Prof. Dr. Telat Yanik

Prof. Dr. Telat Yanik
Ataturk University · Department of Aquaculture, Faculty of Fisheries

Doctor of Aquaculture Engineering

About

86
Publications
21,445
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1,302
Citations
Additional affiliations
January 1989 - December 2015
Ataturk University
Position
  • Professor (Full)

Publications

Publications (86)
Article
In this research, Brown trout (Salmo trutta fario L., 1758) with 100±15 g from the fish production center of Aquaculture department of Fisheries Faculty at Ataturk university was used. The effects of addition of prebiotic (0 % prebiotic as control and 0.1 % prebiotic) to the fish diets was determined from a-90 days of feeding trial (Experiment 1) w...
Article
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Located at the junction between Europe, Africa, and Asia, with distinct evolutionary origins and varied ecological and geographical settings, together with a marked history of changes in orogeny and configuration of the main river basins, turned the Eastern Mediterranean into a region of high diversity and endemism of freshwater taxa. Freshwater m...
Article
Full-text available
Located at the junction between Europe, Africa, and Asia, with distinct evolutionary origins and varied ecological and geographical settings, together with a marked history of changes in orogeny and configuration of the main river basins, turned the Eastern Mediterranean into a region of high diversity and endemism of freshwater taxa. Freshwater mu...
Article
Full-text available
We aimed to investigate the influence of dietary vitamin E and diludine on growth and lipid peroxidation (malondialdehyde; MDA) in rainbow trout. Fish (1.5 g) were fed different dietary levels of vitamin E (0, 50 and 100 mg/kg) and diludine (0, 0.5 and 1 g/kg) for 10 weeks. Growth performance and feed conversion ratio (FCR) were significantly affec...
Article
Full-text available
The population structure of the bluefish, Pomatomus saltatrix (Linnaeus, 1766), in Turkish waters is scarcely described in the literature. To identify any distinct population units of bluefish, and reaffirm the findings of a previous study, four areas were selected: the Aegean Sea, western Black Sea, eastern Black Sea, and the Sea of Marmara. In th...
Article
Authors' Contribution DOO, SB, HIG and CY performed synthesis of the B4 compound. GA, AU, MK, VP, MA and TY tested B4 compound. AM and TY evaluated the data and wrote the manuscript. In this study, a mixture of a suitable chalcone and p-hydrazinobenzenesulfonamide hydrochloride in 1:1.1 mol ratio in ethanol (25 ml) in the presence of glacial acetic...
Article
Rainbow trout broodstocks were fed diets with varying levels of diludine [0 (D0; control), 0.25 (D1), 0.5 (D2) and 1 g kg⁻¹ (D3)] during 2 consecutive reproduction seasons. Fish were started to be fed 3 months before spawning for the first reproduction season and they were kept on the same diets as well as an additional dietary group with 3 g kg⁻¹...
Article
Full-text available
In the present study, the water quality was determined through cytogenotoxic endpoints by Allium cepa L. assay. Water samples were collected from nine sites selected according to the pollution level and large water discharge points into the Karaçomak River, Turkey. All of the tested water samples had a significant mitodepressive effect on the root...
Article
Full-text available
In this study, diet composition of bluefish Pomatomus saltatrix (Linnaeus, 1766) was investigated. A total of 512 bluefish samples were monthly collected from commercial fishing boats operating in the Sea of Marmara between January and December 2014. It was determined that the total length distribution of the samples varied between 12.3-47.3 cm. 36...
Article
In this study, it is aimed to investigate the potential effects of the use of quinoa as a carrier polymer in the production of edible film and the importance of essential oils (with lemon and sage oil) with highly important biological activity as supportive in this coating material. The rainbow trout fillets were wrapped with the edible film which...
Article
In this research, effects of chitosan coating of brown trout (Salmo trutta fario ) fillets containing inulin were determined. Chitosan enriched by vegetable oils (0% Chitosan‐control, 2% acetic acid +Chitosan, 2% sage oil+Chitosan, and 2% mint oil+Chitosan) on shelf life was investigated. In the experiment, fish fillets from the control and the exp...
Conference Paper
Based on the assumptions of many researchers, global warming and anthropogenic factors such as pollution, transporting and trading, as well as invasionism, lessepsianism, endangerism effect negatively and will continue to effect aquatic populations and their existence in the ecosystem and related habitats. Thus, it may be stated that climate warmin...
Article
Full-text available
The aim of this study was to investigate neurophysiological responses in rainbow trout brain tissue exposed to natural/botanical pesticides. Fish were exposed to botanical and synthetic pesticides over a 21-day period. At the end of the treatment period, oxidative DNA damage (indicated by 8-OHdG (8-hydroxy-2'-deoxyguanosine), AChE activity (acetylc...
Article
Full-text available
Aim of the study: The objectives of this study are to observe the monthly and annual changes in water samples using physical–chemical methods in order to determine the water quality properties, to reveal pollution problems, to determine the suitability of water quality for aquatic life and to classify the quality of water in accordance with the Sur...
Article
Full-text available
Owing to established impacts of mass migration, habitat loss and deforestation on biodiversity, it is imperative to investigate the global warming on aquaculture welfare and productivity. Our current understandings on impacts of altered climate dictate a weak relationship between global warming and naturally occurring migrations. However, several m...
Article
A feeding trial which lasted for eight weeks was conducted to investigate the effects of diludine, a growth promoter, on feed efficiency, muscle structure and proximate composition of juvenile rainbow trout. Diludine was added at 0.0(D0) 0.2(D1), 0.5(D2) and 1(D3) g kg⁻¹ to a casein-based diet, and every diet was given to the triplicated groups of...
Article
The goal of this study was to determinate toxicity mechanism of biopesticide with antioxidant enzymes parameters such as superoxide dismutase (SOD), glutathione peroxidase (GPx) and catalase (CAT) and malondialdehyde (MDA) levels, oxidative DNA damage (8-hydroxy-2-deoxyguanosine (8-OHdG)), transcriptional changes of heat shock protein 70 (HSP70), a...
Conference Paper
Within the scope of present study, the water quality of stream Karaçomak in Kastamonu-Turkey was investigated. Water samples were collected from 9 stations selected on Karaçomak stream, considering the pollution points and the points, where the entrance of water into stream is high. The samples taken were analyzed in terms of water temperature, pH,...
Article
The effects of isatin Mannich bases incorporating (1-[piperidin-1-yl (P1)/morpholin-4-yl (P2)/N-methylpiperazin-1-yl (P3)]methyl)-1H-indole-2,3-dione) moieties against human (h) carbonic anhydrase (CA, EC 4.2.1.1) isoenzymes hCA I and hCA II, acetylcholinesterase (AChE), and butyrylcholinesterase (BChE) enzymes were evaluated. P1-P3 demonstrated im...
Article
The effects of isatin Mannich bases incorporating (1-[piperidin-1-yl (P1)/morpholin-4-yl (P2)/N-methylpiperazin-1-yl (P3)]methyl)-1H-indole-2,3-dione) moieties against human (h) carbonic anhydrase (CA, EC 4.2.1.1) isoenzymes hCA I and hCA II, acetylcholinesterase (AChE), and butyrylcholinesterase (BChE) enzymes were evaluated. P1–P3 demonstrated im...
Article
Full-text available
Effects of zeolite have been described on the biochemical parameters of blood of Cyprinus carpio exposed to copper sulphate. The control fish showed 57.67% increase in body weight over a period of 90 days. This increase was 26.45% after exposure to copper sulphate (2mg/L) and 32.01% after Zeolite treatment (60 mg/L). When Zeolite was administered a...
Article
Full-text available
The objectives of this study were to observe the monthly and annual changes in water samples through physicochemical methods, to determine the water quality properties, to investigate the pollution problems, to determine the suitability level in terms of aquatic life, and to classify the water quality in accordance with the SWQMR criteria. This stu...
Article
Full-text available
A feeding trial was performed to assess any beneficial effect of three herbal oils; mint, thyme and sage oils containing 74 g kg-1 pulegone, 77 g kg-1 carvacrol and 76 g kg-11,8-cineole, respectively on growth performance, survival, fatty acid composition, and liver and kidney histology of rainbow trout (Oncorhynchus mykiss). Herbal oils were added...
Article
Full-text available
The Toxic Effects of Pesticides on Cyprinidae. The usage of pesticides has been day by day increased with the growing awareness about their utility in the agriculture production, aquaculture and public health. However, excess concentration levels of these compounds cause toxic effects to aquatic organisms. The level of toxicity changes with fish sp...
Conference Paper
Full-text available
This article deals with the problem of job performance, job satisfaction and job motivation for a human operator and aims to establish a correlation between them. The study was conducted at the University of Pitesti, in the Automotive Engineering Research Center and an economic unit of automotive industries. The sample was 90 employees, chosen with...
Article
Environmental pollutants, agricultural and industrial waste, emissions or pollution, the aquatic or terrestrial environment pouring also defined as chemicals from treated and untreated sewage. These toxic substances by interfering with the endocrine system of humans and animals physiology, endocrinology and general impact on the health aspects are...
Article
Full-text available
This study evaluated effects of dietary supplementation of sage (Salvia officinalis), mint (Mentha spicata) and thyme (Thymus vulgaris) oils on growth performance, lipid peroxidation level (melondialdehyde, MDA) and liver antioxidant enzyme activities (superoxide dismutase, SOD; catalase, CAT; glucose-6-phosphate dehydrogenase, G6PD; glutathione re...
Article
It is accepted that globalization, frequently confused with internationalization in higher education and science is inevitable wave of the future but is in fact something totally different. Modem technology, the internet the increasing ease of communication and the flow of students and highly educated personnel across borders enhances globalization...
Article
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In this study, it has been aimed to determine and record the monthly and seasonal changes in water quality parameters of Beydilli River rising from foots of Karakis Mountain constituting the border of Gülpınar Village located in Hafik district of Sivas and Kızılalan Village being affiliated with central district of Sivas city, passing through Karab...
Article
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Kurugöl Lake; Sivas province Hafik county Kurugöl village located within the boundaries of Sivas province, 54 km, Hafik the town 24 miles away, an area of 8.9 ha altitude of 1362 m, an average depth of 3.4 - 4 m with gypsum plateau on the bottom of the boiling water along with rainfall and snowmelt with the lake is fed naturally. Kurugöl (Hafik - S...
Article
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Heavy metals are among the most persistent of pollutants in aquatic systems due to their resistance to decomposition in nature. Four assessment methods (two pollution indexes and two fuzzy mathematical models - single-factor deciding and weighted average models) were used to check the level and characteristics of heavy metal pollution in the Karasů...
Article
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We investigated the effects of manganese (Mn) and nickel (Ni) stress on pigment (total chlorophyll and carotenoid), total soluble protein content and antioxidant enzyme [superoxide dismutase (SOD) guaiacol peroxidase (POD) and catalase (CAT)] activities in Lemna gibba under laboratory conditions. L. gibba was treated with exposures of Mn and Ni sep...
Article
Diludine is used as an effective agent reducing mutagenic effects of environmental pollutants, increasing productivity and protecting reproductive system of parental individuals and quality of their offspring. A 10‐week study was conducted to evaluate potential effects of diludine on rainbow trout (Oncorhynchus mykiss) juveniles growth performance,...
Article
Full-text available
Three feeding regimes were tested to determine their effects on growth, survival, and feed conversion in rainbow trout alevins for 60 days. In the first regime, the alevins were fed a starter feed consisting of 800 micron particles for the first 15-day period. For the following 15-day period, the alevins were given a starter feed consisting of 1200...
Article
It was aimed to take indigenous barbell, Barbus capito capito, living in Aras River in Erzurum in Turkey under semi or intensive culture. Mature fish were captured from Aras river and transferred to research and extension center unit for acclimation and for production intensively. Study was repeated 3 consequtive years 2006-2008. X-ray pictures wer...
Article
Full-text available
The effects of cadmium (Cd) on the enzymatic activities of glucose 6-phosphate dehydrogenase (G6PD) and 6-phosphogluconate dehydrogenase (6PGD) were investigated in the gill, liver and kidney tissues of rainbow trout (Oncorhynchus mykiss). Three test groups of fish were subjected to increasing concentrations (1, 3 and 5 mg/l) of cadmium (Cd) in viv...
Article
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A rapid polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) analysis was designed to examine genetic differentiation of some penaeid shrimps. Three hundred and fifty-six bp of cytochrome-b gene, a specific part of mitochondrial genome, was amplified with PCR to figure out differences between shrimp species Penaeus semisulc...
Article
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In this study, eggs of rainbow trout (Oncorhynchus mykiss), brown trout (Salmo trutta fario) and brook trout (Salvelinus fontinalis) were incubated under the same environmental conditions. Survival to eyed stage, during eyed stage, in yolk sac stage and until first feeding were calculated. Survival to eyed stage in rainbow and brown trout were stat...
Article
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The effects of 4 different scotophase, the dark phase of photoperiods, LD8:16 (8 h light:16 h dark), LDl2:12(12 h light: 12 h dark), LD16:8(16 h light: 8 h dark) and LD24:0 (24 h light: 0 h dark) on growth, feed conversion and survival rate of rainbow trout, Oncorhynchus mykiss fry with 2 g initial weight were investigated. The fry exhibited better...
Data
In present study, differences of organic fish from the cultured one was investigated with respect to moisture, crude protein, crude fat, dry matter and muscle fatty acid distribution. The experiment was carried out in 6 earthen ponds with 3 m × 2 m × 1 m dimensions at the farm in central research and extension center of agricultural faculty for 120...
Article
In present study, differences of organic fish from the cultured one was investigated with respect to moisture, crude protein, crude fat, dry matter and muscle fatty acid distribution. The experiment was carried out in 6 earthen ponds with 3 m × 2 m × 1 m dimensions at the farm in central research and extension center of agricultural faculty for 120...
Article
Full-text available
The effects of nettle ( Urtica diocia L.), containing natural antioxidants, on chemical properties of rainbow trout ( Oncorynchus mykiss ) fillets were investigated. Thiobarbituric acid reactive substance (TBARS), total antioxidant activity, total volatile bases nitrogen (TVB-N) and pH values were measured from rainbow trout fillets treated with ne...
Article
Freshwater rainbow trout were exposed to 1, 3 and 5 mg/kg of Cd chloride and carbonic anhydrase (CA) activities from gill, erythrocyte, liver and kidney were determined at days 0, 1, 3, 5 and 7 in vivo. CA enzymatic activities measured from gill, liver, kidney homogenates and erythrocyte hemolyzate were inhibited by all of the concentrations of Cd...
Article
Full-text available
In vitro susceptibilities of 30 Aeromonas salmonicida strains isolated from rainbow trout ( Oncorhynchus mykiss ) were determined against to 23 antimicrobials by using disc diffusion method. According to antimicrobial susceptibility tests results, A. salmonicida strains were found susceptible to all antibiotics tested except for the ampicilin and v...
Article
Full-text available
Oxygenating and degassing columns, simple effective devices for economically adding oxygen to water, have been used suc- cessfully in aquaculture. Increasing the oxygen content of water enables fish culturists to increase fish loads and improve the rearing environment. Tests conducted in the present study were to evaluate the effectiveness of the c...
Article
Hisar, O., Beydemir, Ş., Bülbül, M. and Yanik, T. 2006. Kinetic properties of carbonic anhydrase purified from gills of rainbow trout (Oncorhynchus mykiss). J. Appl. Anim. Res., 30: 185–188.Kinetic behavior and some properties of carbonic anhydrase enzyme purified from gills of rainbow trout (Oncorhynchus mykiss) were studied at 4C. The purificatio...
Article
Full-text available
Kocaman, E.M., Bayir, A., Sirkecioğlu, A.N., Cengiz Bayir, M. and Yanik, T. 2006. Growth of trout juveniles (Oncorhynchus mykiss, Salvelinus fontinalis and Salmo trutta fario) under uniform cultural conditions. J. Appl. Anim. Res., 30: 73–75. Growth of trout juveniles namely rainbow trout (Oncorhynchus mykiss), brown trout (Salmo trutta faria) and...
Article
Full-text available
The changes of copper, zinc, iron, magnesium, manganese, and triiodothyronine as a result of short- and long-term isothermal exposure to light were determined in the plasma of mirror carp (Cyprinus carpio). Two groups of fish were subject to a 3-mo treatment that consisted of (1) 8 h of light followed by 16 h of darkness and (2) 16 h of light follo...
Article
Full-text available
Beydemir, Ş. Gülçin, İ., Hisar, O., Küfrevioğlu, Ö.İ. and Yanik, T. 2005. Effect of melatonin on glucose-6-phosphate dehydrogenase from rainbow trout (Oncorhynchus mykiss) erythrocytes in vitro and in vivo. J. Appl. Anim. Res., 28: 65–68.The in vitro and in vivo effects of melatonin on rainbow trout (Oncorhynchus mykiss) erythrocyte glucose-6-phosp...
Article
This study was conducted to determine profitability and feasibility of rainbow trout farms by investment analysis in Tokat-Turkey. The criteria of Net Present Value (NPV), Cost-Benefit Ratio (CBR) and internal Rate of Return (IRR) were used for investment analysis: Three different discount rates (10%, 8% and 5%) were used to get the NPV and CBR. Th...
Article
Full-text available
The objective of this study was to examine the effects of various lighting regimes on the plasma thyroxin hormone (T4) level of mirror carp (Cyprinus carpio). The carp were kept at the low temperature of 9°C to eliminate any influence of water temperature on feed intake, growth, and the hormone level. Treatments were 8 h light:16 h dark, 12 h light...
Article
Traditional treatments of parasitic and bacterial disease in aquaculture are based on chemotherapeutic compounds. Although, a lot of compounds are used on fish treatment, their undesirable effects are not known in detail. In this study, the effects of some disinfectants - malachite green, methylene blue, potassium permanganate, chloramine-T, copper...
Article
The changes in glucose, cholesterol and Triglyceride (TG) levels were investigated during reproductive process stages of rainbow trout (Onchorhynchus mykiss). TG level decreased significantly from maturation to spawning in both sexes. Cholesterol levels fluctuated significantly during reproduction period. Glucose levels increased at maturation then...
Article
The effect of a bacteriocin-producing strain, Lactobacillus sakei Lb706, on the behavior of Listeria monocytogenes in rainbow trout fillets stored under vacuum at 4°C for 14 days and at 10°C for 5 days was investigated. At 4°C. growth of L. monocytogenes was significantly inhibited (P < 0.05) by L. sakei Lb706 during 10 days of storage while bacter...
Article
Full-text available
Microbial (psychrotrophic, mesophilic aerobic bacteria and Enterobacteriacae counts), and chemical analysis [pH, total volatile bases nitrogen (TVB-N), lipid oxidation (Thiobarbituric acid reactive substance, TBARS)] of rainbow trout (Oncorynchus mykiss) fillets in air (control), vacuum and modified atmosphere packaging (MAP) with various gas mixtu...
Article
Considering that the excessive usage of vitamin E causes hypervitaminosis and thus reduces blood erythrocyte concentrations, therefore it is worth studying how its pharmacological dosage affects the activity of carbonic anhydrase (CA) enzyme found in erythrocytes of rainbow trout (Oncorhynchus mykiss) in vitro and in vivo. Vitamin E inhibited CA en...
Article
The effects of ammonia and urea on branchial carbonic anhydrase (CA) enzyme which plays a key role in ionoregulation, osmoregulation and acid-base balance of rainbow trout (Oncorhynchus mykiss) were investigated. CA activity of the control group for ammonia and urea was determined as 1285.7 ± 67.9 and 1261.7 ± 60.8EU/mg protein, respectively. The C...
Article
Carbonic anhydrase (CA) from erythrocytes of rainbow trout Oncorhynchus mykiss was purified by affinity chromatography through a process comprising hemolysate preparation, sepharose- 4B-l-tyrosine-sulfanylamide affinity gel chromatography, and dialysis. Then the effects of three antibiotics—sodium ampicillin, streptomycin, and trimethoprim plus sul...
Article
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The effects of Ohio State University (OSU) meal (a mixture of blood meal, meat and bone meal, poultry by-products and feather meal), as partial or total replacement of fish meal was investigated. Thirty-two fish tanks, each containing 30 rainbow trout (initial mean weight 1.93 g), were fed one of 10 diets (the control had only two replicates) conta...
Article
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An allelic cross between Salmo trutta fario and Salvelinus alpinus was carried out under controlled hatchery conditions. Survival to the eyed stage was significantly lower for the hybrid than for both purebreds. There were significant differences in survival in the eyed and yolk sac stages and from fertilization to the first feeding (p<0.05) betwee...
Article
Full-text available
Rainbow trout reared in fresh water were exposed to a sublethal concentration of mancozeb (1/2 of LC50 = 1.1 mg/l) at 24 h intervals, for 3 weeks in tanks containing 780 l water under natural light conditions with a constant flow (1.5 l min-1) of aerated dechlorinated tap water at 9-11°C and with no recirculation. Approximately 2 cc venous blood wa...