Person: AYDIN, LEVENT
Loading...
Email Address
Birth Date
Research Projects
Organizational Units
Job Title
Last Name
AYDIN
First Name
LEVENT
Name
14 results
Search Results
Now showing 1 - 10 of 14
Publication Determination of the efficacy of thymol, artemisia absinthium oil and nanoparticle ozone in the treatment of nosema ceranae in adult honey bees(Taylor & Francis Ltd, 2023-02-02) Aydın, Levent; Selova, Semih; Sabancı, Ahmet Ümit; Özüiçli, Mehmet; GİRİŞGİN, AHMET ONUR; Aydın, Levent; AYDIN, LEVENT; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı.; 0000-0002-0020-2708; 0000-0003-3538-7762; B-5286-2017The therapeutic efficacy of various concentrations and combinations of thymol, Artemisia absinthium oil and nanoparticle ozone against Nosemosis caused by Nosema ceranae in honey bees was studied. Two-hundred colonies were examined for N. ceranae positivity and negativity under light microscopy; 119 colonies were positive and 81 colonies were negative for Nosemosis. The study evaluated the therapeutic efficacy of 17 different combinations against N. ceranae. Nine of the 17 combinations were applied by spray to frames and eight were applied orally (combinations added to the sugar syrup reservoir) to the hives. Each of the 17 combinations was prepared in 1,000 ml from (2%, 3% and 5%) of thymol and (2% and 3%) A. absinthium oil, and 1,000, 2,000, 4,000, and 8,000 ppm concentrations of nanoparticle ozone. N. ceranae spore counts before and after the treatment were counted on Neubauer thoma slides by the digestion method, and the efficacy of the combinations was determined by the percent reduction test. In spray form, 200 ml 2,000 ppm nanoparticle ozone + 100 ml 3% thymol + 700 ml sugar syrup (efficacy-89.47%) (Group 5) and in oral form, 250 ml 2% thymol + 200 ml 2% A. absinthium oil + 500 ml sugar syrup (efficacy-85.95%) (Group 16), were found to be more effective. In conclusion, the combination of thymol and nanoparticle ozone in spray form was more effective than other combinations in this study.Publication Long term investigations on tick infestations of human(Kafkas Üniversitesi Veteriner Fakultesi Dergisi, 2015-11-01) Selçuk, Özgür; Aydın, Levent; Girişgin, Ahmet Onur; Şenlik, Bayram; Özakin, Cüneyt; Selçuk, Özgür; AYDIN, LEVENT; GİRİŞGİN, AHMET ONUR; ŞENLİK, BAYRAM; ÖZAKIN, CÜNEYT; Uludağ Üniversitesi/Veteriner Fakültesi/Mikrobioloji Bölümü; Uludağ Üniversitesi/Veteriner Fakültesi/Parasitoloji Bölümü; 0000-0002-0020-2708; 0000-0003-2964-2245; AAG-8392-2021; B-5286-2017; JLA-7878-2023; HLG-4450-2023; GBN-0139-2022In this study, a total of 19866 samples which were collected from humans who applied to the hospitals with tick bites in the western part of Turkey (Bursa) between the years 2007 and 2011 (from February to November) were examined. Approximately 10% (1985) of samples were found as non-ticks like bee stings, lice, fleas and other arthropods. The ticks were identified as Rhipicephalus spp. (72.98%), Ixodes spp. (18.96%), Hyalomma spp. (7.18%), Dermacentor marginatus (0.027%) and Haemaphysalis parva (0.005%). Based on localities, majority of the tick samples were reported from the urbanized areas (81%). Especially, Ixodes spp. species were commonly found in highland and forestry areas of Bursa.Publication The investigation by PCR and culture methods of foulbrood diseases in honey bees in south marmara region(Kafkas Üniversitesi, 2015-01-01) Borum, A. Ebru; Özakin, Cüneyt; Güneş, Ertan; Aydın, Levent; Ülgen, Mihriban; Çakmak, İbrahim; ÖZAKIN, CÜNEYT; Güneş, Ertan; AYDIN, LEVENT; ÜLGEN, MİHRİBAN; ÇAKMAK, İBRAHİM; Uludağ Üniversitesi/Tıp Fakültesi/Mikrobiyoloji ve Enfeksiyon Hastalıkları Anabilim Dalı.; Uludağ Üniversitesi/Teknik Bilimler Meslek Yüksekokulu.; Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı.; Uludağ Üniversitesi/Veteriner Fakültesi/Mikrobiyoloji Anabilim Dalı.; Uludağ Üniversitesi/Mustafakemalpaja Meslek Yüksekokulu.; 0000-0002-9347-8307; 0000-0001-5428-3630; 0000-0002-6307-5179; AAG-8392-2021; AAG-8117-2021; AAH-2558-2021; AAK-4470-2021; HLG-4450-2023American Foulbrood and European Foulbrood diseases of honeybees were examined in 725 beehives from 23 apiaries located in the South Marmara Region of Turkey. We determined that 19 apiaries were infected and the suspected clinical signs of foulbrood diseases were investigated in 102 beehives by PCR and cultural method. Broods and combs from colonies with suspected clinical symptoms of foulbrood diseases were collected and cultured for bacteriological examination. All of the specimens contaminated with bacteriae and 37 species of bacteriae were isolated such as Stapylococcus epidermidis, Bacillus subtilis, Corynebacterium jeikum, Corynebacterium pseudotuberculosis, Bacillus spp. All of these bacteria are related to human, animal and environmental origins. In this study, Paenibacillus larvae by PCR amplifying the 973-bp region PL1 and PL2 with 1f, Melissococcus plutonius amplifying the 973-bp region EFB-F and EFB-R gene were amplified. American Foulbrood causative agent Paenibacillus larvae and European Foulbrood causative agent Melissococcus plutonius were not detected in any sample examined by PCR and cultural methods. On the other hand, Paenibacillus alvei that is a seconder agent to European Foulbrood was found in two samples by cultural methods. In conclusion, the results showed that P. larvae and M. plutonius are not present in South Marmara Region. In this study, human, animal and environment originated agents were isolated.Publication The efficiency of toltrazuril, thymol, and toltrazuril plus thymol combination on eimeriosis in lamb(TÜBİTAK, 2023-03-17) Özüiçli, Mehmet; Girişgin, Ahmet Onur; Kısadere, İhsan; Diker, Ali İhsan; Candar, Ali Erdi; Aydın, Levent; GİRİŞGİN, AHMET ONUR; AYDIN, LEVENT; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Sağlık Bilimleri Enstitüsü/Biyoistatistik Anabilim Dalı.; 0000-0002-0020-2708; B-5286-2017; HLG-4450-2023This study aimed to evaluate and compare the efficacy of the treatment with a single dose of toltrazuril 5% (Baycox), thymol (Versatile, Nine Life, United Arab Emirates), and toltrazuril + thymol combination to control Eimeria spp. infection in lambs in intensive feeding. The study was designed with five groups and these groups aligned as; group 1 (negative control group; NEG), group 2 (positive control group; POZ), group 3 (thymol; THY), group 4 (toltrazuril; TOL) and group 5 [(thymol + toltrazuril; (THY + TOL)]. Each group consisted of 26 Merino lambs which are 60-75 days old each. Treatment groups were administered orally as a single dose [(40 mg/kg/ bw THY (crystal formulation, 100% purity (with feed), 20 mg/kg/bw TOL, THY + TOL [(40 mg/kg/bw THY (with feed) + 20 mg/kg/bw TOL)] and the groups were compared each other in terms of efficacy, fecal scoring, and body weight gain. In addition, Eimeria species identification was also performed. Eimeria ahsata was the most abundant species in infected lambs. Treatment efficacy was found to be 75.15% in the THY, 99.50% in the TOL, and 95.42% in the THY + TOL groups. In conclusion, a single dose of TOL and THY + TOL were found to be highly effective in both clinical and subclinical eimeriosis in lambs. In addition, although single usage of THY is not effective in clinical coccidiosis, it can be used prophylactically in subclinical infections. To find out the anticoccidial effects of THY, it needs more studies to administer different and repeated doses.Publication Infestation with fleas, ticks and lice in sheltered stray dogs in Turkey(Schluetersche Verlagsgesellschaft Mbh & Co Kg, 2020-01-01) Coşkunserçe, Gözde; Çırak, Veli Yılgör; ÇIRAK, VELİ YILGÖR; Aydın, Levent; AYDIN, LEVENT; Bursa Uludağ Üniversitesi/Veteriner Fakültesi.; 0000-0003-0570-2514Sheltering stray dogs is becoming a common practice by governmental veterinary administrations in Turkey in recent years, and veterinary surgeons have been facing various health issues of these animals including parasitic diseases. Three-hundred and fifty dogs from three municipal shelters in Bursa province were examined for flea, tick and louse infestations. The prevalence of infestation was evaluated relative to host age, gender, hair length and season. Of the examined dogs, 59.7% were found to be positive for ectoparasites. Seven species were identified including three species of fleas (Ctenocephalides canis, Ctenocephalides felis, Pulex irritans), three species of ticks (Rhipicephalus sanguineus, Rhipicephalus turanicus, Haemaphysalis erinacei) and one louse species (Trichodectes canis). Our study revealed the presence of H. erinacei in dogs for the first time in Turkey. The prevalence rates for fleas, ticks and T. canis were 51.1%, 12.0% and 4.9%, respectively. The most common parasite was C. canis (43.4%) followed by C. felis (27.4%) and R. sanguineus (9.7%). Neither gender nor hair length was determined as risk factors for prevalence of ectoparasite species, whereas dog's age (<1 year) was positively associated with the infestation rates of C. canis and T. canis. Season significantly affected the prevalence of R. sanguineus and flea infestations. In conclusion, this is the first study regarding the prevalence of canine ectoparasites in Bursa province, Turkey. Taking into consideration that canine ectoparasites frequently serve as natural vectors for important zoonoses veterinarians should attempt to reduce the infestation in dog populations.Publication Determination of diagnostic value of cELISA for the diagnosis of anaplasmosis in clinically suspected ruminants(Kafkas Üniversitesi, 2015-09-01) Selçuk, Özgür; Alver, Oktay; Çatık, Serkan; Aydın, Levent; Şenlik, Bayram; Selçuk, Özgür; ALVER, OKTAY; Çatık, Serkan; AYDIN, LEVENT; ŞENLİK, BAYRAM; Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Mikrobiyoloji Anabilim Dalı.; Uludağ Üniversitesi/Veteriner Fakültesi/İç Hastalıkları Anabilim Dalı.; 0000-0003-2964-2245; AAA-5241-2021; JLA-7878-2023; JLJ-9087-2023; HLG-4450-2023; GBN-0139-2022The aim of this study was to determine diagnostic value of cELISA in anaplasmosis in clinically suspected animals and to compare the cELISA results with the clinical examination results. For this purpose a total of 720 ruminants (457 cattle, 146 sheep, 117 goat) were examined in terms of clinical signs. Eighty-eight ruminants consisting of 61 cattle, 11 sheep and 16 goat which had the symptoms of anemia, fever, icterus, weakness, depression and lack of appetite were selected for the study. Blood samples were collected from the jugular vein of all clinically suspected animals and serum samples were separated. A commercially available competitive enzyme-linked immunosorbent assay (C-ELISA) kit was used for determine antibodies to Anaplasma species. cELISA based diagnosis revealed that 47 of 88 serum samples (53.4%) were positive for anaplasmosis. In serological examination Anaplasma specific antibodies were determined in 45.9% of cattle, 63.6% of sheep and 56.2% of goats. Seropositivity rate was statistically differ among the age groups of cattle and the highest seropositvity rate was found in <12 month age (P < 0.005). However no difference was found in the seropositivity rate of Anaplasma in sheep and goat in relation to age group. From the data obtained in this study it can be concluded that clinical findings are not sufficient criteria for the diagnosis of anaplasmosis and must be supported by serological examination.Publication Investigation of the bee-repellent properties of cotton fabrics treated with microencapsulated essential oils(Sage, 2019-04-01) Eyüpoğlu, Şeyda; Kut, Dilek; Girişgin, Ahmet Onur; Eyüpoğlu, Can; Özüiçli, Mehmet; Dayıoğlu, Habip; Civan, Mustafa; Aydın, Levent; KUT, YAŞAR DİLEK; GİRİŞGİN, AHMET ONUR; ÖZÜİÇLİ, MEHMET; AYDIN, LEVENT; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Parazitoloji Anabilim Dalı; Bursa Uludağ Üniversitesi/Mühendislik Fakültesi/Tekstil Mühendisliği Bölümü; 0000-0002-0020-2708; 0000-0002-9059-0838; AAH-4335-2021; B-5286-2017; FQC-4674-2022; HLG-4450-2023In this study, to produce single-use bee-repellent fabrics, a variety of essential oils were encapsulated with gum arabic wall material at a 1:5 ratio of wall to the core substance. The following core substances were used: lavender oil, laurel oil, fennel oil, N, N-diethyl-3-methylbenzamide (DEET), lavender + laurel oil, lavender + fennel oil, laurel + fennel oil, lavender + fennel + laurel oil, lavender oil + DEET, fennel oil + DEET and laurel oil + DEET. Lavender, fennel and laurel oils were analyzed by high-performance liquid chromatography. In this context, 11 different microcapsules were produced. After the microencapsulation process, the microcapsules were analyzed with a light microscope and by Fourier transform infrared spectroscopy. Furthermore, an image processing application was developed and implemented to determine the particle size distribution of the microcapsules. After the analysis of the microcapsules, cotton fabric samples were treated with the microcapsules. In order to analyze the microcapsules on the fabric samples, scanning electron microscopy (SEM) was used. To analyze the bee-repellent abilities of the fabric samples, 12 different measurement cabinets made of pine tree and glass were produced. According to the results, lavender and fennel oils can be used as bee-repellent alternatives to DEET in beekeeping.Publication Evaluation of children cases admitted for tick bite in uludag university medicine of faculty(Aves Yayincilik, Ibrahim Kara, 2010-12-01) ÇELEBİ, SOLMAZ; Çelebi, Solmaz; KILIÇ, UĞUR; Aydın, Levent; AYDIN, LEVENT; Hacımustafaoğlu, Mustafa; HACIMUSTAFAOĞLU, MUSTAFA KEMAL; Çelik, Uğur; Çakır, Deniz; Emir, Begüm Runa; Çetin, Meryem; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Bilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Enfeksiyon Hastalıkları Anabilim Dalı.; 0000-0003-4646-660X; 0000-0002-7056-0615; GQP-2135-2022Objective: Crimean-Congo hemorrhagic fever (CCHF) virus causes a severe disease in humans, with a mortality of up to 30%. The geographical environment of our country is suitable for ticks. The aim of this study was to evaluate the clinical, and laboratory characteristics of children admitted for tick bites and determine the species of tick removed from the children.Material and Methods: Between April 2009 and September 2009, a total of 104 cases who had tick bites were included in the study. Detailed demographic, laboratory and clinical data were prospectively collected for each patient using a standardized questionnaire.Results: During the study period, a total of 104 children were admitted for tick bite. The mean age of patients was 7.3 +/- 4.4 years (1-18 years) and 71% were female. Most of the children (58%) were living in the rural region of Bursa. Of the 104 reported tick bites, most were nymphs of Rhipicephalus spp (42.3%) and larvae of Rhipicephalus spp (22.1%). Larvae of Ixodes spp (8.6%), nymphs of Ixodes spp. (6.7%), nymphs of Hyalomma spp. (4.8%) and adults of H. marginatum (2.7%) and R. sanguineus (10.5%) were also recorded. The records of H. aegyptium (0.9%) and R. turanicus (0.9%) were unremarkable. Clinical findings were normal on admission and follow up. The levels of liver enzymes, creatinine phosphokinase, lactate dehydrogenase, bleeding markers and complete blood count were normal. No CCHF infection was detected among the children admitted for tick bite.Conclusion: Tick bites and CCHF are important public health problems and it is crucial to publish information on tick bite prevention, which would play an important role in reducing the incidence of direct parasitic contact and the occurrence of transmittable diseases.Publication Ectoparasites of hedgehogs (Erinaceus concolor) from Turkey(Schluetersche Verlagsgesellschaft Mbh & Co Kg, 2015-07-01) Girişgin, Ahmet Onur; Şenlik, Bayram; Aydın, Levent; Çırak, Veil Yılgör; GİRİŞGİN, AHMET ONUR; ŞENLİK, BAYRAM; AYDIN, LEVENT; ÇIRAK, VELİ YILGÖR; Uludağ Üniversitesi/Veteriner Fakültesi/Parasitoloji Bölümü; 0000-0002-0020-2708; 0000-0003-2964-2245; B-5286-2017; GBN-0139-2022; HLG-4450-2023; CKL-2130-2022Hedgehogs are small, nocturnal, spiny-coated animals that have been growing in popularity as exotic pets. However, these animals are host to a wide variety of viruses, bacteria, fungi and parasites, some of which are of zoonotic character. Thus, because hedgehogs have a potential role to transmit zoonoses including arthropod-borne diseases, we examined them for their ectoparasites. The study was carried out on hedgehogs found dead mainly due to road casualties in the Bursa province of Turkey. The ectoparasites were collected by both insecticide spraying of the body and inspection on a white paper carefully. Totally three species of ticks (Rhipicephalus sanguineus, Hyalomma aegyptium, Haemaphysalis parva) and one flea species (Archeopsylla erinacei) were detected. The prevalence of mixed infestation with both ticks and fleas was 45.5%. Haemaphysalis parva was reported for the first time from hedgehogs (Erinaceus concolor) in Turkey. The occurrence of ectoparasites and their potential role as vectors of certain zoonotic diseases are briefly discussed.Publication Hypothetical study of small hive beetle aethina tumida infestation in honeybees, risk commodities and probabilities for its introduction in Turkiye(Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 2022-10-10) Girişgin, Ahmet Onur; Aydın, Levent; Yörük, Yunus Emre; GİRİŞGİN, AHMET ONUR; AYDIN, LEVENT; Yörük, Yunus Emre; Bursa Uludağ Üniversitesi/Veteriner Fakültesi/Parazitoloji Anabilim Dalı; 0000-0002-0020-2708; 0000-0002-2875-8003; 0000-0002-6412-0744; B-5286-2017; HLG-4450-2023; JIU-3315-2023Turkiye is the second-largest honey producer globally; however, the export of honey and bee products does not adequately support the beekeeping industry. Pests account for the largest share of expenditure for agents found in honeybees in the country. Although the Small Hive Beetle (SHB) has not been detected in Turkiye, a risk assessment was performed to determine what happens if it enters the country. The risk assessment included: a) hazard identification; b) risk pathway determination; c) risk assessment for entry via the identified pathways; and d) outcome assessment for becoming endemic in Turkiye. The Risk AMP add-in program was used to assess the probability of distribution for each method of entry, pathway, and simulation. According to the simulations, the probability of SHB introduction in Turkiye varies from 0.17 per 1000 events/days (1.7 per 10000 days or 27 years) to 0.6 per 1000 events/imports (6 per 10000 days or 27 years). The highest likelihood of introduction comes from fruit import (11/15) and soil/compost import (4/15). The mean probability of introducing SHB infestation after 1000 iterations of the constructed model is 0.37 per 1000 events/days (3.7 within 10000 days or 27 years). Finally, the simulated average cost of SHB after the possible introduction is 523 million US $ for Turkiye. With these simulated data, risk assessment of a non-detected pest, SHB, was determined for Turkiye.