Pamela Lynn Utterback is a Research Specialist in Animal Sciences at the University of Illinois with over 15 years of experience in poultry husbandry, management, and nutrition. She received her Bachelor's degree in Animal Sciences from the University of Illinois in 1997. Her job duties include managing poultry research projects, coordinating experiments, collecting data, and publishing over 30 papers in peer-reviewed journals. She has received several awards for her research and service to the poultry industry.
1. Pamela Lynn Utterback
1203 N. Willis Ave., Champaign, IL, 61821
217-722-5685
utterbck@illinois.edu
PROFILE
Research Specialist in Animal Sciences at the University of Illinois. Background
in poultry husbandry, management, and nutrition. Experienced in managing
people, projects, and time.
EDUCATION
Bachelor of Science
University of Illinois at Urbana-Champaign
College of Agricultural, Consumer, and Environmental Sciences
Major: Animal Sciences
1997
JOB-RELATED SPECIAL SKILLS
• Executing all basic animal husbandry skills such as feeding, watering, egg
collection, and environmental observations
• Making vaccination and lighting schedules for all phases of chickens
• Monitoring the health of chickens and carrying out post mortem
examinations on the birds
• Coordinating hatching dates, experiment start dates, and other important
events with farm staff, professors, and graduate students
• Testing for Pullorum Typhoid
• Teaching college students and others about the poultry industry and
poultry exhibitions through guest lectures in the Animal Sciences
department and public speaking engagements at local schools, clubs, etc.
• Conducting tours of the Poultry Research Farm
• Performing word processing and spreadsheet data entry
• Creating and presenting PowerPoint presentations
• Maintaining inventory of chickens at the U of IL Poultry Research Farm
1
2. • Ordering supplies for farm and laboratory work
• Formulating and mixing experimental poultry diets
• Doing experimental tasks such as excreta collection, ileal content
collection, tibia cleaning, Haugh unit measurements, specific gravity data
collection, yolk color scoring, egg solids, and much more
• Drawing blood from chickens for various testing and research
• Collecting and evaluating semen from roosters
• Artificial insemination of hens
• Performing gross energy, dry matter, urease, phosphorus, zinc, amino
acid, and other lab analyses
• Performing all parts of rooster cecectomy surgeries
EMPLOYMENT
Research Specialist, Animal Sciences. University of Illinois
for Dr. Carl Parsons’ Poultry Nutrition Lab, 2002-present
Research Manager, DEKALB Poultry Research.
Illiopolis, IL. 1997-2002
OTHER ACTIVITIES
• Received the Professional Staff Award for Excellence in Research
from the Department of ACES at U of IL, 2016
• Received Tyson Support Staff Award from the Poultry Science
Association, 2015
• Received Illinois Honorary State FFA Degree, 2015
• Obtained Certified Livestock Manager Certificate, 2015
• Certified in Poultry Handling & Transportation, 2015
• Received CAPE Award 2011(Chancellor’s Academic Professional of
Excellence Award) from U of IL
• ALAH FFA Alumni member, 2014-present; Director, 2016
• Poultry Science Association member, 2002-present
2
3. • Piatt County Farm Bureau Member, 2006-present
• Illini Poultry Club Advisor, University of Illinois, 2006-present
• 4-H Club leader, 2007-2015
• Illinois State Certified Pullorum Typhoid Tester for poultry, 1997-
present
• Moultrie-Douglas County 4-H Poultry Show Superintendent, 2014-
present
• Moultrie-Douglas County 4-H Expansion & Review Committee, 2009-
2010
• Moultrie-Douglas County Extension Council Member, 2010-2011
• Set up and monitor Illinois’s State 4-H Poultry and Egg Judging
Competition, 2002-present
• Coach and chaperone for the Illinois contestants attending the
National 4-H Poultry and Egg Judging Competition, 2002-present
• FFA National Poultry and Egg Judging Contest CDE committee, 2004-
present
• Illinois State FFA Poultry Production Judging Committee, 2003-
present
• Rotary International Group Study Exchange Member to South Korea,
March-April 2008
• Blood Donor, every 56 days, 2003-2015
• Poultry Clinic, Vermilion County, 2013-present
• Poultry Judge for: Champaign County, 2002, Vermilion County 4-H
and Open show, 2005; Macon-Piatt County 4-H, 2006; Moultrie-
Douglas County 4-H, 2010
• Backyard Poultry Seminar, Will County, 2011 & 2013
• Poultry Careers and Care Seminar, Macon County, 2003
• Poultry Pals Egg & Carcass Judging Practice, 2006-2009
PUBLICATIONS IN PEER-REVIEWED JOURNALS
3
4. 1. Persia, M.E., P.L. Utterback, P.E. Biggs, K.W. Koelkebeck, and C.M. Parsons,
2003. Interrelationship between environmental temperature and dietary
nonphytate phosphorus in laying hens. Poultry Sci. 82:1763-1768.
2. Snow, J.L., K.A. Rafacz, P.L. Utterback, C.W. Utterback, R.W. Leeper, and
C.M. Parsons, 2005. HyLine W-36 and HyLine W-98 Laying Hens Respond
Similarly to Dietary Phosphorus Levels. Poultry Sci. 84:757-763.
3. Utterback, P.L., C.M. Parsons, I. Yoon, and J. Butler. 2005. Effect of
supplementing selenium yeast in diets of laying hens on egg selenium content.
Poultry Sci. 84:1900-1901.
4. Karr-Lilienthal, L.K., P.L. Utterback, C. Martinez Amezcua, C.M. Parsons, N.R.
Merchen, and G.C. Fahey, Jr. 2005. Relative bioavailability of phosphorus and
true amino acid digestibility by poultry as affected by soybean extraction time
and use of low-phytate soybeans. Poultry Sci. 84:1555-1561.
5. Persia, M.E., E.L. Young, P.L. Utterback, and C.M. Parsons, 2006. Effects of
dietary ingredients and Eimeria acervulina infection on chick performance, MEn
and Amino Acid Digestibility. Poultry Sci. 85:48-55.
6. Pope, L.L., P.L. Utterback, K.J. Bruce, L.K. Karr-Lilienthal, N.R. Merchen, C.M.
Parsons, and G.C. Fahey, Jr. 2006. Altering the bed depth in the
desolventizer/toaster (DT) used in soybean meal preparation affects chemical
composition, protein quality indices, and amino acid digestibility in
cecectomized roosters. Animal Feed Sci. Tech. 133:275-285.
7. Folador, J., L. Karr-Lilienthal, C. Parsons, L. Bauer, P. Utterback, C.
Schasteen, P. Bechtel, and G. Fahey, Jr. 2006. Fish meals, fish components,
and fish protein hydrolysates as potential ingredients in pet foods. J. Anim.
4
5. Sci. 84:2752-2765.
8. Koelkebeck, K., C. Parsons, P. Biggs, and P. Utterback. 2006. Nonfeed
withdrawal molting programs. J. Applied Poult. Res. 15:483-491.
9. Bruce, K.J., L.K. Karr-Lilienthal, K.E. Zinn, L.L. Pope, D.C. Mahan, N.D.
Fastinger, M. Watts, P.L. Utterback, C.M. Parsons, E.O. Castaneda, M. Ellis,
and G.C. Fahey, Jr. 2006. Evaluation of the inclusion of soybean oil and
soybean processing by-products to soybean meal on nutrient composition and
digestibility in swine and poultry. J. Anim. Sci. 84:1403-1414.
10. Karr-Lilienthal, L.K., L.L. Bauer, P. Utterback, K.E. Zinn, R.L. Frazier, P.L.
Utterback, C.M. Parsons, and G.C. Fahey, Jr. 2007. Chemical composition
and nutritional quality of soybean meals prepared by extruder/expeller
processing for use in poultry diets. J. Agric. Food. Chem. (in print).
11. Jacobs, C.M., P.L. Utterback, C.M. Parsons, D. Rice, B. Smith, M. Hinds, M.
Liebergesell, and T. Saubert. 2008. Performance of laying hens fed diets
containing DAS-59122-7 maize grain compared with diets containing
nontransgenic maize grain. Poultry Sci. 87:475-479.
12. Kim, E.J., C. Martinez Amezcua, P.L. Utterback, and C.M. Parsons. 2008.
Phosphorus bioavailability, TME, and amino acid digestibilities of high protein
corn distillers dried grains and dehydrated corn germ. Poultry Sci. 87:700-705.
13. Boucher, S.E., S. Calsamiglia, C.M. Parsons, H.H. Stein, M.D. Stern, P.S.
Erickson, P.L. Utterback, and C.G. Schwab. 2009. Intestinal digestibility of
5
6. amino acids in rumen undegraded protein estimated using a precision-fed
cecectomized rooster bioassay: I. Soybean meal and soyplus®. J. Dairy Sci.:
(in print).
14. 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
broiler, laying hens and caecectomised roosters. Br. Poult. Sci. 50(3):350-358.
15. Boucher, S.E., S. Calsamiglia, C.M. Parsons, H.H. Stein, M.D. Stern, P.S.
Erickson, P.L. Utterback, and C.G. Schwab. 2009. Intestinal digestibility of
amino acids in rumen undegradable protein estimated using a precision-fed
cecectomized rooster bioassay: I. Soybean meal and SoyPlus. J. Dairy Sci.
92(9):4489-4498.
16. Boucher, S.E., S. Calsamiglia, C.M. Parsons, H.H. Stein, M.D. Stern, P.S.
Erickson, P.L. Utterback, and C.G. Schwab. 2009. Intestinal digestibility of
amino acids in rumen-undegraded protein estimated using a precision-fed
cecectomized rooster bioassay: II. Distillers dried grains with solubles and fish
meal. J. Dairy Sci. 92(12):6056-6067.
17. Jacobs, C.M., P.L. Utterback, and C.M. Parsons. 2010. Effects of corn particle
size on growth performance and nutrient utilization in young chicks. Poult. Sci.
89:539-544.
18. Mejia, L., E.T. Meyer, P. Utterback, C.W. Utterback, C.M. Parsons, and K.W.
Koelkebeck. 2010. Evaluation of limit feeding corn and DDGS in nonfeed withdrawal
molt programs for laying hens. Poult. Sci. 89:386-392.
6
7. 19. Baker, K.M., P.L. Utterback, C.M. Parsons, and H.H. Stein. 2011. Nutritional value of
soybean meal produced from conventional, high-protein, or low-oligosaccharide
varieties of soybeans and fed to broiler chicks. Poult. Sci. 90:390-395.
20. Mejia, L., C.M. Jacobs, P.L. Utterback, C.M. Parsons, D. Rice, C. Sanders and B.
Smith. 2011. Evaluation of soybean meal with the genetically modified input trait DP-
305423-1 when fed to laying hens. Poult. Sci. 90:2634-2639.
21. Mejia, L., E.T. Meyer, D.L. Studer, P.L. Utterback, C.W. Utterback, C.M.
Parsons, and K.W. Koelkebeck. 2011. Evaluation of limit feeding varying
levels of distillers dried grains with solubles in non-feed-withdrawal molt
programs for laying hens. Poult. Sci. 90:321-327.
22. Kim, E.J., P.L. Utterback, and C.M. Parsons. 2011. Development of a
precision-fed ileal amino acid digestibility assay using 3-week-old broiler
chicks. Poult. Sci. 90:396-401.
23. Bravo, D., P. Utterback, and C.M. Parsons. 2011. Evaluation of a mixture of
carvacrol, cinnamaldehyde and capsicum oleoresin for improving growth
performance and metabolizable energy for broiler chicks fed corn-soybean
meal. J. Appl. Poult. Res. 20:115-120.
24. Kim, E.J., P.L. Utterback, T.J. Applegate, and C.M. Parsons. 2011.
Comparison of amino acid digestibility of feedstuffs determined with the
precision-fed cecectomized rooster assay and the standardized ileal amino acid
digestibility assay. Poult. Sci. 90:2511-2519.
25. Kim, E.J., P.L. Utterback, and C.M. Parsons. 2012. Comparison of amino acid
digestibility coefficients for soybean meal, canola meal, fish meal, and meat
and bone meal among three different bioassays. Poult. Sci. 91:1350-1355.
7
8. 26. Kerr, K.R., A.N. Beloshapka, C.L. Morris, C.M. Parsons, S.L. Burke, P.L.
Utterback, and K.S. Swanson. 2012. Evaluation of four raw meat diets using
avians, domestic cats and captive exotic felids. J. Anim. Sci. 91:225-237.
27. Romero, L.F., C. Parsons, P.L. Utterback, P.W. Plumstead, and V. Ravindran.
2013. Comparative effects of dietary carbohydrases without or with protease
on the ileal digestibility of energy and amino acids and AMEn in young broilers.
An. Feed Sci and Tech. 181:35-44.
28. Carbonero, F., P.L. Utterback, J.E. Kristo, J.K. Leinberger, E.J. Sul, A.C.
Benefiel, T.A. Marsteller, C.M. Parsons, and H.R. Gaskins. 2013. Palomys®
modulation of gut microbiota is associated with improved growth in broiler
chicks. J. Nutr.
29. Bobeck, E.A., L.A. Johnson, J.M.L.N. de Moura, P.L. Utterback, C.M. Parsons,
and M.E. Persia. 2014. Nutritional evaluation of soluble and insoluble
byproducts of a new soybean processing technique. Poult. Sci. (accepted).
30. Kerr, K.R., K.L. Kappen, L.M. Garner, P.L. Utterback, C.M. Parsons, and K.S.
Swanson. 2014. Commercially available avian and mammalian whole prey diet
items targeted for consumption by zoo and domestic pet felines: True
metabolizable energy and amino acid digestibility. J. Anim. Sci. (accepted).
31. Fonseca, A.C., S.M. Fredin, L.F. Ferraretto, C.M. Parsons, P.L. Utterback, and
R.D. Shaver. 2014. Intestinal digestibility of amino acids in fluid- and particle-
associated rumen bacteria determined using a precision-fed cecectomized
rooster bioassay. J. Dairy Sci. (accepted).
32. Bland, K., P. Utterback, K. Koelkebeck, and C. Parsons. 2014. Evaluation of
8
9. feeding various sources of distillers dried grains with solubles (DDGS) in non-
feed-withdrawal molt programs for laying hens. Poult. Sci. 93:1421-1427.
33. Koelkebeck, K.W., S. dePersio, K. Lima, P.C. Harrison, C Utterback, P.
Utterback, R.N. Dilger, R.S. Gates, A. Green, and J.M. Campbell. 2014.
Evaluation of feeding spray-dried bovine plasma protein on production
performance of laying hens exposed to high ambient temperatures. J. Appl.
Poult. Res. 23:393-402.
34. dePersio, S., P.L. Utterback, C.W. Utterback, S. Rochell, N.O. Sullivan, K.
Bregendahl, J. Arango, C.M. Parsons, and K.W. Koelkebeck. 2014. Effects of
feeding diets varying in energy and nutrient density to Hy-Line W-36 laying
hens on production performance and economics. Poult. Sci. 93(In-print).
ABSTRACTS
1. Persia, M.E., P.L. Utterback, E.L. Young, and C.M. Parsons, 2003. Effects of
dietary ingredients and Eimeria acervulina infection of chick performance, Men
and amino acid digestibility. Poultry Sci. 82(Suppl. 1):29.
2. Biggs, P.E., M.E. Persia, P.L. Utterback, K.W. Koelkebeck, and C.M. Parsons,
2003. Evaluation of low-energy molt diets for induced molting of laying hens.
Poultry Sci. 82(Suppl. 1):50.
9
10. 3. Utterback, P., C. Parsons, I. Yoon, and J. Butler, 2004. Effect of
supplementing selenium yeast in diets of laying hens on egg selenium content.
Poultry Sci. 83(Suppl. 1):319.
4. Utterback, P.L., P.E. Biggs, K.A. Rafacz, C.M. Amezcua, K.W. Koelkebeck, and
C.M. Parsons. 2004. Evaluation of low-energy diets for a non-feed withdrawal
laying hen molt program. Poultry Sci. 83(Suppl. 1):399.
5. Utterback, P., P.E. Biggs, C. Martinez, E. Kim, K. Koelkebeck, and C. Parsons.
2005. Evaluation of limit feeding low-energy diets for a non-feed withdrawal
laying hen molt program. Poultry Sci. 84(Suppl. 1):146.
6. Biggs, P., P. Utterback, E. Kim, C. King, R. Dilger, C. Scherer, and C. Parsons.
2006. The effects of whole grains on growth performance, nutrient
digestibilities, and cecal short-chain fatty acid production in young chicks.
Poultry Sci. 85:(Suppl. 1):103.
7. Kim, E.J., P.L. Utterback, and C.M. Parsons. 2006. Phosphorus
bioavailability, TME, and amino acid digestibilities of high protein corn distillers
dried grains with solubles and dehydrated corn germ meal. Poultry Sci. 85:
(Suppl. 1):105.
8. Utterback, P.L., E.J. Kim, C.M. King, K.W. Koelkebeck, and C.M. Parsons.
2006. Evaluation of limit feeding low-energy diets for a varying number of days
in a non-feed withdrawal laying hen molt program. Poultry Sci. 85:(Suppl.
1):236.
9. Persia, M.E., J.A. Eaton, P.L. Utterback, C.M. Parsons, and W.W. Saylor.
2006. Dietary phosphorus quality of overprocessed soybean meal fed to
growing chicks. Poultry Sci. 85:(Suppl. 1):S-T112.
10
11. 10. Utterback, P., E. Kim, C. Jacobs, C. Utterback, C. Parsons, J. Snow, and J.
Weigel. 2007. Evaluation of NutriDense® corn compared to conventional corn
fed to laying hens. Poultry Sci. 86(Suppl. 1):70.
11. Jacobs, C.M., P.L. Utterback, and C.M. Parsons. 2007. Effects of corn particle
size in a corn-soybean meal diet on chick growth performance and nutrient
digestibility. Poultry Sci. 86(Suppl. 1):220.
12. Jacobs, C.M. P.L. Utterback, C.M. Parsons, B. Smith, M. Hinds, D. Rice, M.
Liebergesell, and T. Sauber. 2007. Feeding performance in laying hens fed
diets containing DAS-59122-7 maize grain compared with diets containing non-
transgenic maize grain. Poultry Sci. 86(Suppl. 1):519.
13. Utterback, P.L., C.M. Parsons, and N.E. Ward. 2008. Evaluation of various
carbohydrase enzymes in broiler chicks. Poultry Sci. 87(Suppl. 1):115.
14. Mejia, L., P.L. Utterback, C.W. Utterback, C.M. Parsons, and K.W. Koelkebeck.
2008. Evaluation of limit feeding corn and DDGS in nonfeed withdrawal molt
programs for laying hens. Poultry Sci. 87(Suppl. 1):27.
15. Kim, E.J, P.L. Utterback, and C.M. Parsons. 2008. Development of a
precision-fed ileal digestibility assay utilizing 3-week-old chicks. Poultry Sci.
87(Suppl. 1):31.
16. Meyer, E.T., P.L. Utterback, C.W. Utterback, L. Mejia, and C.M. Parsons.
2009. The efficacy of Optiphos® in pre-molt and post-molt diets fed to Hyline
W-36 laying hens from 32-117 weeks of age. Poultry Sci. 88(Suppl. 1):26.
11
12. 17. Mejia, L., P.L. Utterback, E.T. Meyer, D.L. Struder, C.W. Utterback, C.M.
Parsons, and K.W. Koelkebeck. 2009. Evaluation of limit feeding varying
levels of DDGS in nonfeed withdrawal molt programs for laying hens. Poultry
Sci. 88(Suppl. 1):27.
18. Kim, E.J., C.M. Jaconbs, P.L. Utterback, and C.M. Parsons. 2009.
Comparison of amino acid digestibilities using three different methods. Poultry
Sci. 88(Suppl. 1):29.
19. Bravo, D., P. Utterback, and C.M. Parsons. 2009. Evaluation of a mixture of
carvacrol, cinnamaldehyde and capsicum oleoresin for improving growth
performance and metabolizable energy for broiler chicks fed corn-soybean
meal. Poultry Sci. 88(Suppl. 1):39.
20. Romero, L.F., V. Ravidran, P.L. Utterback, and C.M. Parsons. 2009.
Performance, AME and ileal amino acid digestibility of broilers fed corn-soy
diets supplemented with a multi-enzyme complex containing xylanase, amylase
and protease. Poultry Sci. 88(Suppl. 1):58.
21. Mejia, L., P.L. Utterback., C.W. Utterback, C.M. Parsons, and J.L. Emmert.
2009. Evaluation of alternative genotypes in Illinois for sustainable poultry
production. Poultry Sci. 88(Suppl. 1):139.
22. Kim, E.J., P.L. Utterback, T.J. Applegate, and C.M. Parsons. 2010.
Comparison of amino acid digestibility of corn, corn distillers dried grains with
solubles (DDGS), meat and bone meal (MBM), and poultry-by-product meal
(PBPM) determined with the precision-fed cecectomized rooster assay and the
standardized ileal amino acid digestibility chick assay. Poultry Sci. 89(Suppl.
1):71.
12
13. 23. Kim, E.J., C.M. Jacobs, P.L. Utterback, and C.M. Parsons. 2010. Amino acid
digestibility of various feedstuffs of plant and animal origin using three different
methods. Poultry Sci. 89(Suppl. 1):72.
24. dePersio, S.A., K.W. Koelkebeck, C.M. Parsons, P.L. Utterback, C.W.
Utterback, N. O’Sullivan, K. Bregendahl, and J. Arango. 2010. Effects of
feeding low-density diets to Hy-Line W-36 laying hens on production
performance. Poultry Sci. 89(Suppl. 1):194.
25. Jacobs, C.M., P.L. Utterback, and C.M. Parsons. 2010. Cecal microbial
populations of young chicks fed several prebiotic-type compounds as
determined by DGGE and quantitative PCR. Poultry Sci. 89(Suppl. 1):113.
26. Bland, K.A., C.M. Parsons, S.A. dePersio, P.L. Utterback, and K.W.
Koelkebeck. 2011. Evaluation of feeding various sources of distillers dried
grains with solubles (DDGS) in non-feed withdrawal molt programs for laying
hens. Poult. Sci. 90(Suppl. 1):58.
27. Davis, T.M., C.M. Parsons, P.L. Utterback, and D. Kirstein. 2011. Evaluation
of the pepsin digestibility assay for predicting amino acid digestibility of meat
and bone meals. Poult. Sci. 90(Suppl. 1):85.
28. Jacobs, C.M., E. Jimenez-Moreno, M.C. Jenkins, P.L. Utterback, and C.M.
Parsons. 2011. The effects of whole or large particle grains, Grobiotic-P®,
and lactose on Eimeria acervulina infection, growth performance, nutrient
digestibility, and microbial populations in young chicks. Poult. Sci. 90(Suppl.
1):13.
29. Utterback, P., E. Jimenez, S. Block, J. Less, and C.M. Parsons. 2011.
13
14. Threonine biomass as a source of amino acids for poultry. Poult. Sci.
90(Suppl. 1):135.
30. Walbaum, W.A., P.L. Utterback, and C.M. Parsons. 2011. Determination of
standardized amino acid digestibility in soybean meal (SBM), distiller’s dried
grains with solubles (DDGS), and meat and bone meal (MBM) using different
methods. Poult. Sci. 90(Suppl. 1):85.
31. Utterback, P., T. Marsteller, and C. Parsons. 2012. Nutritional evaluation of
Palomys™ as a feed additive for poultry. Poult. Sci. No. P420.
32. Utterback, P., H. Spangler, C. Parr, M. Aardsma, J. Pugh, D. Hilgendorf, C.
Utterback, L. Jungbauer, and C. Parsons. 2013. Effects of Biostrong 510 on
performance and amino acid digestibility in laying hens. Poult. Sci. No. P358.
33. Rochell, S.J., P.L. Utterback, H.L. Spangler, C.K. Parr, T.M. Parr, and C.M.
Parsons. 2013. Bioavailability of commercial zinc sources in growing chicks.
Poult. Sci. No. P447
34. Hanna, C.D., C.K. Parr, P.L. Utterback and C.M. Parsons. 2015. Phosphorus
bioavailability in conventional canola meal and canola meals produced from
new varieties of canola seeds. Poult. Sci. 94(Suppl. 1):45.
35. Gorski, M.F., P.L. Utterback, and C.M. Parsons. 2015. Nutritional evaluation of
canola meal produced from a new variety of canola seeds in broiler chickens
and laying hens. Poult. Sci. 94(Suppl. 1):45.
14