Date of birth
Address Dept. of Animal Science, Faculty of Agriculture, Ankara
University, Ankara 06110-Turkey
Area of Expertise: Poultry Nutrition
(2003--) Professor, Ankara University, Faculty of Agriculture, Ankara-Turkey
(1996-2003) Associate Professor, Ankara University, Faculty of Agriculture,
(1996-1998) Post doc. University of Nebraska-Lincoln, Animal Science
(1989-1993) P.hD. Ankara University, Faculty of Agriculture,
(1987-1989) M.Sc. Ankara University, Faculty of Agriculture,
(1983-1987) B.Sc. Ankara University, Faculty of Agriculture,
1.Vice Dean of Faculty of Agriculture, 2017-2020
2. Chair of Feeds and Animal Nutrition
2. President of the Association of
Scientific Animal Nutrition, 2007-2009
3. Board Member of WPSA(World Poultry Science
Association) Turkish Branch.
4. Member of Working Group 2 (Nutrition)
of WPSA since 2011
5.Nutrition and R&D Consultant of BEYPİ, one of the biggest Broiler and Layer Company in
Turkey, since 2019-
Necmettin Ceylan is currently a Professor at the Department of Animal
Science, Faculty of Agriculture of Ankara University, Turkey. He received both
his M.Sc. and Ph.D. from Ankara University. He has conducted laying hen researches during his stay at University of
Nebraska, USA between years 1996-1998 as post doc. He is member
of Working Group 2 (Nutrition) of WPSA and Association of Scientific Animal Nutrition.
His researches in poultry nutrition actively involved in
applied nutrition trials of broilers and laying hens including feed ingredients
and feed additives such as amino acids, minerals and bioactive supplements,
exogenous enzymes, organic acids related to growth, performance, gut health and
meat and egg quality.
He has been also conducting R&D projects with Beypiliç , one of the biggest broiler integration company in Turkey, on broiler nutrition and feeds, and currently completed over 30 trials since 2006.
has published 25 peer reviewed papers in web of science journals, over
40 published articles and 35 abstracts in national and international
conferences and meetings.
Selected Publications in Web of Science
CEYLAN, N., EVRENKAYA, E., LANCKRIET,A.
2022. Efficacy of the probiotic Bacillus licheniformis DSM 28710 in laying hens
fed barley-sunflower meal-based diets on performance egg quality and excreta
composition. Journal of Animal and Feed Sciences, 31, 3, 2022, 241–248. DOI: https://doi.org/10.22358/jafs/149388/2022
ÇİFTÇİ, İ., CEYLAN, N. 2022. Effects of DL- and L-methionine
supplementation on growth performance, carcass quality and relative
bioavailability of methionine in broilers fed maize-soybean-based diets. Journal
of Animal and Feed Sciences, 31, 2. DOI: https://doi.org/10.22358/jafs/147800/2022
CEYLAN N., KOCA S., GOLZAR ADABİ S., KAHRAMAN
N., BHAYA M.N., BOZKURT M.F. (2021): Effects of dietary energy level and
guanidinoacetic acid supplementation on growth performance, carcass quality and
intestinal architecture of broilers. Czech J. Anim. Sci. https://doi.org/10.17221/11/2021-CJAS
TOPRAK N.N., YAVAŞ İ., ÇENESİZ A.A., CEYLAN N., ÇİFTÇİ İ. (2021): Effects of digestible amino acid based formulation of low protein broiler diets supplemented with valine, isoleucine and arginine on performance and protein efficiency. Czech J. Anim. Sci., 66: 168–178. https://doi.org/10.17221/293/2020-CJAS
CEYLAN N, KOCA, S, YAVAŞ, İ., ÇENESİZ A.A:, KAHRAMAN N., ÖZLÜ Ş. 2020. Response of modern broiler chickens to dietary calcium and phosphorus levels below recommendations. Italian Journal of Animal Science. 19:1, 1246-1254, DOI:10.1080/1828051X.2020.1819171
ÇENESİZ, A., YAVAŞ, İ., ÇİFTÇİ İ., CEYLAN N., TAŞKESEN, O. 2020. Guanidinoacetic acid supplementation is favourable to broiler diets even containing poultry by-product meal. British Poultry Science https://doi.org/10.1080/00071668.2020.1720909
YAVAŞ, İ., ÇENESİZ, A., CEYLAN N.,2020. Effects
of herbal vitamin D3 and phytase Supplementation to broiler feed on
performance, bone development and serum parameters of broilers . Journal of Agricultural Sciences 26 (2020) 212-219 DOI: 10.15832/ankutbd.479182
GOLZAR ADABİ, S., CEYLAN N.,
ÇİFTÇİ İ., CEYLAN A. 2019 Response of growing chicks to supplementation
of low protein diets with leucine, valine and glycineglutamic acid. South African Journal of Animal Science 2019, 49(6):1047-1062. http://dx.doi.org/10.4314/sajas.v49i6.9
YILDIZ T, CEYLAN N,
ATIK Z, KARADEMIR E, ERTEKIN B. 2018 Effect of corn distillers dried
grains with soluble with or without xylanase supplementation in laying hen diets on performance, egg quality and intestinal viscosity. Kafkas Univ Vet Fak Derg, 24 (2): 273-280, 2018. DOI: 10.9775/kvfd.2017.18832
TAŞDELEN, EÖ., CEYLAN,N.,2017.
Effects of Dietary Inclusion of Oil Sources With
or Without Vitamin E on Body Composition and Meat Oxidation Level in Broilers. Brazilian
Journal of Poultry Nutrition. ISSN 1516-635X Jan - Mar 2017.Special Issue
Nutrition / 103-116
GOLZAR ADAB,S.,,FANİ, A., CEYLAN,N., HAJİBABAEİ, A. and CASEY.,N.H. 2016. Enrichment of quail (Coturnix cot. japonica) eggs by omega-3
fatty acids andits nutritional effect on young healthy women. Europ.Poult.Sci., 80. 2016,
ISSN 1612-9199, DOI: 10.1399/eps.2016.149
YENİCE,E., MIZRAK,C., CEYLAN,N.,YILDIZ,T., GÜLTEKİN,M., ATİK,Z.,2015.Effects of Dietary
Sodium Bentonite and Mannan Oligosaccharide Supplementation on Performance, Egg
Quality, Blood and Digestion Characteristics of Laying Hens Fed Aflatoxin
Contaminated Diet. Kafkas Univ Vet Fak
Derg 21(2):211-218. DOI: 10.9775/kvfd.2014.12035
MIZRAK,C., YENİCE, E., KAHRAMAN, Z., TUNCA, M.,
YILDIRIM, U., CEYLAN, N. 2014. Effects
of dietary sepiolite and mannanoligosaccharide supplementation on the
performance, egg quality, blood and digestion characteristics of laying hens receiving
aflatoxin in their feed.Veterinary Journal of Ankara University. Vol: 61, 65-71.
ADABI,S.H.,M. AHBAB, A. R. FANI, A. HAJBABAEI, N.CEYLAN and R. G. COOPER. 2013. Egg yolk fatty acid proﬁle of avian species – inﬂuence on human nutrition.Journal of Animal Physiology and Animal Nutrition.97 (2013) 27–38
ÇÖRDÜK,M., GRIGOROV,A., ADABI,S.G.,2012.The Effects of Phytase
Supplemantation and Dietary Phosphorus Level on Performance and Tibia
Ash and Phosphorus Contents in Broilers Fed Maize-Soya Based Diets. Journal of Animal and Feed Sciences, 21, 2012, 696–704.
ADABI, S.G., COOPER; R.G., CEYLAN,N., CORDUK,M. 2011. L-Carnitine and Its Functional Effects in Poultry Nutrition.World's Poultry Science Journal,Vol.67(2):277-296
CEYLAN, N., İÇİFTÇİ,İ., MIZRAK, C., KAHRAMAN, Z., Efil, H. 2011. Influence of different dietary oil sources on performance and fatty acid profile of egg yolk in laying hens. Journal of Animal and Feed Sciences, 20, 2011, 71–83
ASGHARI HAJI, Y., ADABI, S.G., CEYLAN, N., KAMALI,
M.A., AND DAVOUDI,J., 2008.Use of Terbutaline to Reduce Incıdence of
Ascites Syndrome in Native Tom Turkeys. Asian Journal of Animal and
Veterinary Advances 3 (6) :417-423.
ÇÖRDÜK, M., CEYLAN, N., DEDE, N. and TEL, O.Y. 2008. Effects of novel feed additives on Performance Carcass Traits and E.coli, aerobic bacteria and yeast counts in broilers.Arch.Geflügelk., 72(2).s: 61-767
ÇÖRDÜK, M., CEYLAN, N. and F.ILDIZ
2007. Effects of Dietary Energy Density and L-Carnitine
Supplementattion on Growth Performance, Carcass Traits and Blood
parameters of Broilers. South African Journal of Animal Science, 37 (2) p: 65-73
ÇİFTÇİ, İ. and CEYLAN, N. 2004.
Effects of Dietary Threonine and Crude Protein on Performance,
Threonine Requirement, Carcass Traits and Meat Composition of Broiler
Chickens. British Poultry Science , vol:45, Number:2, p:280-289.
CEYLAN, N., S.E.SCHEIDELER and L.STILBORN.2003..High Available Phosphorus Corn and Phytase in Layer Diets. Poultry.Sci., Vol:82, Number :3, p:789-795
İ.ÇİFTÇİ, Z.İLHAN.2003. Effects of Some Alternative Feed Additives for
Antibiotic Growth Promoters on Performance and Gut Microflora of
Broilers. Turk J Vet Anim Sci. Vol:27, Issue: 3, p: 727-733
Writing Book Section
N. 2001. Minerals, Vitamins and Stability in Animal Nutrition.
Principles of Livestock Nutrition and Some Scientific Approaches in
Concentrate Production. Figür Tanıtım Reklam ve Matbacılık. İstanbul.
ISBN: 975-97831-0-X. PP: 427-476.