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 feeding rumen-protected Capsicum oleoresin on growth performance, health status, and total tract digestibility of growing beef cattle
Animal Feed Science and Technology, Westphalen, Mariana F., Carvalho, Pedro H.V., Oh, Joonpyo, Hristov, Alexander N., Staniar, William Burton, Felix, Tara L., 2021

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

Efeitos de diferentes estratégias de restrição alimentar sobre as concentrações de hormônios, metabólitos e minerais de machos Holandês × Zebu não castrados em terminação
Ciencia Animal Brasileira, de Sales Silva, Flávia Adriane, de Campos Valadares Filho, Sebastião, Rennó, Luciana Navajas, Trópia, Nathalia Veloso, Magalhães Souza, Caio William, Alhadas, Herlon Meneguelli, Mafort, Erica Garcia, Felix, Tara Louise, 2020

Effect of corn processing during the finishing phase on growth performance and carcass characteristics
Trans. Anim. Sci., Freitas, T., Felix, Tara, Clark, C., Fluharty, F., Relling, A., 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

In vitro and in situ techniques yield different estimates of ruminal disappearance of barley
Trans. Anim. Sci., DeFeo, M., Shampoe, K., Carvalho, P.H., Silva, F.A., Felix, Tara, 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

Effects of feeding corn plant residues during the growing phase on steer growth performance and feedlot economics
Applied Animal Science, 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

Climate change effects on livestock in the northeast US and strategies for adaptation
Climate Change, Hristov, A., Hall, Marvin, Dell, C, Roth, G, Skinner, H, 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 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 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 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, Stewart, J. L., Shipley, C. F., Ireland, F. A., Jarrell, V. L., Timlin, C. L., Shike, D. W., Felix, T. 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

Effects of chromium supplementation to beef cows during gestation on beef cow performance and progeny development before weaning
Applied Animal Science, 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
Applied Animal Science, 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

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
Applied Animal Science, Duckworth, M. J., Schroeder, A. S., Shike, D. W., Faulkner, D. B., Felix, Tara L., 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
Applied Animal Science, Felix, T. L., Loerch, S. C., Fluharty, F. L., 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

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 sulfur and acidity on performance and digestibility in feedlot lambs fed dried distillers grains with solubles
Journal of Animal Science, Morrow, L. A., Felix, T. L., Fluharty, F. L., Daniels, K. M., Loerch, S. C., 2013

Effects of hay supplementation in corn-based and dried distillers grains with solubles-based diets on performance and ruminal metabolism in feedlot cattle
Applied Animal Science, 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

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 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

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