Dr. Derya Guroy
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Dr. Derya Guroy

Yalova University, Turkiye

Highest Degree
Ph.D. in Aquaculture from Canakkale Onsekiz Mart University, Turkiye

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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.

Area of Interest:

Animal and Veterinary Sciences
Protein Analysis
Fish Nutrition
Fish Health

Research Publications in Numbers


Selected Publications

  1. Kusku, H., M. Bulut, D. Guroy, S. Ergun, S. Bilen and A. A. Tekinay, 2011. Effects of dietary protein and lipid levels on growth and feed utilization of wild-caught striped sea bream, Lithognathus mormyrus. J. Applied Ichthyol., 27: 897-900.
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  2. Guroy, D., B. Guroy, D.L. Merrifield, S. Ergun, A.A. Tekinay and M. Yigit, 2011. Effect of dietary Ulva and Spirulina on weight loss and body composition of rainbow trout, Oncorhynchus mykiss (Walbaum), during a starvation period. J. Anim. Physiol. Nutr., 95: 320-327.
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  3. Dimitroglou, A., Merrifield D.L., O. Carnevali, S. Picchietti and M. Avella, 2011. Microbial manipulations timprove fish health and production - A Mediterranean perspective. Fish Shellfish Immunol., 30: 1-16.
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  4. Tekinay, A.A., N. Cevik and D. Guroy, 2010. Environmental impact of trout farms on the Esen Stream (Mugla), Turkey. Fresenius Environ. Bull., 19: 1290-1294.
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  5. Merrifield, D.L., D. Guroy, B. Guroy, M. Emery, C. Llewellyn, S. Skill and S.J. Davies, 2010. Preliminary assessment of Chlorogloeopsis as a dietary supplement for red tilapia (Oreochromis niloticus). Aquaculture, 299: 128-133.
  6. Ergun, S., D. Guroy, H. Tekesoglu, B. Guroy, I. Celik, A.A. Tekinay and M. Bulut, 2010. Optimum dietary protein level for Blue streak hap, Labidochromis caeruleus. Turk. J. Fish. Aquat. Sci., 10: 27-31.
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  7. Bulut, M., N. Gultepe, M. Mendes, D. Guroy and M. Palaz, 2010. According to canonical correlation, the evaluation of bluefish (Pomatomus saltatrix) blood chemistry. J. Anim. Vet. Adv., 9: 666-670.
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  8. Tekinay, A.A., D. Guroy, S. Ergun, M. Bulut and S. Bilen, 2009. Hazelnut meal in diets for seawater farmed rainbow trout (Oncorhynchus mykiss): Effects on growth performance and body composition. Italian J. Anim. Sci., 8: 625-632.
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  9. Tekinay, A.A., D. Guroy and N. Cevik, 2009. The environmental effect of a land-based trout farm on Yuvarlakcay. Turk. Ecol., 73: 65-70.
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  10. Tekinay, A.A., D. Guroy and E. Deveciler, 2009. Effects of dietary tuna by-products on feed intake and utilization of rainbow trout Oncorhychus mykiss. J. Fisheries Int., 4: 8-12.
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  11. Ergun, S., M. Soyuturk, B. Guroy, D. Guroy and D. Merrifield, 2009. Influence of Ulva meal on growth, feed utilization, and body composition of juvenile Nile tilapia (Oreochromis niloticus) at two levels of dietary lipid. Aquacult. Int., 17: 355-361.
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  12. Tekinay, A.A., A. Gouveia, D. Guroy and S.J. Davies, 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. J. Fisheries Int., 3: 98-104.
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  13. Gullu, K., D. Guroy, I. Celik and A.A. Tekinay, 2008. Optimal dietary protein levels in juvenile electric blue cichlid (Sciaenochromis fryeri). Israeli J. Aquac. Bamidgeh, 60: 261-267.
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  14. Guroy, B., S. Cirik, D. Guroy, F. Sanver and A.A. Tekinay, 2007. 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. Turk. J. Vet. Anim. Sci., 31: 91-97.
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  15. Diler, I., A.A. Tekinay, D. Guroy, B.K. Guroy and M. Soyuturk, 2007. Effects of Ulva rigida on the growth, feed intake and body composition of common carp, Cyprinus carpio L. J. Boil. Sci., 7: 305-308.
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  16. Guroy, D., E. Deveciler, B. Kut Guroy and A.A. Tekinay, 2006. Influence of feeding frequency on feed intake, growth performance and nutrient utilization in European sea bass (Dicentrarchus labrax) fed pelleted or extruded diets. Turk. J. Vet. Anim. Sci., 30: 171-177.
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