Aygül Ekici

ORCID: 0000-0003-1285-0304
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About
Contact & Profiles
Research Areas
  • Reproductive biology and impacts on aquatic species
  • Aquaculture Nutrition and Growth
  • Fish Biology and Ecology Studies
  • Sperm and Testicular Function
  • Animal Genetics and Reproduction
  • Fish Ecology and Management Studies
  • Aquaculture disease management and microbiota
  • Marine Bivalve and Aquaculture Studies
  • Environmental Toxicology and Ecotoxicology
  • Reproductive Biology and Fertility
  • Meat and Animal Product Quality
  • Identification and Quantification in Food
  • Marine Ecology and Invasive Species
  • Viral Infectious Diseases and Gene Expression in Insects
  • Aquatic Invertebrate Ecology and Behavior
  • Magnetic and Electromagnetic Effects
  • CRISPR and Genetic Engineering
  • Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities

Istanbul University
2012-2024

Council for Scientific and Industrial Research
2022

This study aimed to investigate the effects of different doses taurine added glucose extender. Semen was collected from rainbow trout (Oncorhynchus mykiss) by abdominal massage and diluted (1:2) with 300 mM (G) extender containing (50, 75 100 mM). The control group did not contain taurine. After dilution dosing, samples were filled 0.5 ml straws, frozen in nitrogen vapour stored liquid nitrogen. comparison results obtained for 50 showed no significant difference between post-thawing motility...

10.5504/bbeq.2012.0041 article EN Biotechnology & Biotechnological Equipment 2012-01-01

The present study evaluated the effects of dietary fish oil replacement with linseed or sesame on sperm quality and reproductive performance in rainbow trout (Oncorhynchus mykiss) during a 7-month feeding trial. Male (≈ 970 g) broodfish were fed three isonitrogeneous isolipidic formulated diets containing (FO diet), (LO diet) (SO diet). Commercial diet was to another group serve as control (CD). Growth not affected by diet. Slight variations volume, pH density recorded semen produced...

10.1111/are.15226 article EN Aquaculture Research 2021-03-16

The objective of this study was to demonstrate the effectiveness disinfection procedures reduce bacterial load rainbow trout, Oncorhynchus mykiss (Walbaum 1792), semen. Fresh semen obtained from 3–4-year-old male species by abdominal sampling sperm into pre-cooled test tubes. After cryopreservation and thawing, experiments were accomplished at 4–9°C. 'Swim-up' gradient centrifugation used as a washing method with commercial kits. Phosphate buffered saline also solution. Bacterial growth...

10.1111/are.12835 article EN Aquaculture Research 2015-07-03

Mature male and female rainbow trout (Oncorhynchus mykiss) were used to study the effect of different concentrations streptomycin in a cryopreservation solution on sperm motility, motility duration, fertilization rate trout. 300mM glucose 10% DMSO containing diluent was as solution. Three (3600, 7200 10800 μg/ml) added diluent. Our showed that various caused significant reduction percentage duration spermatozoa after freezing-thawing. The egg also decreased. When streptomycin-containing...

10.46989/001c.20749 article EN cc-by-nc-nd Israeli Journal of Aquaculture - Bamidgeh 2014-01-01

In this study, which was conducted between November 2017 and October 2018 at Gökçeada Island, the specific growth rate (SGR), a length–weight correlation with regression to determine pattern of mussel spat, survival rates Mediterranean spat were determined. mussels collected from wild (N = 120) grouped on each net 40). Then, chlorophyll-a, water temperature, salinity, pH particulate matter values monthly basis, in triplicate. The mean chlorophyll-a 0.21 ± 0.12 μg L−1, temperature 18.32...

10.1080/24750263.2020.1818856 article EN cc-by The European Zoological Journal 2020-01-01

Sperm motility is an important character for the assessment of milt quality and indicator to expected rate fertilization. Many factors can affect sperm motility, including nature water used as activator medium after stripping from male fish. The aim this study was gain spermatozoa improve kinematic parameters by applying a non-chemical method. effects magnetic field on samples hatchery exposed 2.71, 4.51 8.11 mT duration 12, 24 36 hours Salmo trutta labrax were investigated with...

10.1111/are.16104 article EN Aquaculture Research 2022-09-18

Electrofishing is a widely preferred method in freshwater. Freshwater conducts electric current at low levels. Therefore, relatively high voltage applied these waters. In this study, the effects of changes structure water after to on gamete quality and embryo-larvae survival rates were investigated. Water samples collected from central region tank (N), as well positive (+) negative (-) poles following application an 165 volts 3 mA for durations 15 30 minutes. Sperm kinematic velocity...

10.46989/001c.124901 article EN Israeli Journal of Aquaculture - Bamidgeh 2024-10-23

In this study, water and spermatozoa parameters were evaluated during the reproduction season, as well optimal conditions for retention of second polar body in Salmo coruhensis eggs obtained with heat-shock timing, intensity, duration UV irradiation gynogenetic production. Sperm was diluted 1:20 lightly modified Hank's Balanced Salt Solution, sperm manifesting 60% motility a dose 3600 kJ/cm2. The highest ratios eyed-stage, hatching larval survival 89.59 ± 2.18%, 82.86 3.11% 79.61 1.25%...

10.1111/are.15930 article EN Aquaculture Research 2022-06-08

This study was conducted to investigate the effects of Polyglycerol polyricinoleate, (PGPR; E-476) as a dietary emulsifier supplement with sunflower and linseed oil on zebrafish (Danio rerio) growth performance feed utilization. The control diet included only fish whereas other experimental diets 6% without PGPR at %0.06. A total 180 larvae were used in experiment. At end experiment, whole body samples taken for proximate fatty acid analysis. fed that contained PGPR, S0%L0% (PGPR), S6%L0%...

10.4194/aquast1052 article EN Aquaculture Studies 2022-12-14
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