish sheep with different scrapie related PRNP haplotypes
    (Taylor & Francis, 2020-12-10) Yaman, Yalçın; Şenlik, Bayram; Özuiçli, Mehmet; Keleş, Murat; Aymaz, Ramazan; Bay, Veysel; Hatipoğlu, Ecem; Koncagül, Seyrani; Öner, Yasemin; Ün, Cemal; ŞENLİK, BAYRAM; ÖZÜİÇLİ, MEHMET; ÖNER, YASEMİN; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Biyometri ve Genetik Bölümü.; GBN-0139-2022 ; JIF-7199-2023 ; ABB-3181-2020
    Scrapie is a transmissible spongiform encephalopathy caused by prions and leads to neurodegeneration in the Central Nervous System (CNS) of sheep and goats. Genetic resistance/susceptibility to scrapie is well studied and it is known that the variations of 136th, 154th and 171st codons at the ovine PRNP gene have a major effect on the development of the disease. Many studies demonstrated that selection for PRNP genotypes has not influenced other performance traits, nevertheless, there is a knowledge gap about the possible link between the PRNP gene and the status of the other important diseases that affect the sheep population worldwide. In the present study, we tested whether there is an association between scrapie-related PRNP genotypes and fecal egg count (FEC) of gastrointestinal nematodes in seven adult Turkish sheep breeds. For this purpose, FEC scores of studied sheep (n = 253) were determined and the same animals were genotyped for the PRNP gene. Finally, an association analysis was performed for scrapie resistant (ARR), susceptible (VRQ), and wild-type (ARQ) haplotypes. Based on our statistical analysis, it is concluded that PRNP genotypes have no positive or negative effect on the FEC scores of adult sheep.
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    Response to doxycycline and oxytetracycline treatments in cats infected with Mycoplasma spp. and analysis of haemato-clinical findings and risk factors
    (Malaysian Soc Parasitology Tropical Medicine, 2021-06-01) Çetin, H. S.; Ekici, O.; Küçükyıldız, F.; Şenlik, B.; ŞENLİK, BAYRAM; Bursa Uludağ Üniversitesi/Veterinerlik Fakültesi.; 0000-0003-2964-2245; AAD-1304-2021
    This study was planned to determine the efficacy of doxycycline and oxytetracycline in the treatment of feline Mycoplasma spp. infections and to analyze risk factors as well as clinical and haematological findings. Cats accepted to the clinic with complaints such as weakness, loss of appetite and fever were routinely examined. Clinical history of animal was demanded from the owner. An interview and a short questionnaire were conducted to owner to evaluate the risk factors associated with possible Mycoplasma status of animal. During the interview, the age, sex, breed, housing, flea infestation, worm control, external parasite control, other accompanying infections and vaccination status of cats were asked and the data recorded. Peripheral blood smears were stained with the DIFF-QUICK. Fifty positive cats were included in the study, 16 of which were treated with doxycycline (orally, 5 mg/kg twice a day) while other 34 with oxytetracycline (intramuscular injection, 10 mg/kg once a day). It was determined that all (100%) cats with Mycoplasma spp. infection had a flea infestation. Majority of cats (94%) did not receive the regular antiparasitic application and only 6 (12%) of them had complete vaccinations. Mycoplasma spp. infection was associated with younger age and outdoor access. Among the feline breed, striped cat (74%) was more prone to infection. The most common clinical signs encountered in cats were weakness (94%) and anorexia (84%). Haematological parameters revealed thrombocytopenia (86%), and anaemia (40%) in infected cats. At the end of the treatment, recovery rates for doxycycline and oxytetracycline groups were 87.5% and 67.6%, respectively. General status of these cats indicated significant improvement on the 4th day of treatment, and clinical symptoms are restored on the 7th day. Mycoplasmosis is an important infection for cats having anaemia, thrombocytopenia and leukocytosis. Flea infestations are risk factor for contamination of the disease. Based on our results, we recommend doxycycline treatment (5 mg/kg) for up to 21 days for elimination of Mycoplasma spp. in the blood of infected cats.