Juan Villalba

Publications | Abstracts

• Villalba, J., Van Noy, D., (2025). Bridging Science and Society: Advancing Smart Foodscapes through Transdisciplinary Partnerships on Working Landscapes. The American Society of Agronomy, the Crop Science Society of America, and the Soil Science Society of America - CANVAS 2025
• MacAdam, J.W, Surbhi, F., Villalba, J., (2025). Using Legumes and Forbs to Meet Cowherd Requirements on Western Rangelands. The American Society of Agronomy, the Crop Science Society of America, and the Soil Science Society of America - CANVAS 2025
• Villalba, J., (2025). SMART Foodscapes: Advancing sustainable beef production in Western US.. Journal of Animal Science
• Surbhi, F., Van Vliet, S., Ahsin, M., Villalba, J., MacAdam, J.W, (2024). Seasonal Change in Forage Nutritive Value and Secondary Metabolites in Legumes and Non-Legume Forbs Adapted to Western Rangeland. Crop Science Society of America
• Surbhi, I.M, Blanchard, H., Cabral, C., Villalba, J., (2024). PSXIII-5 Behavior and blood urea nitrogen in cattle grazing meadow bromegrass and supplemented with condensed and hydrolizable tannins. Journal of Animal Science - American Society of Animal Science
• Verma, S., Van Vliet, S., Villalba, J., MacAdam, J.W, (2023). Establishment potential of forage legumes, non-legume forbs and a grass species adapted to western rangeland. In ASA, CSSA, SSSA Interna-tional Annual Meeting Abstracts, Paper 148504, St. Louis, MO. *
• Villalba, J., Provenza, F.D, Reeve, J., (2020). Do tannin-containing forages influence the soil microbiom?. Society for Range Management
• Villalba, J., Spackman, C., MacAdam, J.W, (2015). Interaction between a tannin-containing legume and endophyte-infected tall fescue seed on lambs’ feeding behavior and physiology . American Society of Animal Science, Abstracts of Annual Meeting, July 9–12, 2015, Orlando, FL
• Burritt, E., St. Clair, S.B, Villalba, J., Aspen intake and preference by sheep: implications for herbivory and aspen decline. 68th Annual Meeting of the Society for Range, Sacrame. Society for Range Management

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Books

• Villalba, J., (2016). Animal Welfare in Extensive Systems. 5M Publishing. Nottingham University Press

Publications | Book Chapters

• Villalba, J., Manteca, X., (2016). Animal Welfare in Extensive Systems. 5M Publishing. Nottingham University Press
• Villalba, J., Manteca, X., Vercoe, P., Maloney, S., Blache, D., (2016). Integrating nutrition and animal welfare in extensive systems: Nutrition and the welfare of farm animals. Springer
• Villalba, J., Provenza, F.D, (2010). Challenges in extrapolating in vitro findings to in vivo evaluation of plant resources: In vitro screening of plant resources for extra-nutritional attributes in ruminants: nuclear and related methodologies. In vitro screening of plant resources for extra-nutritional attributes in ruminants: nuclear and related methodologies/ SPRINGER

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Fact Sheets

• Burritt, E., Villalba, J., (2012). Diet mixing: Increasing intake of unpalatable plants. Utah State University

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Journal Articles

Academic Journal

• Muzzo, B., Ramsey, R., Bladen, K., Villalba, J., (2025). Tannin Supplementation Alters Foraging Behavior and Spatial Distribution in Beef Cattle. Sustainability, 17:23, 10611. doi: https://doi.org/10.3390/su172310611
• Poli, C., Tontini, J., Jacondino, L., Villalba, J., Muir, J., Tedeschi, L., (2025). Plant tannin for grazing ruminant growth. . Animal Frontiers, 15 :3, 47–58.
• Shreiber-Pan, S., Meyer-Ficca, M., Villalba, J., (2025). Potential epigenetic impacts of phytochemicals on ruminant health and production: Connecting lines of evidence. Animals, 15:12, 1787.
• MacAdam, J.W, Villalba, J., Lagrange, S., Stewart, E., Pitcher, L., Norton, J.M, Reeve, J., Zang, Y., Bolletta, A., Legako, J., Christensen, R., Hunt, S., (2025). In Vivo reductions in methane and urinary nitrogen by perennial non‐bloating temperate legume and forb functional forages produced in the Mountain West United States. Grass and Forage Science, 80, e12719.
• Muzzo, I., Blanden, K., Perea, A., Nyamuryekung’e, S., Villalba, J., (2025). Multi-Sensor Integration and Machine Learning for High-Resolution Classification of Herbivore Foraging Behavior. Animals, 15:7, 913.
• Gregorini, P., Villalba, J., (2025). Modelling the effect of grazing management of tannin-containing legume feeding sites on environmental impact by cows grazing grass-dominated rangelands swards. . The Journal of Agricultural Science , 163:2, 202-211.
• Muzzo, B.I, Ramsey, R.D, Villalba, J.J, (2024). Changes in Climate and Their Implications for Cattle Nutrition and Management. Climate, 13:1, doi: https://doi.org/10.3390/cli13010001
• Villalba, J., (2024). Creating phytochemically diverse foodscapes through landscape interventions. Cadernos de Agroecologia., 19:3
• Sakhraou, A., Ltaeif, H., Sakhraoui, A., Villalba, J., Castillo, J., Rouz, S., (2024). Sainfoin (Onobrychis viciifolia) a legume with great ecological and agronomical potential under climate change. Journal of Agricultural Science, 1-25. doi: https://doi.org/10.1017/S0021859624000327
• Terra Braga, M., Poli, C., Tontini, J., Ahsin, ., Van Vliet, S., Villalba, J., (2024). Trade-offs between selection of crude protein and tannins in growing lambs. Journal of Animal Science - American Society of Animal Science, Volume 102, skae298. doi: https://doi.org/10.1093/jas/skae298
• Villalba, J., Ramsey, R., Athanasiadou, S., (2024). Review: Herbivory and the power of phytochemical diversity on animal health. Animal, 1-15. doi: https://doi.org/10.1016/j.animal.2024.101287
• Bleke, C., Gese, E., Villalba, J., Roberts, S.B, French, S., (2024). Temporal and Spatial Influences on Fawn Summer Survival in Pronghorn Populations: Management Implications from Noninvasive Monitoring. Animal
• Ortiz-Domínguez, G.A, Gonzalez-Pech, P.G, Torres-Acosta, J.F, Ventura-Cordero, J., Villalba, J., Sandoval-Castro, C.A, (2024). Relevance of Individual Data When Assessing the Gastrointestinal Nematode Infection Level, Nutritional and Productive Variables in a Tropical Farm Context: The Median Isn’t the Message. Animals - MDPI, 14:4, 603.
• Veblen, K.E, Nehring, K., Duniway, M., Knight, A., Fick, S., Monaco, T., Schupp, E.W, Boettinger, J.L, Villalba, J., Brungard, C., Thacker, E., (2022). Soil depth and precipitation moderate soil textural effects on survival of sagebrush plantings on the Colorado Plateau . Restoration Ecology, 30, e13700.
• MacAdam, J.W, Pitcher, L.R, Bolleta, A.I, Guevara, R., Beauchemin, K., Dai, X., Villalba, J., (2022). Increased Nitrogen Retention and Reduced Methane Emissions of Beef Cattle Grazing Legume vs. Grass Irrigated Pastures in the Mountain West USA. Agronomy, 12:2, 304. doi: https://doi.org/10.3390/agronomy12020304
• Lagrange, S., MacAdam, J.W, Stegelmeier, B., Villalba, J., (2021). Grazing diverse combinations of tanniferous and non-tanniferous legumes: Implications for foraging behavior, performance and hair cortisol in beef cattle. Journal of Animal Science, 99:11, 1-11.
• Li, D., Shu, G., Wang, H., Xu, Y., Adni, J., Zhang, Y., MacAdam, J.W, Villalba, J., Dai, X., Chen, L., (2021). In vitro fermentation performance of alfalfa (Medicago sativa L.) mixed with different proportions of paper mulberry (Broussonetia papyrifera) leaves (PML) or condensed tannins extracted from PML. Italian Journal of Animal Science.
• DiLorenzo, N., Dubeux, J., Garcia, L., Guevara, R., Lagrange, S., MacAdam, J.W, Villalba, J., (2021). Legumes as a strategy for reducing greenhouse gas emissions of forage-livestock systems. Proceedings of the International Grassland Congress
• Zhang, Y., MacAdam, J.W, Villalba, J., Dai, X., (2021). In vitro digestibility of mountain-grown irrigated perennial legume, grass and forb forages is influenced by elevated non-fibrous carbohydrates and plant secondary compounds. Journal of the Science of Food and Agriculture, 101:1, 334-340. doi: 10.1002/jsfa.10648
• Costes-Thire, M., Laurent, P., Ginane, C., Villalba, J., (2019). Diet selection and trade-offs between condensed tannins and nutrients in parasitized sheep. Veterinary Parasitology, 271:July 2019, 14-21. doi: https://doi.org/10.1016/j.vetpar.2019.05.013
• Gaudin, E., Costes-Thire, M., Villalba, J., Hoste, H., Gerfault, V., Ginane, C., (2019). Relative abilities of young sheep and goats to self-medicate with tannin-rich sainfoin when infected with gastrointestinal nematodes. Animal, 13:7, 1498–1507. doi: doi.org/10.1017/S175173111800304X
• Lagrange, S., Lobon, S., Villalba, J., (2019). Gas production kinetics and in vitro degradability of tannincontaining legumes, alfalfa and their mixtures. Animal Feed Science and Technology, 253:1, 56-64. doi: https://doi.org/10.1016/j.anifeedsci.2019.05.008
• Villalba, J., Spackman, C., Lobon, S., (2019). The interplay between exposure and preference for unpalatable foods by lambs. Applied Animal Behaviour Science, 212, 44-51. doi: https://doi.org/10.1016/j.applanim.2019.01.011
• Gregorini, P., Provenza, F.D, Villalba, J.J, Beukes, P., Forbes, M., (2018). Dynamics of forage ingestion, oral processing and digesta outflow from the rumen: a development in a mechanistic model of a grazing ruminant, MINDY. Journal of Agricultural Science, doi: https://doi.org/ 10.1017/S0021859618000886
• Heroy, K.Y, St. Clair, S.B, Burritt, E., Durham, S.L, Villalba, J., (2018). Nutritional state and secondary compounds influence trembling aspen (Populus tremuloides) intake by lambs. Applied Animal Behaviour Science, 206:September 2018, 39-51. doi: doi.org/10.1016/j.applanim.2018.05.031
• Costes-Thire, M., Villalba, J., Hoste, H., Ginane, C., (2018). Increased intake and preference for tannin-rich sainfoin (Onobrychis viciifolia) pellets by both parasitized and non-parasitized lambs after a period of conditioning. Applied Animal Behaviour Science, 203:June 2018, 11-18. doi: doi.org/10.1016/j.applanim.2018.02.015
• Heroy, K.Y, St. Clair, S.B, Rogers, P.C, Villalba, J., (2018). The influence of the foodscape on quaking aspen stand condition and use by ungulates. International Journal of Forest, Animal and Fisheries Research, 2:2, 50-63. doi: 10.22161/ijfaf.2.2.2
• Clemensen, A., Rottinghaus, G., Lee, S., Provenza, F.D, Villalba, J., (2018). How planting configuration influences plant secondary metabolites and total N in tall fescue (Festuca arundinacea Schreb.), alfalfa (Medicago sativa L.) and birdsfoot trefoil (Lotus corniculatus L.): Implications for grazing management. Grass and Forage Science, 73:1, 94-100. doi: 10.1111/gfs.12298
• Gregorini, P., Provenza, F.D, Villalba, J., Beukes, P., Forbes, M., (2018). Diurnal patterns of urination and drinking by grazing ruminants: A development in a mechanistic model of a grazing ruminant, MINDY.. Journal of Agricultural Science, 156, 71-81. doi: doi.org/10.1017/S0021859617000806
• Montes-Sanchez, J.J, Villalba, J., (2017). Understanding medusahead (Taeniatherum caput-medusae ssp. asperum) low intake and palatability through in vitro digestibility and fermentation kinetics. Animal, 11, 1930-1938. doi: doi:10.1017/S1751731117000866
• Gregorini, P., Villalba, J., Chilibroste, P., Provenza, F.D, (2017). Grazing management: Setting the table, designing the menu and influencing the diet.. Animal Production Science, 57:7, 1248-1268. doi: http://dx.doi.org/10.1071/AN16637
• Villalba, J., Costes-Thiré, M., Ginane, C., (2017). Phytochemicals in animal health; diet selection and trade-offs between costs and benefits.. Proceedings of the Nutrition Society, 76, 113-121. doi: doi:10.1017/S0029665116000719
• Montes-Sanchez, J.J, Van Miegroet, H., Villalba, J., (2017). Effects of an energy supplementation and time on use of medusahead by grazing ewes and their lambs. Rangeland Ecology and Management, 70:3, 380-387. doi: doi: 10.1016/j.rama.2016.11.005
• Stonecipher, C., Panter, K., Jensen, K., Rigby, C., Villalba, J., (2017). Revegetation of medusahead-invaded rangelands in the Channeled Scablands of eastern Washington. Rangeland Ecology and Management, 70, 388-395. doi: http://dx.doi.org/10.1016/j.rama.2016.11.002
• Clemensen, A., Provenza, F.D, Lee, S., Gardner, D., Rottinghaus, G., Villalba, J., (2017). Plant Secondary Metabolites in Alfalfa, Birdsfoot Trefoil, Reed Canarygrass, and Tall Fescue Unaffected by Two Different Nitrogen Sources. Crop Science, 57, doi: doi: 10.2135/cropsci2016.08.0680
• Montes-Sanchez, J.J, Villalba, J., (2017). Effects of early experience and alternative feeds on medusahead (Taeniatherum caput-medusae ssp. asperum) intake by sheep. Applied Animal Behaviour Science, 188:March 2017, 9-16. doi: https://doi.org/10.1016/j.applanim.2016.12.014
• Catanese, F., Fernandez, P., Villalba, J., Distel, R., (2016). The physiological consequences of ingesting a toxic plant (Diplotaxis tenuifolia) influence subsequent foraging decisions by sheep (Ovis aries).. Physiology & Behavior, 167:1, 238-247.
• Distel, R., Catanese, F., Villalba, J., (2016). Dietary learning in domestic ruminants. Implications for animal production. A Review. Revista Argentina de Produccion Animal, 36:1, 1-8.
• Egea, A.V, Allegretti, L.I, Paez Lama, S.A, Grilli, D., Fucili, M., Guevara, J.C, Villalba, J., (2016). Diet mixing and condensed tannins help explain foraging preferences by Creole goats facing the physical and chemical diversity of native woody plants in the central Monte desert (Argentina). Animal Feed Science and Technology, 215, 47-57.
• Catanese, F.H, Distel, R.A, Fernandez, P., Villalba, J., (2016). How the foraging decisions of a small ruminant are influenced by past feeding experiences with low-quality food. Behavioural Processes, 126, 12-20.
• Reeve, J., Hoagland, L., Villalba, J., Carr, P., Atucha, A., Cambardella, C., Davis, D.R, Delate, K., (2016). Organic Farming, Soil Health and Food Quality: Considering possible links. Advances in Agronomy, 137, 319-368.
• Stonecipher, C., Panter, K., Villalba, J., (2016). Effect of protein supplementation on forage utilization by cattle in annual grass-dominated rangelands in the Channeled Scablands of eastern Washington. Journal of Animal Science, 94, 2572-2582.
• Braithwaite, H., Bateman, T.M, Veblen, K.E, Thacker, E., Villalba, J., (2016). Identification of elk preferences for different diet supplements. The Wildlife Society Bulletin, 40, 368-374.
• Villalba, J., Spackman, C., Goff, B., Klotz, J.L, Griggs, T., MacAdam, J.W, (2016). Interaction between a tannin-containing legume and endophyte-infected tall fescue seed on lambs’ feeding behavior and physiology. Journal of Animal Science, 94, 845–857. doi: doi:10.2527/jas2015-9790
• Friend, M.A, Provenza, F.D, Villalba, J., (2015). Preference by sheep for endophyte-infected tall fescue grown adjacent to or at a distance from alfalfa. Animal, 9:3, 516–525. doi: doi:10.1017/S1751731114002559
• Villalba, J., Burritt, E., (2015). Intake of Medusahead by Sheep: Influence of Supplements, Silica and Individual Animal Variation. Invasive Plant Science and Management, 8:2, 151-159. doi: http://dx.doi.org/10.1614/IPSM-D-14-00072.1
• MacAdam, J.W, Villalba, J., (2015). Beneficial effects of temperate forage legumes that contain condensed tannins. Agriculture, 5, 475-491. doi: doi:10.3390/agriculture5030475
• Catanese, F., Rodriguez-Ganduglia, H., Villalba, J., Distel, R., (2015). Free availability of high-energy foods led to energy over-ingestion and protein under-ingestion in choice-fed broilers. Animal Science Journal, doi: doi: 10.1111/asj.12389
• Villalba, J., Cabassu, R., Gunter, S., (2015). Forage Choice in Pasturelands: Influence on Cattle Foraging Behavior and Production. Journal of Animal Science, 93:4, 1729-1740. doi: doi:10.2527/jas.2014-8667
• Gregorini, P., Villalba, J., Provenza, F.D, Beukes, P.C, Forbes, M., (2015). Modelling preference and diet selection patterns by grazing ruminants: A development in a mechanistic model of a grazing dairy cow, Mindy.. Animal Production Science, 55:3, 360-375. doi: http://dx.doi.org/10.1071/AN14472
• Villalba, J., Provenza, F.D, Catanese, F., Distel, R., (2015). Understanding and manipulating diet choice in grazing animals. Animal Production Science, 55:3, 261-271. doi: http://dx.doi.org/10.1071/AN14449
• Catanese, F., Distel, R., Villalba, J., (2015). Expression of conditioned preference for low-quality food in sheep is modulated by foraging cost. Animal, 9:6, 1045-1052. doi: doi:10.1017/S1751731115000087
• Hamilton, T., Burritt, E., Villalba, J., (2015). Assessing the impact of supplements, food aversions, and silica on medusahead (Taeniatherum caput-medusae (L.) Nevski) use by sheep. Small Ruminant Research, 124, 45-54. doi: http://dx.doi.org/10.1016/j.smallrumres.2015.01.014
• Villalba, J., Burritt, E., St. Clair, S.B, (2014). Aspen ( Populus tremuloides Michx.) Intake and Preference by Mammalian Herbivores: The Role of Plant Secondary Compounds and Nutritional Context. Journal of Chemical Ecology, doi: DOI 10.1007/s10886-014-0507-0
• Egea, A.V, Hall, J.O, Miller, J., Spackman, C., Villalba, J., (2014). Reduced neophobia: a potential mechanism explaining the emergence of self-medicative behavior in sheep. Physiology & Behavior, 135, 189-197. doi: doi:10.1016/j.physbeh.2014.06.019
• Maughan, B., Tansawat, R., Maughan, C., Provenza, F.D, Ward, R.E, Martini, S., Cornforth, D.P, Villalba, J., (2014). Importance of grass-legume choices on cattle grazing behavior, performance and meat characteristics. Journal of Animal Science, 92, 2309-2324. doi: DOI:10.2527/jas.2013-7297
• Villalba, J., Mereu, A., Ipharraguerre, I.R, (2014). Influence of dietary flavours on sheep feeding behaviour and nutrient digestibility. Animal Production Science, 55:5, 634-638. doi: DOI: 10.1071/AN13355
• Lyman Jensen, T., Provenza, F.D, Villalba, J., (2014). Influence of drinking water with quebracho tannin on intake of endophyte-infected tall fescue by cattle. Animal Feed Science and Technology, 188:February, 13-16. doi: doi:10.1016/j.anifeedsci.2013.11.005
• Villalba, J., Provenza, F.D, Gibson, N., Lopez Ortiz, S., (2014). Veterinary Medicine: Balancing Consumer and Ecological Health?. Springer, 3, 165-190. doi: 10.1007/978-94-007-7454-4_4
• Petersen, C.A, Villalba, J., Provenza, F.D, (2014). Influence of Experience on Browsing Sagebrush by Cattle and its Impacts on Plant Community Structure. Rangeland Ecology & Management, 67:1, 78-87. doi: doi: http://dx.doi.org/10.2111/REM-D-13-00038.1
• Catanese, F., Distel, R.A, Villalba, J., (2014). Effects of supplementing endophyte-infected tall fescue with sainfoin and polyethylene glycol on the physiology and ingestive behavior of sheep. Journal of Animal Science, 92:2, 744-757. doi: doi:10.2527/jas2013-6713
• Villalba, J., Miller, J., Ungar, E.D, Landau, S.Y, Glendinning, J., (2014). Ruminant self-medication against gastrointestinal nematodes: evidence, mechanism, and origins. Parasite, 21, 31-41. doi: DOI: 10.1051/parasite/2014032
• Brogna, D., Tansawat, R., Cornforth, D.P, Ward, R.E, Bella, M., Luciano, G., Priolo, A., Villalba, J., (2013). The quality of meat from sheep treated with tannin- and saponin-based remedies as a natural strategy for parasite control. Meat Science, 96, 744-749. doi: http://dx.doi.org/10.1016/j.meatsci.2013.10.019
• Brogna, D., Tansawat, R., Cornforth, D.P, Ward, R.E, Bella, M., Luciano, G., Priolo, A., Villalba, J., (2013). The quality of meat from sheep treated with tannin- and saponin-based remedies as a natural strategy for parasite control. Meat Science, 96, 744-749. doi: http://dx.doi.org/10.1016/j.meatsci.2013.10.019
• Catanese, F., Obelar, M., Villalba, J., Distel, R., (2013). The importance of diet choice on stress-related responses by lambs. Applied Animal Behaviour Science, 148, 37-45..
• Mantz, G.K, Villalba, J., Provenza, F.D, (2013). Can cattle be used to control sericea lespedeza? . Rangelands, 35:4, 6-12. doi: http://dx.doi.org/10.2111/RANGELANDS-D-13-00006.1
• Bernard, M., Maughan, B., Villalba, J., (2013). Preference for tannin-containing supplements by sheep consuming endophyte-infected tall fescue hay. Journal of Animal Science, 91, 3445-3456.. doi: 10.2527/jas.2012-5406
• Lyman Jensen, T., Provenza, F.D, Villalba, J., (2013). Influence of Diet Sequence on Intake of Foods Containing Ergotamine D Tartrate, Tannins and Saponins by Sheep . ELSEVIER, 144, 57-62..
• Villalba, J., Miller, J., Hall, J.O, Clemensen, A., Stott, R.D, Snyder, D.L, Provenza, F.D, (2013). Preference for tanniferous (Onobrychis viciifolia) and non-tanniferous (Astragalus cicer) forage plants by sheep in response to challenge infection with Haemonchus contortus. Small Ruminant Research, 112, 199-207. doi: doi:10.1016/j.smallrumres.2011.10.018
• Copani, G., Hall, J.O, Miller, J., Priolo, A., Villalba, J., (2013). Plant secondary compounds as complementary resources: Are they always complementary? . Oecologia, 172, 1041-1049.
• Wiedmeier, R., Villalba, J., Summers, A., Provenza, F.D, (2012). Eating a high fiber diet during pregnancy increases intake and digestibility of a high fiber diet by offspring in cattle. Animal Feed Science and Technology, 177, 144-151.. doi: dx.doi.org/10.1016/j.anifeedsci.2012.08.006
• Juhnke, J., Miller, J., Hall, J.O, Provenza, F.D, Villalba, J., (2012). Preference for condensed tannins by sheep in response to challenge infection with Haemonchus contortus. Veterinary Parasitology, 188, 104-114. doi: doi:10.1016/j.vetpar.2012.02.015
• Villalba, J., Landau, Y., (2012). Host behaviour, environment and ability to self-medicate. Small Ruminant Research, 103, 50-59. doi: doi:10.1016/j.smallrumres.2011.10.018
• Catanese, F., Distel, R., Provenza, F.D, Villalba, J., (2012). Early experience with diverse foods increases intake of non-familiar flavors and feeds in sheep. Jornal of Animal Science / American Society of Animal Science, 90, 2763-2773.. doi: 10.2527/jas.2011-4703
• Fernandez, E., Caranese, F., Puthod, G., Distel, R., Villalba, J., (2012). Depression of rumen ammonia and blood urea by quebracho tannin-containing supplements fed after high-nitrogen diets with no evidence of self-regulation of tannin intake by sheep.. Small Ruminant Research, 105, 126-134. doi: doi:10.1016/j.smallrumres.2012.03.013
• Owens, J., Provenza, F.D, Wiedmeier, R.D, Villalba, J., (2012). Influence of saponins and tannins on intake and nutrient digestion of alkaloid-containing foods. Journal of the Science of Food and Agriculture, 92, 2373-2378. doi: DOI 10.1002/jsfa.5643
• Bach, A., Villalba, J., Ipharraguerre, I.R, (2012). Interactions between mild nutrient imbalance and taste preferences in young ruminants. Journal of Animal Science, 90, 1015-1025. doi: doi:10.2527/jas.2011-4176
• Lyman, T.D, Provenza, F.D, Villalba, J., Wiedmeier, R.D, (2012). Phytochemical complementarities among endophyte-infected tall fescue, reed canarygrass, birdsfoot trefoil, and alfalfa affect cattle foraging. Animal, 6, 676–682.
• Owens, J., Provenza, F.D, Wiedmeier, R.D, Villalba, J., (2012). Supplementing endophyte-infected tall fescue or reed canarygrass with alfalfa or birdsfoot trefoil increases forage intake and digestibility by sheep. Journal of the Science of Food and Agriculture, 92, 987–992. doi: 10.1002/jsfa.4681
• Villalba, J., Catanese, F., Provenza, F.D, Distel, R., (2011). Relationships between early experience to dietary diversity, acceptance of novel flavors, and open field behavior in sheep.. Physiology & Behavior, 105:2, 181-187. doi: doi:10.1016/j.physbeh.2011.08.031
• Villalba, J., Bach, A., Ipharraguerre, I.R, (2011). Feeding behavior and performance of lambs are influenced by flavor diversity. . Journal of Animal Science, 89:8, 2571-2581. doi: doi:10.2527/jas.2010-3435
• Villalba, J., Provenza, F.D, Clemensen, A.K, Larsen, R., Juhnke, J., (2011). Preference for diverse pastures by sheep in response to intraruminal administrations of tannins, saponins, and alkaloids. Grass and Forage Science / WILEY, 66:2, 224-236.. doi: 10.1111/j.1365-2494.2010.00779.x
• Sanga, U., Provenza, F.D, Villalba, J., (2011). Transmission of self-medicative behaviour from mother to offspring in sheep.. Animal Behaviour, 82, 219-227. doi: doi:10.1016/j.anbehav.2011.04.016
• Lyman, T.D, Provenza, F.D, Villalba, J., Wiedmeier, R.D, (2011). Cattle preferences differ when endophyte-infected tall fescue, birdsfoot trefoil, and alfalfa are grazed in difference sequences. Jornal of Animal Science / American Society of Animal Science, 89:4, 1131-1137. doi: 10.2527/jas.2009-2741
• Catanese, F., Distel, R.A, Rodríguez Iglesias, R.M, Villalba, J., (2010). Role of early experience in the development of preference for low-quality food in sheep.. Animal/CAMBRIDGE JOURNALS, 4:5, 784–791. doi: 10.1017/S1751731109991637
• Villalba, J., Provenza, F.D, Hall, J.O, Lisonbee, L., (2010). Selection of tannins by sheep in response to gastrointestinal nematode infection.. Jornal of Animal Science / American Society of Animal Science, 88:6, 2189-2198.. doi: doi: 10.2527/jas.2009-2272
• Villalba, J., Provenza, F.D, Manteca, X.F, (2010). Links between ruminants' feeding behavior and their welfare. Animal/ CAMBRIDGE JOURNALS, 4:7, 1240-1247. doi: 10.1017/S1751731110000467
• Provenza, F.D, Villalba, J., (2010). The role of natural plant products in modulating the immune system: An adaptable approach for combating disease in grazing animals.. Small Ruminant Research/ELSEVIER, 89:2-3, 131-139. doi: 10.1016/j.smallrumres.2009.12.035
• Villalba, J., (2009). Effects of tannin on selection by sheep of forages containing alkaloids, tannins and saponins.. Journal of the Science of Food and Agriculture, 89, 2668-2677.
• Villalba, J., (2009). Neem-tree (Azadirachta indica Juss.) extract as a feed-additive against the American dog tick (Dermacentor variabilis) in sheep (Ovis aries).. Veterinary Parasitology, 165, 311�317.
• Villalba, J., (2009). Tannins and self-medication: Implications for sustainable parasite control in herbivores.. Behavioural Processes, 82, 184-189.
• Villalba, J., (2009). Learning and dietary choice in herbivores.. Rangeland Ecology & Management, 62, 399�406.
• Villalba, J., (2009). Understanding Diet Selection in Temperate Biodiverse Pasture Systems.. Rangeland Ecology & Management, 62, 387�388.
• Villalba, J., (2009). Relationship between reluctance to eat novel foods and open-field behavior in sheep.. Physiology and Behavior, 96, 276-281.
• Villalba, J., (2009). Supplemental polyethylene glycol affects intake of and preference for sericea lespedeza by cattle. Journal of Animal Science, 87, 761-769.
• Villalba, J., (2009). Value of plant diversity for diet mixing and sequencing in herbivores. Rangelands, 31, 45-49.
• Villalba, J., (2009). Rumen distension and contraction influence feed preference by sheep.. Journal of Animal Science, 87, 340-350.
• Villalba, J., (2008). Is dietary choice important to animal welfare?. Journal of Veterinary Behavior, 3, 229-239.
• Villalba, J., (2008). Sequence of food presentation influences intake of foods containing tannins and terpenes.. Applied Animal Behaviour Science, 113, 57-68.
• Villalba, J., (2008). Sheep foraging behavior in response to interactions among alkaloids, tannins and saponins.. Journal of the Science of Food and Agriculture, 88, 824-831.
• Provenza, F.D, Villalba, J., Haskell, J., MacAdam, J.W, Griggs, T.C, Wiedmeier, R.D, (2007). The value to herbivores of plant physical and chemical diversity in time and space. Crop Science, 47, 382-398.

In-House Journal

• Villalba, J., Manteca, X., (2011). Food choice and nutritional well-being in livestock.. FAO *

Professional Journal

• Jackson, T., MacAdam, J.W, Villalba, J., Verma, S., Choi, B., Chai, Y., Jeong, K., Batistel, F., (2026). Effects of diverse forage mixtures on rumen fermentation, nitrogen metabolism, and prokaryote microbial community structure in continuous culture fermenters. Frontiers in Animal Science, 6, p.1645287
• Burritt, E., Kossler, M., Villalba, J., (2013). Finishing bison by offering a choice of feeds and room to roam. Journal of the National County Agricultural Agents, 6:2
• Pfister, J., Villalba, J., Gardner, D., (2012). Effect of dietary protein level and quebracho tannin on consumption of pine needles (Pinus ponderosa) by beef cows. Professional Animal Scientist, 28, 528-533.

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Technical Reports

Research Reports

• Villalba, J., (2024). Creating Islands of Nutrition to Improve the Sustainability of Utah’s Grazed Rangelands. 2024 Report to the Governor and Legislature on Utah’s Land, Water, and Air *

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Other

Newsletter

• Villalba, J., Whitaker, R., (2024). Smart Foodscapes Newsletter - Summer. USDA - NIFA *
• Villalba, J., Whitaker, R., (2024). Smart Foodscapes Newsletter - Winter. USDA - NIFA *

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.