Yazar "Kayış, Şevki" için listeleme
-
Evaluation of antibacterial activity of Green Tea (Camellia sinensis L.) seeds against some Fish pathogens in Rainbow Trout (Oncorhynchus mykiss, Walbaum)
Mikroorganizmalarda antibiyotiklere karşı direnç gelişimi, yeni antibakteriyel bileşiklere olan ihtiyacın artmasına neden olmuştur. Bu çalışmada, yeşil çay (Camellia sinensis L.) tohumu ve onun ikincil bir metaboliti olan ... -
Farklı balık türlerinde bakterilerden kaynaklı deri lezyonları
Kayış, Şevki; Er, Akif (2014)Balıklarda sıklıkla rapor edilen hastalıkların semptomları benzerdir, fakat bu semptomlar değişik faktörler sonucu meydana gelmektedir. Bu çalışmada Gram negatif, sitokrom oksidaz pozitif olan bakterilerin farklı balıklarda ... -
Farklı sucul sistemlerden izole edilen bakterilerin antibiyotik dirençliliklerinin karşılaştırılması
Bu çalışmada Doğu Karadeniz Bölgesi’nde iki farklı sucul sistemde (deniz ve tatlı su) bazı balıklardan izole edilen bakterilerde antibiyotik dirençliliği karşılaştırılmıştır. Denizel ortamdan Rize sahillerinden örneklenen, ... -
First report of Tristomella laevis (Monogenea, Capsalidae) from Aegean sea in Turkey
Tristomella laevis (Monogenea, Capsalidae) was recorded on gills of sword-fish (Xiphias gladius), collected from Ayvaci{dotless}k, Çanakkale, for the first time in Turkey. Infested fish weight ranged between 8.1 and 10.5 ... -
First reported case of chironomid midge larva infestations in rainbow trout (Oncorhynchus mykiss Walbaum 1792) eggs
Kayış, Şevki; Altınok, İlhan; Balta, Fikri (TUBITAK, 2010)Six days after transfer of eyed stage rainbow trout (Oncorhynchus mykiss) eggs into an incubator, egg mortality occurred during the winter of 2007. During the outbreak, approximately 30% of the eggs died. Rheocricotopus ... -
Histopathological effects of etiological and non-etiological agents in some fish gills
Yandı, İlhan; Kayış, Şevki; Er, Akif (Parlar Scientific Publications (P S P), 2017)The gill histology in fish is used as an identification of infectious and non-infectious diseases. This approach has also been used in recent years as a biomarker for the determination of pollution and as a tool in ... -
Histopathology of rainbow trout (oncorhynchus mykiss) and sturgeon (acipenser baerii) exposed to sublethal concentrations of cement
Kurtoğlu, İlker Zeki; Kayış, Şevki; Ak, Kübra; Gençoğlu, Songül; Düzgün, Ahmet; Ulutaş, Gökay; Er, Akif (Parlar Scientific Publications (P S P), 2016)In the present study, histopathologic effects of the cement mixing with water in aquatic environment on rainbow trout (Oncorhynchus mykiss) and Siberian sturgeon (Acipenser baerii) has been examined. Both of the two fish ... -
Influences of fucoxanthin on alveolar bone resorption in induced periodontitis in rat molars
Köse, Oğuz; Arabacı, Taner; Yemenoğlu, Hatice; Kara, Adem; Özkanlar, Seçkin; Kayış, Şevki; Duymuş, Zeynep Yeşil (Mdpi, 2016)The aim of this study was to evaluate the effects of systemic fucoxanthin treatment on alveolar bone resorption in rats with periodontitis. Thirty rats were divided into control, experimental periodontitis (EP), and ... -
Intensity and prevalence of some crustacean fish parasites in Turkey and their molecular identification
Er, Akif; Kayış, Şevki (2015)In the present study, intensity, prevalence, and some pathologic effects of Caligus minimus, Nerocila spp., and Livoneca punctata on fishes extending from the eastern Black Sea coast of Turkey were determined. In addition, ... -
Introduce the Siberian Sturgeon (Acipenser baerii) to Turkish aquaculture industry: Duoculture possibility with Rainbow Trout
Ak, Kübra; Kurtoğlu, İlker Zeki; Serezli, Ramazan; Kayış, Şevki; Yandı, İlhan (Ege Univ, Fac Fisheries, 2019)Duo culture response of Siberian sturgeon (Acipenser baeri) and rainbow trout (Oncorhynchus mykiss) was evaluated in culture tank conditions. Triplicated culture groups were planned as: mono-culture sturgeon (M, n=10), ... -
Investigation of long-term bisphenol A exposure on rainbow trout (Oncorhynchus mykiss): Hematological parameters, biochemical indicator, antioxidant activity, and histopathological examination
Minaz, Mert; Er, Akif; Ak, Kübra; Nane, İkbal Demet; İpek, Zeynep Zehra; Yalçın, Arzu; Kurtoğlu, İlker Zeki; Kayış, Şevki (Elsevier, 2022)As an industrial synthetic chemical, bisphenol A (BPA) has the potential to have physiologically and histologically adverse effects on aquatic organisms. BPA causes the reproductive disrupting of all vertebrates due to its ... -
Ligula intestinalis infection in a native Leuciscid hybrid (Alburnus derjugini x Squalius orientalis) in the Kurtun Dam Lake, Northeast Anatolia
İpek, Zeynep Zehra; Kaya, Cüneyt; Kayış, Şevki (Sciendo, 2022)Taxonomic evaluations are needed to accurately determine the host selection of fish parasites. The present study is a multidisciplinary research in the field of basic and fish diseases sciences. The description of the ... -
Nerocila bivittata (Cymothidae, Isopoda) infestation on Syngnathid Fishes in the Eastern Black Sea
Kayış, Şevki; Er, Akif (Eur Assoc Fish Pathologists, 2012)Fifty seahorses and 50 pipefish were sampled from 2010 to 2011, and examined for the presence of parasites. Unusual isopod infestations (Nerocila bivittata) were observed on pouch of Hippocampus guttulatus from 60 meters ... -
Parasites On Different Ornamental Fish Species In Turkey
Kayış, Şevki; Balta, Fikri; Serezli, Ramazan; Er, Akif (2013)Türkiye'nin Değişik Süs Balık Türlerindeki Parazitler Türkiye'de 2009 ve 2010 yılları arasında farklı akvaryum balık türleri, (Astronotus ocellatus, astronot ya da oscar (n=3), Carassius auratus, japon (n=11), Symphsodon ... -
Pathogenic effects of some common bacteria on trout in hatchery systems
Kayış, Şevki; Yılmaz, C.; Er, Akif (Eur Assoc Fish Pathologists, 2017)Compared to investigations involving later life stages, there are relatively limited reports of the effects of bacteria on egg hatching and very early survival of salmonid larvae. the present study investigated the effects ... -
Protozoan and metazoan parasites of cultured fish in Turkey and their applied treatments
Kayış, Şevki; Özcelep, Tuna; Çapkın, Erol; Altınok, İlhan (2009)This publication summarizes information on parasites of Turkish fishes from 2003 to 2008. The information is presented as parasite-host lists and contains 79 species of parasites, distributed among the higher taxa as ... -
Short-term exposure to bisphenol A (BPA) as a plastic precursor: Hematological and behavioral effects on oncorhynchus mykiss and vimba vimba
Minaz, Mert; Er, Akif; Ak, Kübra; Nane, İkbal Demet; İpek, Zehra Zeynep; Kurtoğlu, İlker Zeki; Kayış, Şevki (Springer, 2022)Bisphenol A (BPA) is the main ingredient of plastic materials that are the most used in the world and can cause environmental problems as a result of anthropogenic effects. It is adversely effect on organisms, especially ... -
Vibrio vulnificus infection in horse mackerel (Trachurus mediterraneus) and its characteristic symptoms: An experimental study
Er, Akif; İpek, Zeynep Zehra; Arslan, M.N.; Kayış, Şevki (EAFP - European Association of Fish Pathologists, 2021)In the present study, the mortality and characteristic symptoms (bilateral exophthalmia and skin lesions) associated with Vibrio vulnificus infection in horse mackerel (Trachurus mediterraneus) are presented from an ...