Tara L. Felix

Tara L. Felix

  • Assistant Professor
  • Beef Extension Specialist
351 AG SC IN Bldg.
University Park, PA 16802

Areas of Expertise

  • Beef cattle nutrition
  • Beef cattle metabolism
  • Beef cattle management
  • Feedlot nutrition and management

Education

  • B.S. - Penn State University, Animal Bioscience
  • M.S. - University of Florida, Ruminant Nutrition
  • Ph.D. - The Ohio State University, Ruminant Nutrition

Publications

Effects of supplemental calcium butyrate on lamb growth, plasma metabolites, and hepatic gluconeogenic and inflammatory gene expression changes
Animal Feed Science and Technology, Chishti, G. A., Felix, T. L., 2020

Effects of cattle breed and corn processing on ruminal pH and volatile fatty acid concentrations, and apparent digestibility
Animal Feed Science and Technology, Carvalho, Pedro H.V., Felix, Tara L., 2020

Effect of high-pressure-jet processing on the physiochemical properties of low-fat ice cream mix
Journal of dairy science, Voronin, Grace L., Roberts, Robert, Felix, Tara L., Coupland, John N., Harte, Federico M., 2020

Effect of cattle breed and basal diet on digestibility, rumen bacterial communities, and eating and rumination activity
Journal of animal science, Carvalho, Pedro H.V., Pinto, Ana C.J., Millen, Danilo D., Felix, Tara L., 2020

Impacts of time-fed concentrate-based diets on plasma metabolites, rumen histology, and mrna expression of hepatic enzymes of wethers
Animals, Chishti, Ghazanfar A., Salfer, Isaac J., Nedelkov, Krum V., Felix, Tara L., 2020

Alternative selenium supplement for sheep
Animal Feed Science and Technology, Nedelkov, K., Chen, X. J., Martins, C. M.M.R., Melgar, A., Harper, M. T., Räisänen, S., Oh, J., Felix, T. L., Wall, E., Hristov, A. N., 2020

Effect of duration of restricted-feeding on nutrient excretion, animal performance, and carcass characteristics of Holstein × Zebu finishing steers
Animal Production Science, Silva, F. A.S., Valadares Filho, S. C., Godoi, L. A., Silva, B. C., Pacheco, M. V.C., Zanetti, D., Benedeti, P. D.B., Silva, F. F., Felix, T. L., 2020

Effect of a blend of artificial sweetener and capsicum on productive performance and blood chemistry in growing lambs
Animal Feed Science and Technology, Chen, X. J., Nedelkov, K., Oh, J., Harper, M. T., Wall, E. H., Felix, T. L., Hristov, A. N., 2019

Effect of corn processing on growth performance, carcass characteristics, and plasma glucose-dependent insulinotropic polypeptide and metabolite concentrations in feedlot cattle
Translational Animal Science, Freitas, Tiago B., Felix, Tara L., Shriver, Wayne, Fluharty, Francis L., Relling, Alejandro E., 2019

Efficacy of sheep as a digestibility model for cattle when fed concentrate-based or forage-based diets
Translational Animal Science, Chishti, Ghazanfar A., Carvalho, Pedro H.V., Pinto, Ana Carolina, Silva, Flavia A.S., Felix, Tara L., 2019

Ractopamine-induced changes in the proteome of post-mortem beef longissimus lumborum muscle
South African Journal of Animal Sciences, Kim, H. M., Suman, S. P., Li, S., Beach, C. M., Nair, M. N., Zhai, C., Edenburn, B. M., Felix, T. L., Dilger, A. C., Boler, D. D., 2019

Effect of high-pressure-jet processing on the viscosity and foaming properties of pasteurized whole milk
Journal of Dairy Science, Tran, M., Roberts, Robert, Felix, Tara, Harte, Federico, 2018

Effects of increasing dietary level of a commercial liquid supplement on growth performance and carcass characteristics in feedlot steers
Translational Animal Science, Felix, Tara L., Long, Chloe J., Stierwalt, Madeline R., Carvalho, Pedro H.V., Blalock, Howard M., 2018

Climate change effects on livestock in the Northeast US and strategies for adaptation
Climatic Change, Hristov, A. N., Degaetano, A. T., Rotz, C. A., Hoberg, E., Skinner, R. H., Felix, T., Li, H., Patterson, P. H., Roth, G., Hall, M., Ott, T. L., Baumgard, L. H., Staniar, W., Hulet, R. M., Dell, C. J., Brito, A. F., Hollinger, D. Y., 2018

Effects of feeding corn plant residues during the growing phase on steer growth performance and feedlot economics
Professional Animal Scientist, Carvalho, P. H.V., Meteer, W. T., Schroeder, A. R., DiCostanzo, A., Felix, T. L., 2017

Increasing corn distillers solubles alters the liquid fraction of the ruminal microbiome
Journal of animal science, McCann, J. C., Segers, J. R., Derakhshani, H., Felix, T. L., Khafipour, E., Shike, D. W., 2017

Replacement of soybean meal with treated castor bean meal in supplements for grazing lambs
Revista Brasileira de Saude e Producao Animal, Freitas, Tiago Brandão, Felix, Tara, Pedreira, Márcio dos Santos, Silva, Robério Rodrigues, da Silva, Fabiano Ferreira, Silva, Herymá Giovane de Oliveira, Tigre, Jéssica Santos, 2017

Effects of increasing palm kernel cake inclusion in supplements fed to grazing lambs on growth performance, carcass characteristics, and fatty acid profile
Animal Feed Science and Technology, Freitas, T. B., Felix, T. L., Pedreira, M. S., Silva, R. R., Silva, F. F., Silva, H. G.O., Moreira, B. S., 2017

Effects of exogenous phytase supplementation on phosphorus metabolism and digestibility of beef cattle
Translational Animal Science, Long, C. J., Kondratovich, L. B., Westphalen, M. F., Stein, H. H., Felix, T. L., 2017

Effects of the interaction of forage and supplement type on digestibility and ruminal fermentation in beef cattle
Journal of animal science, Stierwalt, M. R., Blalock, H. M., Felix, T. L., 2017

Effects of increasing inclusion of sodium hydroxide treatment on growth performance, carcass characteristics, and feeding behavior of steers fed 50% DDGS
Journal of animal science, Freitas, T. B., Relling, A. E., Pedreira, M. S., Rocha, W. J.B., Schroeder, A. R., Felix, T. L., 2017

Fungal pretreatment to improve digestibility of corn stover for animal feed
Transactions of the ASABE, Huang, H., Wang, Z., Pan, S. C., Shoup, L. M., Felix, Tara L., Perkins, J. B., May, O., Singh, V., 2017

Effects of timing and duration of test period and diet type on intake and feed efficiency of Charolais-sired cattle
Journal of animal science, Cassady, C. J., Felix, T. L., Beever, J. E., Shike, D. W., Taylor, Jerry, Kerley, Monty, Schnabel, Robert, Marques, Elisa, Garrick, Dorian, Hansen, Stephanie, Loy, Dan, Weaber, Robert, Seabury, Chris, Beever, Jon, Shike, Dan, Fahrenkrug, Scott, Spangler, Matt, Johnson, Kris, Neibergs, Holly, Sonstegard, Tad, Freetly, Harvey, Pollak, John, 2016

Long-term Effects of Pyrethrin and Cyfluthrin, a Type II Synthetic Pyrethroid, Insecticide Applications on Bull Reproductive Parameters
Reproduction in domestic animals = Zuchthygiene, Stewart, J. L., Shipley, C. F., Ireland, F. A., Jarrell, V. L., Timlin, C. L., Shike, D. W., Felix, T. L., 2016

Effect of dose and duration of ractopamine hydrochloride supplementation on growth performance and carcass characteristics of feedlot heifers
Professional Animal Scientist, Edenburn, B. M., Pyatt, N. A., Felix, Tara L., 2016

Effects of supplementing zinc or chromium to finishing steers fed ractopamine hydrochloride on growth performance, carcass characteristics, and meat quality
Journal of animal science, Edenburn, B. M., Kneeskern, S. G., Bohrer, B. M., Rounds, W., Boler, D. D., Dilger, A. C., Felix, Tara L., 2016

Effects of sodium hydroxide treatment of dried distillers’ grains on digestibility, ruminal metabolism, and metabolic acidosis of feedlot steers
Journal of animal science, Freitas, T. B., Relling, A. E., Pedreira, M. S., Santana Junior, H. A., Felix, Tara L., 2016

Effects of chromium supplementation to feedlot steers on growth performance, insulin sensitivity, and carcass characteristics
Journal of animal science, Kneeskern, S. G., Dilger, A. C., Loerch, S. C., Shike, D. W., Felix, T. L., 2016

338 Enhancing the feeding value of corn residues to improve beef cattle production.
Journal of Animal Science, Carvalho, P., Meteer, W., Schroeder, A., DiCostanzo, A., Felix, Tara, 2016

368 Effects of co-ensiling high moisture corn stover with co-products on spoilage, aerobic stability, nutrient composition, and in situ digestibility.
Journal of Animal Science, Sena, M., Felix, Tara, Meteer, W., Shike, D., 2016

Effects of chromium supplementation to beef cows during gestation on beef cow performance and progeny development before weaning
Professional Animal Scientist, Kneeskern, S. G., Dilger, A. C., Loerch, S. C., Shike, D. W., Felix, T. L., 2015

Effects of dietary glycerin on growth performance, carcass characteristics, and rumen metabolism of beef cattle
Professional Animal Scientist, Long, C. J., Sneed, A. D., Schroeder, A. R., Felix, Tara L., 2015

Prepartum supplement level and age at weaning: I. Effects on pre- and postpartum beef cow performance and calf performance through weaning
Journal of Animal Science, Shoup, L. M., Kloth, A. C., Wilson, T. B., González-Peña, D., Ireland, F. A., Rodriguez-Zas, S., Felix, T. L., Shike, D. W., 2015

Beef cow prepartum supplement level and age at weaning: II. Effects of developmental programming on performance and carcass composition of steer progeny
Journal of Animal Science, Shoup, L. M., Wilson, T. B., González-Peña, D., Ireland, F. A., Rodriguez-Zas, S., Felix, T. L., Shike, D. W., 2015

Effect of dried distillers grains with solubles or corn in growing cattle diets, followed by a corn-based finishing diet, on performance of feedlot cattle
Animal Feed Science and Technology, Nuñez, A. J.C., Felix, Tara L., Loerch, Steven, Schoonmaker, J. P., 2015

Effect of dietary fat concentration from condensed corn distillers’ solubles, during the growing phase, on beef cattle performance, carcass traits, digestibility, and ruminal metabolism
Journal of animal science, Segers, J. R., Felix, T. L., Green, A. R., Maia, G. N., Ramirez, B. C., Shike, D. W., 2015

Effects of feeding processed corn stover and distillers grains on growth performance and metabolism of beef cattle
Journal of animal science, Chapple, W. P., Cecava, M. J., Faulkner, D. B., Felix, T. L., 2015

Effects of feeding calcium oxide on growth performance, carcass characteristics, and ruminal metabolism of cattle
Professional Animal Scientist, Duckworth, M. J., Schroeder, A. S., Shike, D. W., Faulkner, D. B., Felix, Tara L., 2014

Effects of calcium oxide treatment of dry and modified wet corn distillers grains plus solubles on growth performance, Carcass characteristics, and apparent digestibility of feedlot steers
Journal of Animal Science, Schroeder, A. R., Duckworth, M. J., Shike, D. W., Schoonmaker, J. P., Felix, Tara L., 2014

Effects of feeding dry or modified wet distillers grains with solubles with or without supplemental calcium oxide on ruminal metabolism and microbial enzymatic activity of beef cattle
Journal of animal science, Schroeder, A. R., Iakiviak, M., Felix, T. L., 2014

Effect of calcium oxide inclusion in beef feedlot diets containing 60% dried distillers grains with solubles on ruminal fermentation, diet digestibility, performance, and carcass characteristics
Journal of animal science, Nuñez, A. J.C., Lemenager, R. P., Schoonmaker, J. P., Felix, Tara L., Nuñez, A. J.C., 2014

Effect of haylage and monensin supplementation on ruminal bacterial communities of feedlot cattle
Current Microbiology, Kim, Minseok, Felix, Tara L., Loerch, Steve C., Yu, Zhongtang, 2014

Adaptation to various sources of dietary sulfur by ruminants
Journal of animal science, Felix, T. L., Long, C. J., Metzger, S. A., Daniels, K. M., 2014

Protein supplementation for growing cattle fed a corn silage-based diet
Professional Animal Scientist, Felix, T. L., Loerch, S. C., Fluharty, F. L., 2014

Effect of feeding ractopamine hydrochloride (Optaflexx) with or without supplemental zinc and chromium propionate on growth performance, carcass characteristics, and meat quality of finishing steers
Journal of animal science, Bohrer, B. M., Edenburn, B. M., Dilger, A. C., Felix, T. L., Boler, D. D., Bohrer, B. M., Boler, D. D., 2014

Effects of different applications of pyrethrins and cyfluthrin, a synthetic pyrethroid, on bull reproductive parameters.
Clin. Therio, Stewart, J., Shipley, C., Ireland, F., Felix, Tara, Jarrell, V., Jimenez-Poveda, S., Shike, D., 2014

Effects of hay supplementation in corn-based and dried distillers grains with solubles-based diets on performance and ruminal metabolism in feedlot cattle
Professional Animal Scientist, Morrow, L. A., Felix, Tara L., Fluharty, F. L., Daniels, K. M., Loerch, Steven, 2013

Protein supplementation for growing cattle fed a corn silage based diet
Prof. Anim. Sci., Felix, Tara, Loerch, S., Fluharty, F., 2013

Effects of monensin supplementation on ruminal metabolism of feedlot cattle fed diets containing dried distillers grains
Journal of animal science, Felix, T. L., Pyatt, N. A., Loerch, S. C., 2012

Prepartum dietary energy source fed to beef cows
Journal of animal science, Radunz, A. E., Fluharty, F. L., Relling, A. E., Felix, T. L., Shoup, L. M., Zerby, H. N., Loerch, S. C., 2012

Effects of dietary inclusion and NaOH treatment of dried distillers grains with solubles on ruminal metabolism of feedlot cattle
Journal of animal science, Felix, T. L., Murphy, T. A., Loerch, S. C., 2012

Effects of copper supplementation on feedlot performance, carcass characteristics, and rumen sulfur metabolism of growing cattle fed diets containing 60% dried distillers grains
Journal of Animal Science, Felix, Tara L., Weiss, W. P., Fluharty, F. L., Loerch, Steven, 2012

Effects of increasing dried distillers grains with solubles on performance, carcass characteristics, and digestibility of feedlot lambs
Journal of animal science, Felix, T. L., Zerby, H. N., Moeller, S. J., Loerch, S. C., 2012

Effects of supplemental dried distillers grains or soybean hulls on growth and internal parasite status of grazing lambs.
Sheep & Goat Res. J., Felix, Tara, Susin, I., Shoup, L., Radunz, A., Loerch, S., 2012

Effects of haylage and monensin supplementation on performance, carcass characteristics, and ruminal metabolism of feedlot cattle fed diets containing 60% dried distillers grains
Journal of animal science, Felix, T. L., Loerch, S. C., 2011

Effects of limit feeding corn or dried distillers grains with solubles at 2 intakes during the growing phase on the performance of feedlot cattle
Journal of Animal Science, Felix, Tara L., Radunz, A. E., Loerch, Steven, 2011

Winter-feeding systems for gestating sheep II. Effects on feedlot performance, glucose tolerance, and carcass composition of lamb progeny
Journal of Animal Science, Radunz, A. E., Fluharty, F. L., Susin, I., Felix, Tara L., Zerby, H. N., Loerch, Steven, 2011