About
Professional Summary
Dr. Fehim Findik is currently working as Professor in Department of Metallurgical & Materials Engineering, Sakarya University, Turkey. He has completed his Ph.D. in Materials Science from Imperial College of Science, Technology and Medicine, London University, England, and M.Sc in Mechanical Engineering from Faculty of Mechanical Engineering, Istanbul Technical University, Turkey. He has published 5 books and chapters as well as 68 research articles in journals contributed as author/co-author.
Education
Academic Background
Editorial Services
Editorial & Publishing Roles
Editorial Board Member
Jun 2019 — Present
Serving as Editorial Board Member for Pakistan Journal of Biological Sciences.
Editorial Board Member
Jun 2019 — Present
Serving as Editorial Board Member for American Journal of Food Technology.
Editorial Board Member
Jun 2019 — Present
Serving as Editorial Board Member for International Journal of Zoological Research.
Editorial Board Member
Jun 2019 — Present
Serving as Editorial Board Member for Asian Journal of Biological Sciences.
Publications (34)
Selected Scholarly Contributions
Dietary pot marigold (Calendula officinalis) extract improved the growth performance, expression of digestive enzymes, antioxidant enzymes and immune-related genes in rainbow trout (Oncorhynchus mykiss)
Dogukan Kaya, Boran Karataş, Derya Guroy
Aquaculture International
| Journal Article
2025
Dietary inclusion of curry plant (Helichrysum italicum) extract in rainbow trout (Oncorhynchus mykiss) culture: Growth performance and gene expression related to digestion, antioxidant, and immune responses
Ayşegül Aydın, Dogukan Kaya, Boran Karataş, Derya Guroy
Journal of the World Aquaculture Society
| Journal Article
2025
Synergistic impacts of dietary supplementation of taurine, lysine and methionine in low fish meal diets on the growth performance, health status and liver histopathology of meagre (Argyrosomus regius)
Derya Güroy, Onur Karadal, Betül Güroy, Yılmaz Emre, Nesrin Emre, Durali Eraslan, Fatma Banu Yalım, Serhan Mantoğlu, Abdullah Demir
Animal Feed Science and Technology
| Journal Article
2025
Effect of biofloc technology in Farfantepenaeus aztecus culture: The optimization of dietary protein level on growth performance, digestive enzyme activity, non‐specific immune response, and intestinal microbiota
Ercument Genc, Dogukan Kaya, Munevver Ayce Genc, Emre Keskin, Hijran Yavuzcan, Derya Guroy, Ahmet Gurler, Koray Umut Yaras, Atakan Pipilos, Berna Funda Ozbek, Bilgenur Harmansa Yilmaz, Mevlut Aktas
Journal of the World Aquaculture Society
| Journal Article
2024
Effect of dietary mannan oligosaccharide inclusion on production parameters of Farfantepenaeus aztecus cultured in a biofloc system
Ercument Genc, Dogukan Kaya, Munevver Ayce Genc, Emre Keskin, Hijran Yavuzcan, Derya Guroy, Mevlut Aktas
Journal of the World Aquaculture Society
| Journal Article
2024
Geothermal water as a nutrient medium source on the biomass productivity and biochemical composition of Spirulina (Arthrospira platensis) under the greenhouse conditions
Betül Güroy, Derya Güroy, Serhan Mantoğlu, Onur Karadal, Sibel Bayil Oğuzkan
International Journal of Limnology
| Journal Article
2023
Effect of dietary celery (Apium graveolens) on the growth performance, immune responses, and bacterial resistance against Vibrio anguillarum of European seabass (Dicentrarchus labrax)
Derya Güroy, Betül Güroy, Soner Bilen, Osman Nezih Kenanoğlu, İzzet Şahin, Ertuğrul Terzi, Onur Karadal, Serhan Mantoğlu
Fish Physiology and Biochemistry
| Journal Article
2023
Utilization of Geothermal Water (Şanlıurfa-Karaali) Medium to Enhance DNA Protection and Phycocyanin in Spirulina platensis Production
Betul Guroy, Sibel Bayil Oguzkan, Derya Guroy
Aquaculture Studies
| Journal Article
2022
Effects of a natural hepatomodulator (Bedgen 40TMAS) on the growth performance, body indices, hematological and histological parameters of rainbow trout (Oncorhynchus mykiss) juveniles
Haluk Tekesoglu, Derya Guroy, Onur Karadal, Serhan Mantoglu, Betul Guroy, Ercument Genc
Journal of Applied Aquaculture
| Journal Article
2022
Effect of dietary modified zeolite (clinoptilolite) on growth performance of gilthead sea bream (Sparus aurata) in the recirculating aquaculture system
Dogukan Kaya, Ercument Genc, Dušan Palić, Münevver Ayce Genc, Nemanja Todorović, Huseyin Sevgili, Marko Vasiljević, Mahir Kanyılmaz, Derya Guroy
Aquaculture Research
| Journal Article
2022
Effect of dietary Spirulina (Arthrospira platensis) on the growth performance, immune‐related gene expression and resistance toVibrio anguillarumin European seabass (Dicentrarchus labrax)
Betül Güroy, Derya Güroy, Soner Bilen, Osman Nezih Kenanoğlu, Izzet Şahin, Ertuğrul Terzi, Onur Karadal, Serhan Mantoğlu
Aquaculture Research
| Journal Article
2022
Effects of dietary marine sulphated polysaccharides (Algimun®) on growth performance, immune responses and disease resistance of juvenile gilthead seabream (Sparus aurata) to Photobacterium damselae subsp. piscicida
Derya Güroy, Betül Güroy, Soner Bilen, Ertuğrul Terzi, Osman Nezih Kenanoğlu, María García-Suárez, Danièle Marzin, Serhan Mantoğlu, Onur Karadal, İzzet Şahin, Halit Kuşku
Fish & Shellfish Immunology
| Journal Article
2022
Evaluation of Biofloc Technology for Astacus leptodactylus: Effect of Different Stocking Densities on Production Performance and Physiological Responses
Doğukan Kaya, Ercüment Genç, Derya Güroy, Serhat Dinçer, Bilgenur Harmanşa Yılmaz, Hijran Yavuzcan
Acta Aquatica Turcica
| Journal Article
2021
Effect of prebiotics on the growth performance, haematological, biochemical, and histological parameters of African catfish (Clariasgariepinus) in recirculating aquaculture system
Ercüment GENÇ, Münevver Ayçe GENÇ, Doğukan KAYA, Faik Sertel SEÇER, Abdolsaleh QARANJİKİ, Derya GÜROY
TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES
| Journal Article
2020
Artificial sex reversal of white grouper (
Epinephelus aeneus
) utilizing aromatase inhibitor (Fadrozole)
Ece Evliyaoğlu, Orhan Tufan Eroldoğan, Hatice Asuman Yılmaz, Münevver Ayçe Genç, Ercüment Genç, Neil Duncan, Mevlüt Aktaş, Derya Güroy
Aquaculture Research
| Journal Article
2019
Dietary
Spirulina
(
Arthrospira platensis
, Gomont, 1892) improved the flesh quality and shelf life of rainbow trout (
Oncorhynchus mykiss
, Walbaum, 1792) fed fish meal or plant‐based diet
Betül Güroy, Derya Güroy, Serhan Mantoğlu, Kamil Çelebi, Oya Irmak Şahin, Selin Kayalı, Belkıs Canan
Aquaculture Research
| Journal Article
2019
Growth Performance, Body Composition, Haematological and Serum Parameters to Fish Meal Replacement by Soybean Meal and Cottonseed Meal in Russian Sturgeon (Acipenser gueldenstaedtii)
Nesrin EMRE, Derya GÜROY, Fatma Banu YALIM, Yılmaz EMRE, Betül GÜROY, Serhan MANTOĞLU, Onur KARADAL
Journal of Limnology and Freshwater Fisheries Research
| Journal Article
2018
The effects of dietary protein levels with amino acid supplementation on the growth performance, haematological profile and histology of meagre (Argyrosomus regius) in two different size classes
Derya Güroy, Onur Karadal, Betül Güroy, Serhan Mantoğlu, Kamil Çelebi, Olcay Şimşek, Orhan Tufan Eroldoğan, Münevver Ayçe Genç, Ercüment Genç
Aquaculture Research
| Journal Article
2017
Effects of dietary protein and lipid levels on growth and feed utilization of wild-caught striped sea bream, Lithognathus mormyrus.
Kusku, H., M. Bulut, D. Guroy, S. Ergun, S. Bilen and A. A. Tekinay,
J. Applied Ichthyol.,
| Journal Article

Derya Guroy
2011
Microbial manipulations timprove fish health and production - A Mediterranean perspective.
Dimitroglou, A., Merrifield D.L., O. Carnevali, S. Picchietti and M. Avella,
Fish Shellfish Immunol.,
| Journal Article

Derya Guroy
2011
Effect of dietary Ulva and Spirulina on weight loss and body composition of rainbow trout, Oncorhynchus mykiss (Walbaum), during a starvation period.
Guroy, D., B. Guroy, D.L. Merrifield, S. Ergun, A.A. Tekinay and M. Yigit,
J. Anim. Physiol. Nutr.,
| Journal Article

Derya Guroy
2011
Preliminary assessment of Chlorogloeopsis as a dietary supplement for red tilapia (Oreochromis niloticus).
Merrifield, D.L., D. Guroy, B. Guroy, M. Emery, C. Llewellyn, S. Skill and S.J. Davies,
Aquaculture,
| Journal Article

Derya Guroy
2010
Environmental impact of trout farms on the Esen Stream (Mugla), Turkey.
Tekinay, A.A., N. Cevik and D. Guroy,
Fresenius Environ. Bull.,
| Journal Article

Derya Guroy
2010
Optimum dietary protein level for Blue streak hap, Labidochromis caeruleus.
Ergun, S., D. Guroy, H. Tekesoglu, B. Guroy, I. Celik, A.A. Tekinay and M. Bulut,
Turk. J. Fish. Aquat. Sci.,
| Journal Article

Derya Guroy
2010
According to canonical correlation, the evaluation of bluefish (Pomatomus saltatrix) blood chemistry.
Bulut, M., N. Gultepe, M. Mendes, D. Guroy and M. Palaz,
J. Anim. Vet. Adv.,
| Journal Article

Derya Guroy
2010
The environmental effect of a land-based trout farm on Yuvarlakcay.
Tekinay, A.A., D. Guroy and N. Cevik,
Turk. Ecol.,
| Journal Article

Derya Guroy
2009
Hazelnut meal in diets for seawater farmed rainbow trout (Oncorhynchus mykiss): Effects on growth performance and body composition.
Tekinay, A.A., D. Guroy, S. Ergun, M. Bulut and S. Bilen,
Italian J. Anim. Sci.,
| Journal Article

Derya Guroy
2009
Influence of Ulva meal on growth, feed utilization, and body composition of juvenile Nile tilapia (Oreochromis niloticus) at two levels of dietary lipid.
Ergun, S., M. Soyuturk, B. Guroy, D. Guroy and D. Merrifield,
Aquacult. Int.,
| Journal Article

Derya Guroy
2009
Effects of dietary tuna by-products on feed intake and utilization of rainbow trout Oncorhychus mykiss.
Tekinay, A.A., D. Guroy and E. Deveciler,
J. Fisheries Int.,
| Journal Article

Derya Guroy
2009
Optimal dietary protein levels in juvenile electric blue cichlid (Sciaenochromis fryeri).
Gullu, K., D. Guroy, I. Celik and A.A. Tekinay,
Israeli J. Aquac. Bamidgeh,
| Journal Article

Derya Guroy
2008
Dietary nitrogen utilization in african catfish, Clarias gariepinus fed oil seed meal based diets under sub-optimal growth conditions consistent with a restricted feeding regime.
Tekinay, A.A., A. Gouveia, D. Guroy and S.J. Davies,
J. Fisheries Int.,
| Journal Article

Derya Guroy
2008
Effects of Ulva rigida and Cystoseira barbata meals as a feed additive on growth performance, feed utilization and body composition in Nile tilapia, Oreochromis niloticus.
Guroy, B., S. Cirik, D. Guroy, F. Sanver and A.A. Tekinay,
Turk. J. Vet. Anim. Sci.,
| Journal Article

Derya Guroy
2007
Effects of Ulva rigida on the growth, feed intake and body composition of common carp, Cyprinus carpio L.
Diler, I., A.A. Tekinay, D. Guroy, B.K. Guroy and M. Soyuturk,
J. Boil. Sci.,
| Journal Article

Derya Guroy
2007
Influence of feeding frequency on feed intake, growth performance and nutrient utilization in European sea bass (Dicentrarchus labrax) fed pelleted or extruded diets.
Guroy, D., E. Deveciler, B. Kut Guroy and A.A. Tekinay,
Turk. J. Vet. Anim. Sci.,
| Journal Article

Derya Guroy
2006