Tayo Adedokun

Tayo Adedokun

Assistant Professor
Instruction
Research

Tayo.Adedokun@uky.edu
Phone (859) 257-3821
Fax (859) 257-2534

Department of Animal and Food Sciences
606 W. P Garrigus Building
Lexington KY 40546-0215

Specialties
Nutrition

Education

Ph.D., Animal Sciences (Poultry Nutrition), Purdue University, 2007
M.S., Animal Sciences (Non-ruminant Nutrition), Purdue University, 2004
M. Phil., Animal Sciences, Obafemi Awolowo University, Nigeria
B.S., Animal Sciences, Obafemi Awolowo University, Nigeria

Areas of Specialization

Poultry nutrition (broiler, laying hen, turkey)

Swine nutrition

Digestive physiology

Research Interests

Evaluation of alternative sources of feed ingredients

Dietary manipulations to reduce environmental pollution from nonruminant animal production

Evaluation of the effects of factors (dietary, age, intestinal challenge/stressors) that influence markers of inflammation, nutrient transporters and gut integrity mRNA gene expression and how this information can be used to optimize nutrient and energy utilization by poultry and pigs

Evaluation of the role of nutrients, exogenous enzymes, feed additives, and antinutritional factors in poultry and swine gut health and performance (growth and development)

Membership in Professional Organizations 

Poultry Science Association, PSA (2002-Present)

World’s Poultry Science Association, WPSA (2005-Present)

American Society of Animal Science, ASAS (2002-Present)

Ad Hoc Reviewer for Animal and Poultry Science Journals 

Poultry Science

Journal of Applied Poultry Research

Journal of Animal Science

Canadian Journal of Animal Science

Animal

Awards

Purdue University Animal Science Department LOUJA Ph.D. student presentation travel award (June 2007)

Recognition for high scholarship and outstanding achievement, Gamma Sigma Delta Honor Society of Agriculture, Purdue University Chapter (March 2007)

International Ingredient Corporation – Pinnacle Graduate Student Recognition Award (June 2006)

Purdue University Animal Science Department LOUJA Ph.D. student presentation travel award (June 2006)

Refereed Journal Articles

Adedokun, S.A., A. Owusu-Asiedu, D. Ragland, P. Plumstead, and O. Adeola. The efficacy of a new 6-phytase from Buttiauxella spp. expressed in Trichoderma reesei on digestibility of amino acid, energy and nutrients in pigs fed a diet based on corn, soybean meal, wheat middllins and corn distillers’ dried grains with solubles. In press (Journal of Animal Science).

Adedokun, S.A. and T.J. Applegate. 2014. Dietary electrolyte balance influences ileal endogenous amino acid losses in broiler chickens. Poultry Science. 93:935-942.

Adedokun, S.A., P. Jaynes, M.E. AbdEl-Hack, R.L. Payne, and T.J. Applegate. 2014. Standardized ileal amino acid digestibility of meat and bone meal and soybean meal in laying hens and broilers. Poultry Science. 93:420–428.

Lu, H., S.A. Adedokun, O. Adeola, and K. M. Ajuwon. 2014. Anti-inflammatory effects of non- antibiotic alternatives in coccidial challenged broiler chickens. Journal of Poultry Science.  51:14-21.

Adedokun, S.A. and O. Adeola.  2013. Calcium and phosphorous digestibility: Metabolic limits. (Review paper). Journal of Applied Poultry Research. 22:600-608.

Lu, H., S.A. Adedokun, A. Preynat, V. Legrand-Defretin, P. A. Geraert, O. Adeola and K. M. Ajuwon. 2013. Impact of exogenous non-starch carbohydrases and phytase on growth performance and nutrient digestibility in broilers. Canadian Journal of Animal Science. 93:243- 249.

Adedokun, S.A, K.M. Ajuwon, L.F. Romero, and O. Adeola. 2012. Ileal endogenous amino acid losses response of broiler chickens to fiber and mild coccidial vaccine challenge. Poultry Science. 91:899-907.

Adapala, V.J., S.A. Adedokun, R.V. Considine, and K.M. Ajuwon. 2012. Acute inflammation plays a limited role in the regulation of adipose tissue COL1A1 protein abundance. Journal of Nutritional Biochemistry.  23:567-572.

Adedokun, S.A., O. Adeola, C. M. Parsons, M. S. Lilburn, and T. J. Applegate. 2011. Review: Factors affecting endogenous amino acid flow in chickens and the need for consistency in methodology (Review). Poultry Science. 90:1737-1748.
Adedokun, S.A., P. Utterback, C.M. Parsons, O. Adeola, M.S. Lilburn, and T. J. Applegate. 2009. Comparison of amino acid digestibility of feed ingredients in broilers, laying hens and cecectomized roosters. British Poultry Science. 50:350-358.

Adedokun, S.A., P. Utterback, C.M. Parsons, O. Adeola, M.S. Lilburn, and T. J. Applegate. 2009. Comparison of endogenous amino acid flow in broilers, laying hens and cecectomized roosters. British Poultry Science. 50:359-365.

Applegate, T.J, Adedokun, S.A., W. Powers, and R. Angel. 2008. Determination of nutrient mass balance in turkeys. Poultry Science. 87:2477-2485.

Adedokun, S.A., O. Adeola, C.M. Parsons, M.S. Lilburn, and T. J. Applegate. 2008. Standardized ileal amino acid digestibility of plant source ingredients in broiler chickens and turkey poults using a nitrogen-free or casein diet. Poultry Science. 87:2535-2548.

Fleet, J.C., C. Gliniak, Z. Zhang, Y. Xue, K.B. Smith, R. McCreedy, and S.A. Adedokun. 2008. Serum metabolite profiles and target tissue gene expression define the effect of cholecalciferol intake on calcium metabolism in rats and mice. Journal of Nutrition. 138 (6):1114-1120.

Adedokun, S.A., C.M. Parsons, M.S. Lilburn, O. Adeola, and T. J. Applegate. 2007. Standardized ileal amino acid digestibility of meat and bone meal from different sources in broiler chicks and turkey poults using a nitrogen-free or casein diet. Poultry Science. 86:2598- 2607.

Adedokun, S.A., M.S. Lilburn, C.M. Parsons, O. Adeola, and T. J. Applegate. 2007. Endogenous amino acid flow in broiler chicks is affected by the age of birds and method of estimation. Poultry Science. 86:2590-2597.

Adedokun, S.A., C.M. Parsons, M.S. Lilburn, O. Adeola, and T. J. Applegate. 2007. Effect of age and method on the ileal flow of endogenous amino acids in turkey poults. Poultry Science. 86:1948-1954.

Adedokun, S.A., C. M. Parsons, M. S. Lilburn, O. Adeola, and T. J. Applegate. 2007. Comparison of ileal endogenous amino acid and total amino acid flow in turkey poults and broiler chicks. Poultry Science. 86:1682-1689.

Nyannor, E.K.D., S.A. Adedokun, B.R. Hamaker, G. Ejeta, and O. Adeola. 2007. Nutritional evaluation of high-digestible sorghum for pigs and broiler chicks. Journal of Animal Science 85:196-203.

Adedokun, S.A. and O. Adeola. 2005. Apparent metabolizable energy value of meat and bone meal for white Pekin ducks. Poultry Science 84:1539-1546.

Adedokun, S.A. and O. Adeola. 2005. Metabolizable energy value of meat and bone meal for Pigs. Journal of Animal Science.  83:2519-2526.

Jendza, J. A., R. N. Dilger, S.A. Adedokun, J. S. Sands, and O. Adeola. 2005. Escherichia coli phytase improves growth performance of starter, grower, and finisher pigs fed phosphorus- deficient diets. Journal of Animal Science. 83:1882-1889.

Adedokun, S.A., J.S. Sands, and O. Adeola 2004. Determining the equivalenct phosphorus released by an Escherichia coli-derived phytase in broiler chicks. Canadian Journal of Animal Science. 84:437-444.

Adedokun, S.A. and E.B. Sonaiya. 2002. Crossbreeding Nigeria indigenous with the Dahlem Red chickens for improved productivity and adaptability. Arch. Tierz., Dummerstorf 45:297- 305.

Adedokun, S.A. and E.B. Sonaiya. 2001. Comparison of the performance of Nigerian indigenous chickens from three agro-ecological zones. Livestock Research for Rural Development (13) 2. http://www.cipav.org.co/lrrd/lrrd13/2/aded132.html

Invited Symposium Presentations

Adedokun, S.A. and T.J. Applegate. 2013. Diet formulation on digestible amino acid basis: Merits and demerits. Presented at the Multi-State Poultry Feeding and Nutrition conference held at Marriott East Hotel, Indianapolis. May 21-23, 2013.

Adedokun, S.A. and O. Adeola.  2012. Calcium and phosphorous digestibility: Metabolic limits. Presented as a part of the Informal Nutrition Symposium “Metabolic Responses to Nutrition and Modifiers” at the Poultry Science Association’s annual meeting in Athens, Georgia, July 9, 2012.

Adedokun, S.A., O. Adeola, C. M. Parsons, M. S. Lilburn, and T. J. Applegate. 2007. Methodology for endogenous flow estimates for standardization of digestible amino acids. Paper presented at the 2007 Poultry Science Association meeting in San Antonio, Texas. Poult. Sci. 86(Suppl. 1):395.

Research Abstracts

Adedokun, S.A., A.J. Pescatore, M.J. Ford, J.P. Jacob, and T. Ao. 2016. Examining the effect of high dietary calcium on ileal endogenous amino acid losses and standardized ileal amino acid digestibility in broilers. Poult. Sci. 95(E-Suppl. 1):91

Adedokun, S.A., A.J. Pescatore, M.J. Ford, J.P. Jacob, and T. Ao. 2016. Evaluating the effect of dietary calcium levels on ileal endogenous amino acid losses and standardized ileal amino acid digestibility in laying hen. Poult. Sci. 95(E-Suppl. 1):136

Jacob, J.P., A.J. Pescatore, M.J. Ford, T.M. Fisher, S.A. Adedokun, and T. Ao. 2016. Growth performance of broiler chickens and heritage breeds raised on pasture. Poult. Sci. 95(E-Suppl. 1):125

Jacob, J.P., A.J. Pescatore, M.J. Ford, T.M. Fisher, S.A. Adedokun, and T. Ao. Carcass yield of broiler chickens and heritage breeds raised on pasture. Poult. Sci. 95(E-Suppl. 1): 125

Jacob, J.P., A.J. Pescatore, M.J. Ford, T.M. Fisher, Harold D. Gillespie, S.A. Adedokun, and T. Ao. 2016. Effect of raising different breeds of chicken on pasture on skeletal development. Poult. Sci. 95(E-Suppl. 1):126

Adedokun, S., A. Pescatore, A. Cantor, M. Ford, J. Jacob, T. Ao, and A. Helmbrecht. 2016. Energy source and not dietary electrolyte balance influenced ileal endogenous amino acid losses in 21 d-old broilers fed nitrogen-free diets. Poult. Sci. 95(E-Suppl. 1):287

Adedokun, S., A. Pescatore, A. Cantor, J. Jacob, M. Ford, T. Ao, and A. Helmbrecht. 2016. Examining the effect of dietary electrolyte balance, energy source, and length of feeding of nitrogen-free diets on ileal endogenous amino acid losses in broilers Poult. Sci. 95(E-Suppl. 1):242

Adedokun, S.A., A. Helmbrecht, and T.J. Applegate. 2014. The effect of mild coccidial vaccine challenge on apparent and standardized ileal amino acid digestibility in 21- and 42-d old broilers. To be presented at Poultry Science Association meeting at Corpus Christi, Texas. July 14-17, 2014.

Adedokun, S.A. and O. Adeola. 2014. Response of pigs in ileal endogenous amino acid losses to different dietary fiber types determined using the regression method. To be presented at American Society of Animal Science meeting at Kansas City, Missouri. July 20-24, 2014.

Adedokun, S.A. and T.J. Applegate The effect of dietary electrolyte balance on ileal endogenous amino acid losses in 48-d old broiler chickens. To be presented at the IPSF, Atlanta Jan 27-28, 2014.

Adedokun, S.A. and T.J. Applegate. 2013. Broiler chicks’ response to high dose of coccidia vaccine challenge on nutrient and energy utilization, gut inflammation, and nutrient transporters. Poult. Sci. 92 (E-suppl. 1): 63.

Adedokun, S. A., A. Owusu-Asiedu, P. Plumstead, and O. Adeola. 2013. The efficacy of graded levels of a new 6-phytase from Buttiauxella spp. expressed in Trichoderma reesei on ileal amino acid digestibility in pigs fed a corn-soybean meal-wheat midds-corn DDGs-based diet. J. Anim. Sci., 91, (Suppl. 2): 411.

Adedokun, S.A., C. Nelson, M. Roux, N. Augspurger, and T.J. Applegate. 2013. Efficacy of a higher dose of OptiPhos® phytase and dietary phosphorus concentration on broiler performance. Poult. Sci. 92 (E-suppl. 1): 225.

Adedokun, S.A., L. Xu, and T.J. Applegate. 2012. Does formulation on a Digestible Basis for amino Acid Make Productive and Economic Sense for Laying Hens? Poult. Sci. 91 (Suppl. 1): 38.

Thomas, C.L., S.A. Adedokun, and T.J. Applegate. 2012. Effect of mild coccidia vaccine challenge on dry matter, energy, and nitrogen utilization in 21- and 42- day old broilers. Poult. Sci. 91 (Suppl. 1): 143.

Adedokun, S.A., P. Jaynes, R.L. Payne, and T.J. Applegate. 2012. Standardized ileal amino acid digestibility of feed ingredients in laying hens and broilers. Poult. Sci. 91 (Suppl. 1): 206.

Adedokun, S.A., P. Jaynes, R.L. Payne, and T.J. Applegate. 2011. Determination of Ileal digestibility of amino acids from feed ingredients for laying hens and broilers. Poult. Sci. 90 (Suppl. 1): 85.

Adedokun, S.A, K.M. Ajuwon, L.F. Romero, and O. Adeola. 2011. Ileal endogenous amino acid losses determined using the regression method in 26-d-old broiler chickens fed two levels of fiber with or without mild coccidia vaccine challenge. Poult. Sci. 90 (Suppl. 1): 88.

Olukosi, O.A., S. A. Adedokun, K. M. Ajuwon, and O. Adeola. 2011. Early responses of sodium-dependent phosphate transporter type IIb in broiler chicks to dietary phosphorus intervention. Brit. Poult. Abst. 7:39.

Olukosi, O.A., S.A. Adedokun, K. M. Ajuwon, and O. Adeola. 2010. Relationship between expression of sodium-dependent phosphate transporter type II-b gene and phosphorus utilization in broilers. Poult. Sci. 89 (Suppl. 1): 497.

Olukosi, O.A., S.A. Adedokun, K. M. Ajuwon, and O. Adeola. 2010. Ontogenic development of sodium-dependent phosphate transporter and its response to phosphorus supply in poultry. Poult. Sci. 89 (Suppl. 1): 59.

Adapala, V. J. K., S. A. Adedokun, O. Adeola, M. G. Ward, and K. M. Ajuwon. 2010. Potential role of Toll-like Receptor 4 in Obesity-Induced Adipose Tissue Remodeling. The FASEB J.

Adedokun, S.A., O. A. Olukosi, O. Adeola, and K. M. Ajuwon. 2009. Exogenous phytase alters the expression of nutrient transporters and markers of inflammation in the gastrointestinal tracts of broiler chickens. Poult. Sci. 88(Suppl. 1):59.

Ajuwon, K.M., S.A. Adedokun, O. A. Olukosi, and O. Adeola. 2009. Exogenous phytase alters the expression of glucose transporters and pancreatic alpha amylase in the gastrointestinal tract of broiler chickens. Proceedings of 17th European Symposium on Poultry Nutrition. August 23- 27, 2009. Edinburgh, Scotland. Pp 207.

Adedokun, S.A., O. Adeola, M. Sturek, K. M. Ajuwon. 2009. Obesity alters proteoglycan mRNA abundance in the subcutaneous fat depot of the Ossabaw miniature swine. Poster presented at the Midwest swine nutrition conference held at Des Monis, IA, Mar. 2009. Pp 40.

Adedokun, S.A., C. M. Parsons, O. Adeola, M. S. Lilburn, and T. J. Applegate. 2008. Comparison of apparent and standardized amino acid digestibility of feed ingredients in cecectomized roosters, laying hens, and broilers. Poult. Sci. 87(Suppl. 1):145.

Adedokun, S.A., D.M. Karcher, and T. J. Applegate. 2007. Effects of dietary protein concentration and age on gut morphology, crude mucin, and sialic acid contents of ileal digesta of turkey poults. Poult. Sci. 86(Suppl. 1):151.

Adedokun, S.A., C. M. Parsons, M. S. Lilburn, O. Adeola, and T. J. Applegate. 2007. Standardized ileal amino acid digestibility of plant source ingredients in broiler chicks and turkey poults using a nitrogen-free or casein diet. Poult. Sci. 86(Suppl. 1):9.

Adedokun, S.A., C. M. Parsons, M. S. Lilburn, O. Adeola, and T. J. Applegate. 2006. Comparison of ileal endogenous amino acid and total amino acid flow in broiler chicks and turkey poults. Poult. Sci. 85(Suppl. 1):85.

Adedokun, S.A., C. M. Parsons, M. S. Lilburn, O. Adeola, and T. J. Applegate. 2006. Standardized ileal amino acid digestibility of meat and bone meal in broiler chicks and turkey poults using a nitrogen-free or casein diet. Poult. Sci. 85(Suppl. 1):86.

Adedokun, S.A., W. Powers, R. Angel, A. Mitchell, and T.J. Applegate. 2006. Determination of nutrient mass balance in turkeys. Poult. Sci. 85(Suppl. 1):11-12.

Adedokun, S.A. and O. Adeola. 2005. Nutrient digestibility of diets containing graded levels of meat and bone meal for pigs and ducks. J. Anim. Sci. 83(Suppl. 1):154.

Nyannor, E.K.D., S.A. Adedokun, B.R. Hamaker, G. Ejeta, and O. Adeola. 2005. Nutritional evaluation of sorghum for pigs and broiler chicks. J. Anim. Sci. 83(Suppl. 1):166.

Adedokun, S.A. and O. Adeola. 2004. Metabolizable energy value of meat and bone meal for pigs.  J. Anim. Sci. 82(Suppl. 1):175.

Adedokun, S.A., J.S. Sands, and O. Adeola 2004. Determining the equivalent inorganic phosphorus released by phytase in broiler chicks. Poult. Sci. 83(Suppl. 1):29.

Conference Proceedings and Technical Presentations

Adeola, O. and S.A. Adedokun. 2014.  Nutritional impact on mobility and leg issues in poultry. Australian Poultry Science Symposium. Sydney, New South Wales, February 16-19. Pp 167- 174.

Adedokun, S.A.  and O. Adeola. 2013.  Considerations for using exogenous enzymes in the diets of broiler chickens. 2nd International Poultry Meat Congress. Antalya, Turkey, April 24-28. Pp 154-166.

Adedokun, S.A. and T.J. Applegate. 2013. Diet formulation on digestible amino acid basis: Merits and demerits. Proceedings of the Multi-State Poultry Feeding and Nutrition conference. Indianapolis, May 2013. 12 pg.

Applegate, T.J., S.A. Adedokun, O. Adeola, C.M. Parsons, and M.S. Lilburn. 2009. Application of ileal digestible amino acids in poultry nutrition. Western Nutrition Conference. Pp 211-220.

Applegate, T.J., S.A. Adedokun, O. Adeola, C.M. Parsons, and M.S. Lilburn. 2008. Amino acid digestibility – Methodology and application. Proceedings of the Multi-State Poultry Feeding and Nutrition Conference. Indianapolis, May 20-22, 2008. 7 pg.

Adedokun, S.A. and E.B. Sonaiya. 1999. Body weight, egg weight, egg number and percent heterosis of the crosses between Dahlem Red and Nigeria indigenous chicken. Proceeding of the 26th annual Nigerian Society of Animal Production. Pp 330-333.

Adedokun, S.A. and E.B. Sonaiya. 1999. Evaluation of the reproductive and growth performance of Nigeria indigenous chicken from three ecological zones. Proceeding of the 26th annual Nigerian Society of Animal Production. Pp 326-329.

Sonaiya, E. B., S. I. Ola, S. A. Adedokun and O. A. Olukosi. 2000. "Nutrition and health of broilers and family poultry". Delivered at One-day workshop of the Israeli-Agrivet Workshop on Poultry Production, Premier Hotel, Ibadan, Nigeria. July 4, 2000.

Other Non-refereed Publications (Extension Publication)

Adedokun, S.A., W. Powers, R. Angel, A. Mitchell, and T.J. Applegate. 2006. Determination of nutrient mass balance in turkeys. Iowa Turkey Federation Newsletter. February.

Popular Press Publications

Adedokun, S.A. et al. 2014. SIAAD of meals reported for laying hens, broilers. Feedstuffs, May 5, 2014. Pp 12-15