Yazar "Kurtoğlu, İlker Zeki" için listeleme
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Acute toxicity and histopathological assessment of bisphenol a in danube sturgeon (Acipenser gueldenstaedtii) larvae
Minaz, Mert; Er, Akif; Ak, Kübra; Kurtoğlu, İlker Zeki; Kayış, Şevki (HARD Publishing Company, 2024)Bisphenol A (BPA), an important component of the plastics industry, is characterized as an endocrine disrupting toxic substance for aquatic organisms. This study focused on the toxic effects of BPA on endangered Danube ... -
Acute toxicity of ammonia and nitrite to angel fish (Pterophyllum scalare, Liechtenstein 1823) and the effect of erythrocyte morphology
Serezli, Ramazan; Küçükağtaş, Abidin; Kurtoğlu, İlker Zeki (Parlar Scientific Publications (P S P), 2016)Angelfish (Pterophyllum scalare, 1.54 +/- 0.03 g, n=500) were exposed for 24, 48, 72 and 96 hours to different concentrations NH3-N (0.2-2 mg/L), and NO2-N (1-35 mg/L) at pH 7.2 +/- 0.3. Using Probit analysis, 50% lethal ... -
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 ... -
Assessment of hematological indicators, histological alterations, and DNA damage in Danube sturgeon (Acipenser gueldenstaedtii) exposed to the organophosphate malathion
Er, Akif; Minaz, Mert; İpek, Zeynep Zehra; Ak, Kübra; Kurtoğlu, İlker Zeki; Kayış, Şevki (Elsevier, 2023)This study focused on organophosphate malathion toxicity in Danube sturgeon (Acipenser gueldenstaedtii) and its negative effects in sub-lethal concentration. In this context, the LC50 value of fish exposed to five different ... -
Bacterial pathogens and health problems of Acipenser gueldenstaedtii and Acipenser baerii sturgeons reared in the eastern Black Sea region of Turkey
Kayış, Şevki; Er, Akif; Kangel, P.; Kurtoğlu, İlker Zeki (Shiraz Univ, 2017)Farming sturgeons is an economically important practice in a number of Asian and European countries. However, since it is not widely implementedin Turkey, fertilized eggs necessary for research and industrial activities ... -
Characterization and inhibition studies of carbonic anhydrase from gill of Russian Sturgeon Fish (Acipenser gueldenstaedtii)
Dincer, Barbaros; Ekinci, Arife Pınar; Akyüz, Gülay; Kurtoğlu, İlker Zeki (Taylor & Francis Ltd, 2016)An alpha-carbonic anhydrase (CA, EC 4.2.1.1) was purified and characterized kinetically from gill of Acipenser gueldenstaedtii as an endangered sturgeon species. the carbonic anhydrase was purified 66-folds with yield 20.7% ... -
Determination of probable reproduction season of ındividually tagged siberian and diamond sturgeon broodstock, whicha are newly rised, via steroid hormones, haematological changes and ultrasound imagery
Ak, Kübra; Kurtoğlu, İlker Zeki (Parlar Scientific Publications (P S P), 2017)In this study, it is aimed to determine the gonadal development and gender of the Siberian (Acipenser baerii) and diamond (A. gueldenstaedtii) sturgeon species by using ultrasonography and blood parameters in aquaculture ... -
Determining the appropriate concentration of an anesthetic mixture in three different fish species with the PROMETHEE decision model
Minaz, Mert; Er, Akif; Ak, Kübra; Kurtoğlu, İlker Zeki; Kayış, Şevki (Frontiers Media SA, 2024)Anesthesia is applied to protect fish welfare for reducing employee workload in aquaculture. The efficacy of the anesthetic agent varies depending on the fish species. In this study, the effect of a commercial anesthetic ... -
Economic analysis and sustainability of Turkish marine hatcheries
Kurtoğlu, İlker Zeki; Küçük, Hadar; Alkan, Ali; Özdemir, Atilla (Central Fisheries Research Inst, 2010)The economic analysis was performed and sustainability was evaluated for 7 leader Turkish marine hatcheries which have 61.5% of Turkish total marine fish fry production. For this purpose, the fixed cost including investment ... -
Effect of antioxidants on cryopreserved turbot (Scophthalmus maximus) spermatozoa quality and DNA damage
Polat, Hamza; Kurtoğlu, İlker Zeki (Central Fisheries Research Inst, 2023)The effects of several antioxidants added to cryopreservation extenders on turbot (Scophthalmus maximus) sperm post-thaw motility, fertilization, sperm characteristics, and DNA damage were investigated. The following ... -
The effect of red pepper to add into commercial trout feed on growth performance and meat quality of rainbow trout (oncorhynchus mykiss)
Karabulut, Huriye Arıman; Kurtoğlu, İlker Zeki (Parlar Scientific Publications (P S P), 2017)In this study; the effects of red pepper (P) and powdered pepper (F), added to the diet at different concentrations on the rainbow trout pigmentation to be harvested, have been examined. Experimental fish groups' mean ... -
The effects of different dosage of kefir with different durations on growth performances and antioxidant system in the blood and liver tissues of çoruh trout (Salmo coruhensis)
Can, Erkan; Kurtoğlu, İlker Zeki; Benzer, Fulya; Erişir, Mine; Kocabaş, Mehmet; Kızak, Volkan; Kayım, Murathan; Çelik, Hüseyin Tuğrul (Central Fisheries Research Inst, 2012)The objective of the present work was to examine the effects of different doses (0, 10, 20 and 40 g kg-1 fish diet mass) of kefir on growth performance and oxidant-antioxidant status in the blood and liver tissues of Coruh ... -
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 meal and body sizes on gastric evacuation of the endangered Siberian sturgeon (Acipenser baerii) fed on either live or artificial diets: Using radiography technique
Mazlum, Rahşan Evren; Kurtoğlu, İlker Zeki; Alabdullah, Alhabeeb (Wiley, 2020)The effects of body and meals sizes on gastric evacuation (GE) of the endangered Siberian sturgeon (Acipenser baerii) were parameterized (at temperatures ranging from 16.8 to 17.6 degrees C) using radiography technique. ... -
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 ... -
Effects of stocking density during live transportation on haematological parameters of Siberian sturgeon (Acipenser baerii, Brandt, 1869)
Kurtoğlu, İlker Zeki; Ak, Kübra; Genç, Songül (Wiley, 2021)In this study, we investigated the effects of different stocking densities water quality and blood parameters during the transportation of the Siberian sturgeon (Acipenser baerii). Experiments were carried out in high-density ... -
Effects of the feeds containing hazelnut meal as plant protein source on growth performance and body composition of Siberian sturgeon (Acipenser baeri) and economic profitability value
In this study, the effects of feeding with the diets containing hazelnut meal (HM) at different levels (0%, 15%, 30%, and 45%) on the growth performance and body composition of Siberian sturgeon were investigated. The study ... -
Evaluating the growth performance of native stream trout (Salmo trutta) in north firat under culture conditions
Karabulut, Huriye Arıman; Yandı, İlhan; Kurtoğlu, İlker Zeki; Turan, Davut; Şenoğlu, Burcu (Medwell Journals, 2012)In this study, stream trout (Salmo trutta), caught from the Northern Firat river basin in province of Erzurum were fed trout feed after a week long adaptation period. After 2 months adaptation period, they were fed commercial ... -
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 ... -
Hazelnut meal as a protein source in Russian sturgeon (acipenser gueldenstaedtii brandt, 1833) diets
Karabulut, Huriye Arıman; Kurtoğlu, İlker Zeki; Altaş, Samet (Parlar Scientific Publications (P S P), 2017)The uses of hazelnut meal in Russian sturgeon (Acipenser gueldenstaedtii) diets were investigated. Hazelnut meal used in three different concentrations: I. Group (control) 0% HM, II. Group 15% HM and III. Group 45% HM, ...
