Yazar "Güven, Esin" için Araştırma Çıktıları | TR-Dizin | WoS | Scopus | PubMed listeleme
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Could Vital Dyes be used to Determine the Degree of the Time Dependent Viability Changes in Cryptosporidium parvum Oocysts?
Yılmazer, Nadim; Güven, Esin; Kaplan Küçük, Şadiye; Dittmar, Katja; Bangoura, Berit; Kar, Sırrı (Kafkas Univ, Veteriner Fakultesi Dergisi, 2011)The present study was undertaken to determine time dependent viability changes of purified Cryptosporidium parvum oocysts, stored in antimicrobial-supplemented PBS at +4 degrees C, using vital dyes (DAPI/PI). The trials ... -
Determination of Developmental Stages of Cryptosporidium parvum in HCT-8 Cell Culture by Differential Interference Contrast Microscopy, Giemsa and Haematoxylin-Eosin Staining Methods
Kar, Sırrı; Güven, Esin; Yılmazer, Nadim; Karaer, Zafer (Kafkas Univ, Veteriner Fakultesi Dergisi, 2011)This study aimed to compare the advantages of differential interference contrast microscopy, Giemsa and haematoxylin-eosin staining techniques for detecting, visualizing and distinguishing the developmental stages of ... -
Determination of developmental stages of Cryptosporidium parvum in HCT-8 cell culture by differential interference contrast microscopy, Giemsa and haematoxylin-eosin staining methods
Kar, Sırrı; Güven, Esin; Yılmazer, N.; Karaer, Zafer (2011)This study aimed to compare the advantages of differential interference contrast microscopy, Giemsa and haematoxylin-eosin staining techniques for detecting, visualizing and distinguishing the developmental stages of ... -
Effects of Laminar Flow Ultraviolet Sterilization Protocol on Cryptosporidium parvum Oocysts and Determination of These Effects with Vital Dyes
Kar, Sırrı; Güven, Esin; Karaer, Zafer (Kafkas Univ, Veteriner Fakultesi Dergisi, 2011)Cryptosporidiosis is a globally widespread protozoan disease with zoonotic character. Protection and control bear great importance for combating the disease that may cause serious economic losses. At this point, UV ... -
Examination of Competitiveness of Irradiated (Caesium-137) Hyalomma marginatum Males in Copulation
Karaer, Zafer; Güven, Esin; Kar, Sırrı; Emre, Zişan; Akçay, Aytaç; Nalbantoğlu, Serpil; Duzgun, Ali (Kafkas Univ, Veteriner Fakultesi Dergisi, 2010)We had previously reported in one of our studies that the irradiated males of Hyalomma anatolicum anatolicum were not able to compete with the normal males while mating with the females. In this study, it is aimed to ... -
İrradie (Caesium-137) Hyalomma marginatum erkeklerinin çiftleşmedeki rekabet gücünün belirlenmesi
Karaer, Zafer; Güven, Esin; Kar, Sırrı; Emre, Zişan; Akçay, Aytaç; Nalbantoğlu, Ayşe Serpil; Düzgün, Ali (2010)Daha önce yapmış olduğumuz bir çalışmada, irradie Hyalomma anatolicum anatolicum erkeklerinin, aynı sayıdaki irradie edilmemiş erkeklerle, dişi keneleri dölleme faaliyetinde rekabet edemedikleri görülmüştür. Bu çalışmada ... -
Kanatlı coccidiosisine karşı oocystlerin irradiye edilmesi esasına dayalı aşı üretimi I-tavuk coccidiosisinde altlıklardaki dışkılarda bulunan oocystlerin kantitatif olarak belirlenmesi ve sporlandırılması ile ilgili çalışmalar
Karaer, Zafer; Pınar, Zeynep; Kar, Sırrı; Güven, Esin; Çakmak, Ayşe; Nalbantoğlu, Ayşe Serpil; Emre, Zişan (2009)Bu çalışmada, tavuk coccidiosisine neden olan Eimeria ookistlerinin, toplanan dışkı numunelerinden laboratuvar ortamında kantitatif izolasyonu ve etkili bir şekilde sporlandırılması için kullanılabilecek ideal yöntem ... -
Kanatlı coccidiosisine karşı oocystlerin irradiye edilmesi esasına dayalı aşı üretimi ıı-farklı sayıda Eimeria spp. oocystleri ile enfekte edilen civcivlerde klinik bulgular, bağırsakta ve canlı ağırlakta meydana gelen değişiklikler
Çalışmada, her birinde 14 günlük 14 civciv bulunan 8 grup sırasıyla 25 bin, 50 bin, 100 bin, 200 bin, 350 bin, 500 bin, 750 bin ve 1 milyon oocyst ile enfekte edilmiş, bir grup ise negatif kontrol olarak ayrılmıştır. ... -
Kanatlı coccidiosisine karşı oocystlerin irradiye edilmesi esasına dayalı aşı üretimi ııı- Eimeria spp. ve Eimeria maxima ile enfekte edilen civcivlerde oocystlerin atılım karakteristiği
Kar, Sırrı; Karaer, Zafer; Güven, Esin; Nalbantoğlu, Ayşe Serpil; Çakmak, Ayşe; Ekdal, Kemal; Koçak, Asiye (2010)Çalışmada, kanatlı coccidiosisine neden olan Eimeria türlerinin farklı yoğunluktaki enfeksiyonlarda gösterdiği atılım karakteristiklerini ortaya koymak amacıyla, her birinde 14 günlük 14 civciv bulunan 8 grup sırasıyla 25 ... -
Molecular identification of Eimeria species of broiler chickens in Turkey
Güven, Esin; Beckstead, Robert B.; Kar, Sırrı; Vatansever, Zati; Karaer, Zafer (Ankara Univ Press, 2013)The objective of this study was to determine whether seven Eimeria species involved in chicken coccidiosis are present in Turkey and to assess their prevelance in commercial flocks. Litter and faecal samples were collected ... -
Monthly dynamics of the cold-adapted one-host biological north form of Hyalomma scupense under the influence of the warm summer subtype of the Mediterranean climate in Turkey
Akyıldız, Gürkan; Güven, Esin; Tüfek, Hakan; Bente, Denis; Vatansever, Zati; Kar, Sırrı (Elsevier Ireland Ltd, 2021)The one-host biological north form / ecotype of Hyalomma scupense Schulze, 1919 (Acari, Ixodidae) is reported for the first time in Turkey herein. Following the first detection of the tick, a longitudinal field study was ... -
Monthly infestation characteristics of ticks on cattle in Thrace, a Crimean Congo hemorrhagic fever-endemic area of Turkey
Kar, Sırrı; Akyıldız, Gürkan; Güven, Esin; Bente, Dennis; Vatansever, Zati (Springer, 2021)The first etiologically confirmed cases of Crimean-Congo hemorrhagic fever (CCHF) in humans were detected in Turkey in 2002. Since then, thousands of cases have been reported from different parts of the country. Hyalomma ... -
Prevalence of Cryptosporidiosis and Molecular Characterization of Cryptosporidium spp. in Calves in Erzurum
Güven, Esin; Avcıoğlu, Hamza; Balkaya, İbrahim; Hayirli, Armagan; Kar, Sırrı; Karaer, Zafer (Kafkas Univ, Veteriner Fakultesi Dergisi, 2013)This study was conducted to determine the prevalence of cryptosporidiosis and to identify Cryptosporidium species found in preweaned calves, in Erzurum, Turkey. Fecal samples were collected from 307 calves up to one month ... -
Prevalence of subclinical coccidiosis in broiler farms in Turkey
Karaer, Zafer; Güven, Esin; Akçay, Aytaç; Kar, Sırrı; Nalbantoğlu, Serpil; Çakmak, Ayşe (Springer, 2012)The presence of Eimeria spp. oocysts in fecal samples collected from 1,108 broiler houses in six regions, representing about 12% of all broiler farms in Turkey, was studied using the modified McMaster method. The age of ... -
Ticks on humans in Ankara, Turkey
Karaer, Zafer; Güven, Esin; Nalbantoğlu, Serpil; Kar, Sırrı; Orkun, Omer; Ekdal, Kemal; Akçay, Aytaç (Springer, 2011)In this study, a total of 5,094 ticks found on humans were examined in terms of species, development stage, gender, host features and seasonality for a year period. Of these ticks 17 were argasid and 5,077 were ixodid. ... -
Vaccine Production Based on Oocyst Irradiation at Broiler Coccidiosis I: Studies on the Quantitative Determination and Sporulation of Oocysts in Faeces Present in Litter of Broilers with Coccidiosis
Karaer, Zafer; Pınar, Zeynep; Kar, Sırrı; Güven, Esin; Çakmak, Ayşe; Nalbantoğlu, Serpil; Emre, Zişan (Kafkas Univ, Veteriner Fakultesi Dergisi, 2009)The objective of this study was to evaluate a standard method for quantitative isolation of Eimeria oocysts from feces samples and effective sporulation. It's realized that contamination related with litter can effectively ... -
Vaccine Production Based on Oocyst Irradiation at Broiler Coccidiosis II: Clinical Findings, Gut and Live Weight Changes at Birds Infected with Different Numbers of Eimeria spp Oocysts
Karaer, Zafer; Kar, Sırrı; Güven, Esin; Nalbantoğlu, Serpil; Çakmak, Ayşe; Akçay, Aytaç (Kafkas Univ, Veteriner Fakultesi Dergisi, 2009)At this study, 8 groups of 14 days-old 14 birds were infected respectively with 25x10(3), 50x10(3), 100x10(3), 200x10(3), 350x10(3), 500x10(3), 750x10(3) and 1000x10(3) Eimeria spp oocysts and 9th group was determined as ... -
Vaccine Production Based on Oocyst Irradiation at Broiler Coccidiosis III: Characteristics of Oocyst Shedding in Birds Infected with Eimeria spp. and Eimeria maxima
Kar, Sırrı; Karaer, Zafer; Güven, Esin; Nalbantoğlu, Serpil; Çakmak, Ayşe; Ekdal, Kemal; Koçak, Asiye (Kafkas Univ, Veteriner Fakultesi Dergisi, 2010)The aim of this study was to expose shedding characteristics of different Eimeria spp cause coccidiosis. For this purpose, 8 groups of 14 days-old 14 birds were infected respectively with 25x10(3), 50x10(3), 100x10(3), ...