Yazar "Köse, Özay" için listeleme
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Aeromonas hydrophila as a causative agent of blue sac fry syndrome in different trout species
Kayış, Şevki; Er, Akif; Yılmaz, Ceyran; Düzgün, Ahmet; Köse, Özay; Kurtoğlu, İlker Zeki (Wiley-Blackwell, 2015)Blue sac fry syndrome (BSFS) occurs in alevins of rainbow trout Oncorhynchus mykiss (Walbaum) and brook trout Salvelinus fontinalis, (Mitchill) and can cause substantial losses during the incubation period. It is generally ... -
Dandelion root extract in trout feed and its effects on the physiological performance of Oncorhynchus mykiss and resistance to Lactococcus garvieae infection
Köse, Özay; Karabulut, Huriye Ariman; Er, Akif (Walter de Gruyter, 2023)In this study, we investigated the dietary effects of dandelion root extract (DRE) on growth performance, body composition, serum biochemical parameters, intestinal and liver histology, and fish resistance against Lactococcus ... -
Effect of dıetary kefır on the dıgestıve and lıver enzymes actıvıtıes and glucose level of coruh trout, salmo coruhensıs (actınopterygıı: salmonıformes: salmonıdae)
Can, Şafak Seyhaneyıldız; Kutluyer, Filiz; Can, Erkan; Kayış, Şevki; Sonay, Fatma Delihasan; Köse, Özay; Aksu, Önder; Erdamar, Hüsamettin; Yiğitoğlu, Muhammet Ramazan; Kayım, Murathan (Wydawnictwo Akad Rolniczej W Szczecinie, 2014)The probiotics are very important for aquaculture because of their role in enhancing the fish health status, improving disease resistance, growth performance, and body composition, reducing malformations, improving gut ... -
Effects of dandelion (taraxacum officinale) methanolic root leaf and flower extracts on growth performance body composition and hematologic blood parameters of fingerling Rainbow trout (oncorhynchus mykiss walbaum 1792)
Köse, Özay; Karabulut, Huriye Ariman (Parlar Scientific Publications, 2022)In this study, the effects of dandelion (Taraxacum qfficinale) root (Root(()(Ex)())), leaf (Leaf(()(Ex)())), and flower (Flower(()(Ex)())) extract on growth performance, feed utilization, body composition, and hematological ... -
Effects of feed rations containing egg powder in different proportions on growth performance, feed utilization, body composition and survival rate of rainbow trout (Oncorhynchus mykiss Walbaum, 1792) fry
Köse, Özay; Karabulut, Huriye Arıman; Kurtoğlu, İlker Zeki; Er, Akif (Ege Üniversitesi Su Ürünleri Fakültesi, 2021)This study aims to determine the appropriate egg powder ratio that can be substituted into the fish meal to close the protein deficit without adversely affecting the development performance of rainbow trout fry (Oncorhynchus ... -
Effects of phytase enzyme supplementation to hazelnut meal based diets on growth performance and nutrient digestibility of Siberian sturgeon (Acipenser baerii Brand, 1869)
Karabulut, Huriye Arıman; Kurtoğlu, İlker Zeki; Köse, Özay (Ankara Üniversitesi Ziraat Fakültesi, 2021)This research was carried out to determine that the effects of diets containing 30% hazelnut meal and different proportions of phytase enzymes on the growth performance of Siberian sturgeon ( Acipenser baerii) (initial ... -
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 ... -
External morphology and weight - length relationships (WLRs) of harbour porpoise, phocoena phocoena (Cetacea: Phocoenidae) in the Black Sea
Bilgin, Sabri; Köse, Özay; Yeşilçiçek, Tuncay (Central Fisheries Research Inst, 2020)The present study summarized information on the morphometric characteristics and weight-length relationships (WLRs) of pregnant females, non-pregnant females and males of harbour porpoise, Phocoena phocoena (Linnaeus, 1758) ... -
First records of anomalously white harbour porpoises (Phocoena phocoena) in the Turkish seas with a global review
Tonay, Arda M.; Bilgin, Sabri; Dede, Ayhan; Akkaya, Aylin; Yeşilçiçek, Tuncay; Köse, Özay; Ceylan, Yusuf (Assoc Teriologica Italiana, 2012)Three anomalously white harbour porpoises (Phocoena phocoena) were reported in Turkish Seas. One of them was bycaught on 19 June 2011 in bottom gill nets off the eastern coast of the Turkish Black Sea. the second one was ... -
Incidental catches of endangered (Phocoena phocoena) and vulnerable (Delphinus delphis) cetaceans and catch composition of turbot bottom gillnet fisheries in the southeastern Black Sea, Turkey
Bilgin, Sabri; Köse, Özay; Yeşilçiçek, Tuncay (Cahiers de Biologie Marine, 2018)The present study summarizes information on the incidental catches of cetaceans and the catch composition of turbot bottom gillnet fisheries between March 2010 and September 2011 along the Rize coast in the southeastern ... -
Inter-specific hybridization between Black Sea trout (Salmo labrax Pallas, 1814) and rainbow trout (Oncorhynchus mykiss Walbaum, 1792)
Akhan, Süleyman; Delihasan Sonay, Fatma; Okumuş, I.; Köse, Özay; Yandı, İlhan (Wiley, 2011)Thermal shock-induced triploid and unshocked control hybrids between rainbow trout (Oncorhynchus mykiss) and Black Sea trout (Salmo labrax) and their parental species were produced under hatchery condition by using heat ... -
Karadeniz’de Karaya Vuran ve Kazara Yakalanan Yunuslar (Cetacea) Hakkında: Ölüm Nedenleri, Beslenme Özellikleri ve Gebelik Durumu
Bu çalışma, Kalkan dip uzatma solungaç ağlarıyla yapılan avcılıkta Karadeniz’de yaşayan iki yunus türünün (Mutur, Phocoena phocoena ve Tırtak, Delphinus delphis) karaya vuran miktarı ve ölüm nedenleri ile bazı üreme ve ... -
Kaynak alabalığı (Salvelinus fontinalis Mitchill, 1814)'nın spermatolojik özellikleri ve spermanın kısa süreli muhafazası
Köse, Özay (Recep Tayyip Erdoğan Üniversitesi / Fen Bilimleri Enstitüsü / Su Ürünleri Anabilim Dalı, 2013)Bu araştırmada kaynak alabalığı (Salvelinus fontinalis Mitchill, 1814)?nın başlıca spermatolojik özellikleri belirlenerek, üreme mevsimi boyunca sperma kalitesinde meydana gelen değişimler ve farklı sulandırıcılar ile ... -
Length-weight relationships (LWRs) of target fish turbot, Scophthalmus maximus (Pleuronectiformes: Scophthalmidae) and non-target fish thornback ray, Raja clavata (Rajiformes: Rajidae) caught by turbot gill net fishery in the Black Sea, Turkey
Bilgin, Sabri; Köse, Özay (Cahiers de Biologie Marine, 2018)The present study was conducted to determine the length weight relationships (LWRs) of turbot, Scophthalmus maximus and thornback ray, Raja clavata caught by bottom turbot gill net in the Black Sea, Turkey and to compare ... -
Testing two types of acoustic deterrent devices (pingers) to reduce harbour porpoise, Phocoena phocoena (Cetacea: Phocoenidae), by catch in turbot (Psetta maxima) set gillnet fishery in the Black Sea, Turkey
Bilgin, Sabri; Köse, Özay (Cahiers de Biologie Marine, 2018)Field experiments with Aquamark 100 and Aquamark 200 pingers were conducted in the bottom set gill net fishery for turbot in the Black Sea coast between March and June 2012. the aim of the experiment was to evaluate (i) ...