Jennifer MacAdam

Publications | Abstracts

• MacAdam, J.W, (2018). In vitro digestibility and fermentation kinetics of six irrigated forage hays in the US Intermountain West. Journal of Animal Sci-ence, Suppl. 3, 96: 218-219
• MacAdam, J.W, (2018). In vitro rumen fermentation of six pasture species and their isolated fiber. In Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI.
• MacAdam, J.W, (2018). Methane emissions by cattle grazing tannin-containing legumes. Journal of Animal Science Suppl. 3, 96: 223–224
• MacAdam, J.W, (2018). Nutrients and plant secondary com-pounds in pasturelands and their ecological services. Journal of Animal Science, Suppl. 3, 96: 211
• MacAdam, J.W, (2017). Effect of oilseed source on ruminal fermentation and methane production of a grass-legume diet in continuous culture. Journal of Animal Science, 95: 133-134
• MacAdam, J.W, (2017). Effects of grazing diverse combinations of sainfoin, birdsfoot trefoil and alfalfa on beef cow performance and environmental impacts. Journal of Animal Science, 95:143-144
• MacAdam, J.W, (2017). Environmental impacts from cattle consuming tannin-containing hays. Journal of Animal Science, 95:133-134
• MacAdam, J.W, (2017). Modification of ruminal fermentation and methane production by adding legumes containing condensed tannins to an orchardgrass diet in continuous culture. Abstract, American Dairy Science Association Annual Meeting, June 25-28, 2017, Pittsburgh, PA
• 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. *
• Reeve, J., Norton, J.M, MacAdam, J.W, (2019). Utilization of tannin-containing forages for sustainable beef production in the Intermountain West. Soil Science Society of America
• MacAdam, J.W, (2022). Differential responses of irrigated grasses and legumes in the Mountain West USA to mob stocking compared with clipping. . Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI.
• MacAdam, J.W, Effect of Oven- Vs. Freeze-Drying on the Condensed Tannin Concentrations of Sainfoin and Birdsfoot Trefoil. Annual Meetings Abstracts. ASA, CSSA, and SSSA,
• MacAdam, J.W, (2019). The elevated carbohydrate concentrations of high altitude-grown perennial legume forages. In Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI
• MacAdam, J.W, (2017). Location of growth influenced birdsfoot trefoil tannin accumulation, but few accessions differed in tannin concentration. In An-nual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI.
• Kreykes, M., Cassida, K., van Santen, E., MacAdam, J.W, Griggs, T., (2016). Forage yield, quality, and root characteristics of birdsfoot trefoil-tall fescue pastures. In Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI.
• MacAdam, J.W, Beauchemin, K.A, Bolletta, A.I, Pitcher, L.R, (2016). Reduced enteric methane emissions on legume vs. grass irrigated pastures. . Journal of Animal Science, 94 E-Suppl. 5: 315
• MacAdam, J.W, Griggs, T.C, (2016). Source and implications of elevated non-fibrous carbohydrates in the perennial legume birdsfoot trefoil (Lotus corniculatus L.). In Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI
• Eun, J., MacAdam, J.W, (2016). Nitrogen excretion of lactating dairy cows fed an alfalfa hay– or birdsfoot trefoil hay–based high-forage diet. Journal of Dairy Science 94, E-Suppl. 1: 763
• Chail, A., Legako, J., Martini, S., Ward, R.E, MacAdam, J.W, (2016). Comparison of proximate composition, pH and fatty acids of beef ribeye steaks from forage and conventional feedlot finished cattle. Meat Science
• Gardner, T., Legako, J., Murphy, T., Yardley, K., Chail, A., MacAdam, J.W, (2016). Effect of beef finishing diet and retail display on oxidative volatile compounds and their relationship with beef color. Meat Science
• Johnson, D.A, MacAdam, J.W, Connons, K.J, Stettler, J.M, Bushman, B.S, Jones, T.A, (2015). High concentrations of condensed tannins in Utah trefoil (Lotus utahensis Ottley). 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
• Johnson, D.A, Stettler, J.M, Bushman, B.S, Connors, K.J, MacAdam, J.W, Jones, T.A, (2015). Utah trefoil (Lotus uathensis Ottley): North American legume for rangeland restoration/revegetation in the southern Great Basin of the western U.S.A. National Native Seed Conference, April 13-16, 2015, Santa Fe, NM *
• Yardley, K., Legako, J., Murphy, T.J, Barber, A., Chail, A., MacAdam, J.W, (2015). Comparisons of lipid oxidation products of three beef retail cuts from cattle finished on forage and conventional feedlot diets. Meat Science
• Chail, A., Legako, J., Martini, S., MacAdam, J.W, (2015). Consumer sensory evaluation of forage and conventional feedlot finished beef ribeye steaks. Meat Science
• Murphy, T.J, Legako, J., Yardley, K., Chail, A., MacAdam, J.W, (2015). Instrumental color and visual evaluation of three beef retail cuts from cattle finished on forage and conventional diets. Meat Science
• Christensen, R.G, Young, A., Eun, J., MacAdam, J.W, Min, B.R, (2014). Assessment of in vitro fermentation characteristics of lactation dairy diets consisting of orchardgrass or birdsfoot trefoil pasture forages with different supplements using continuous cultures. J. Dairy Sci. 97 (E-Suppl. 1):168. (Abstr.)
• Christensen, R., Young, A., Eun, J., MacAdam, J.W, Min, B., (2014). Assessment of in vitro fermentation characteristics of lactation dairy diets consisting of orchardgrass or birdsfoot trefoil pasture forages with different supplements using continuous cultures. . J. Dairy Sci.
• Christensen, R.G, Eun, J., Fellner, V., Young, A., MacAdam, J.W, (2014). Comparison of milk fatty acid profiles of dairy cows grazing cool-season perennial ryegrass or birdsfoot trefoil pasture on a commercial organic dairy farm. J. Dairy Sci. 97 (E-Suppl. 1):548. (Abstr.)
• Christensen, R., Eun, J., Fellner, V., Young, A., MacAdam, J.W, (2014). Comparison of milk fatty acid profiles of dairy cows grazing cool-season perennial ryegrass or birdsfoot trefoil pasture on a commercial organic dairy farm.. J. Dairy Sci.
• Christensen, R., Eun, J., Fellner, V., Young, A., MacAdam, J.W, (2014). Comparison of milk fatty acid profiles of dairy cows grazing cool-season perennial ryegrass or birdsfoot trefoil pasture on a commercial organic dairy farm.. J. Dairy Sci.
• Yardley, K., Legako, J., Murphy, T.J, Barber, A., Chail, A., MacAdam, J.W, (2014). Comparisons of lipid oxidation products of three beef retail cuts from cattle finished on forage and conventional feedlot diets. American Meat Science Association, Reciprocal Meat Conference, 15-18 June 2014, Madison, WI *
• Hunt, S.R, MacAdam, J.W, (2014). Effects of seeding rate, oat companion crop and planting date on organic establishment of birdsfoot trefoil (Lotus corniculatus). In Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI *
• van Santen, E., Cassida, K.A, Goff, B., Griggs, T.C, Johnson, J.M, Kallenbach, R.L, MacAdam, J.W, Shewmaker, G.E, (2014). Increasing legume grazing for higher beef gain on pastures: An improved high-tannin birdsfoot trefoil cultivar with trans-regional potential. In Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI *
• MacAdam, J.W, Pitcher, L.R, Griggs, T.C, (2014). Reducing the carbon dioxide equivalents of pasture-finished beef by finishing yearlings on birdsfoot trefoil (Lotus corniculatus) perennial legume pastures. In Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI *
• Grabber, J.H, Coblentz, W.K, Riday, H., Cassida, K.A, Griggs, T.C, Min, D.H, MacAdam, J.W, (2014). Yield, morphological development, and forage quality characteristics of European- and Mediterranean-derived birdsfoot trefoil cultivars grown in the colder continental United States. In Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI *
• Christensen, R.G, Young, A., Eun, J., MacAdam, J.W, Min, B.R, (2014). Assessment of in vitro fermentation characteristics of lactation dairy diets consisting of orchardgrass or birdsfoot trefoil pasture forages with different supplements using continuous cultures. J. Dairy Sci.
• Hunt, S.R, MacAdam, J.W, Griggs, T.C, (2013). Fluctuation in growing-season tannin concentrations of three birdsfoot trefoil varieties. Annual Meetings Abstracts. ASA, CSSA, and SSSA, Madison, WI.
• Christensen, R.G, Eun, J., Young, A., MacAdam, J.W, (2013). Lactational performance and ruminal fermentation profiles of dairy cows fed diets containing birdsfoot trefoil hay. J. Dairy Sci. 96 (E-Suppl. 1):514. (Abstr.)
• Christensen, R., Eun, J., Young, A., MacAdam, J.W, (2013). Lactational performance and ruminal fermentation profiles of dairy cows fed diets containing birdsfoot trefoil hay.. J. Dairy Sci.
• Christensen, R.G, Eun, J., Young, A., MacAdam, J.W, (2013). Milk production and ruminal fermentation characteristics of dairy cows grazing birdsfoot trefoil pasture on a commercial organic dairy farm. J. Dairy Sci. 96 (E-Suppl. 1):511. (Abstr.)
• Christensen, R., Eun, J., Young, A., MacAdam, J.W, (2013). Milk production and ruminal fermentation characteristics of dairy cows grazing birdsfoot trefoil pasture on a commercial organic dairy farm.. J. Dairy Sci.
• Hunt, S., MacAdam, J.W, (2012). Histological analysis of lignification in birdsfoot trefoil (Lotus corniculatus) stems and implications for management. Crop Science Society of America
• Hunt, S., MacAdam, J.W, (2012). On-Farm Establishment of Organic Birdsfoot Trefoil Pastures in the Northern Mountain West. Crop Science Society of America
• MacAdam, J.W, (2012). Perennial Legume Pasture as a Component of Organic Dairy Systems. Crop Science Society of America
• MacAdam, J.W, (2011). Impacts of Grazing on Four Pasture Forbs in Mixtures with Grasses or Legumes. Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA *
• Williams, C.M, Dschaak, C.M, Eun, J., MacAdam, J.W, Young, A., (2010). Assessment of tannin-free and tanniniferous legumes in lactating dairy diets using continuous culture.. J. Dairy Sci.
• MacAdam, J.W, Griggs, T.C, (2009). Forage nutritive value of grazed irrigated pasture mixtures for the Intermountain West. Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA *
• MacAdam, J.W, (2008). Grazing affects the seasonal pattern of production of grasses and legumes in the Intermountain West. Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA *
• MacAdam, J.W, Reynolds, S., (2007). Four-species pasture mixtures yielded more than species grown alone or in two-species mixtures. Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA
• MacAdam, J.W, Griggs, T.C, (2005). Forage nutritive value of irrigated pasture species for the Intermountain West. Annual Meetings Abstracts [CD-ROM], ASA, CSSA, and SSSA
• Griggs, T.C, MacAdam, J.W, Mayland, H.F, Burns, J.C, (2004). Daily carbohydrate and digestibility patterns in orchardgrass sward horizons. Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA *
• Jeppeson, R.N, MacAdam, J.W, (2004). Effects of saline irrigation and rooting media organic matter on growth and development of two western native perennials. Proc. Pacific Div., Amer. Assn. Advance. Sci. *
• Griggs, T.C, MacAdam, J.W, Mayland, H.F, Burns, J.C, (2004). Integrating daily patterns of pasture soluble carbohydrate level and grazing behavior. Proc. Pacific Div., Amer. Assn. Advance. Sci. *
• MacAdam, J.W, Griggs, T.C, Mileski, G.J, Buffler, S., (2004). Long-term changes in botanical composition of rotationally stocked irrigated grass-legume mixtures. Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA *
• Griggs, T.C, MacAdam, J.W, Mayland, H.F, Burns, J.C, (2003). Energy levels in orchardgrass sward horizons during defoliation sequences initiated in morning and evening. Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA *
• MacAdam, J.W, (2003). Non-structural carbohydrates in tall fescue leaves and stem following light and dark periods. Annual Meetings Abstracts [CD-ROM], ASA, CSSA, and SSSA *
• Griggs, T.C, MacAdam, J.W, Mayland, H.F, Burns, J.C, (2003). Orchardgrass soluble carbohydrate and digestibility levels in sward horizons under defoliation sequences. Journal of Dairy Science *
• Mayland, H.F, MacAdam, J.W, Griggs, T.C, Burns, J.C, (2003). Soluble sugar, fiber, and energy density in orchardgrass horizons during sward defoliation sequences initiated in morning and evening. Proceedings, National Conference on Grazing Lands [CD-ROM] 7-10 December *
• Mayland, H.F, MacAdam, J.W, Orr, R.J, Rook, A.J, Shewmaker, G.E, Harrison, P.A, (2003). Total nonstructural carbohydrate in tall fescue leaves and sheaths after light and dark exposure. Proceedings, National Conference on Grazing Lands [CD-ROM], 7-10 December 2003 *
• MacAdam, J.W, Buffler, S., (2003). Yield of irrigated pastures under rotational stocking management vs. simulated grazing. Annual Meetings Abstracts [CD-ROM]. ASA, CSSA, and SSSA *
• MacAdam, J.W, Jackson-Smith, D., Groseclose, C., Krannich, R., (2002). Characteristics of expansion in the Utah-Idaho dairy industry. Journal of Dairy Science *
• MacAdam, J.W, Buffler, S., (2002). Productivity of irrigated pastures under rotational stocking in the Intermountain West. In: Annual Meetings Abstracts [CD-ROM], ASA, CSSA, and SSSA *
• MacAdam, J.W, (2002). Relationship of growth cessation with the formation of diferulate cross-links and p-coumaroylated lignin in tall fescue leaf blades. In: Annual Meetings Abstracts [CD-ROM], ASA, CSSA, and SSSA *
• MacAdam, J.W, Mileski, G.J, Buffler, S., (2001). Irrigated grass-legume pasture mixtures: Long-term changes in botanical composition. In: Annual Meetings Abstracts [CD-ROM], ASA, CSSA, and SSSA *
• MacAdam, J.W, Buffler, S., Whitesides, R.E, (2000). Irrigated grass-legume pasture mixtures: Long-term yield results. Agron. Abstr *
• MacAdam, J.W, Buffler, S., Whitesides, R.E, (1999). Changes in yield components of irrigated grass-legume mixtures in the Intermountain West. Agron. Abstr *
• Souza, I.R, MacAdam, J.W, (1999). Gibberellic acid and dwarfism effects on growth and apoplastic activity in maise (Zea mays 1.) leaf blades. Peroxidase '99, July 17-21 *
• MacAdam, J.W, Buffler, S., Whitesides, R.E, (1998). Change in botanical composition of intensively managed irrigated pasture mixtures following establishment. Agron Abstr *
• MacAdam, J.W, Buffler, S., Whitesides, R.E, (1998). Effect of first cutting date on seasonal distribution of yield in grass/legume mixtures. Agron. Abstr *
• Karsten, H.D, MacAdam, J.W, (1997). Effect of autumn drought conditions on irrigated perennial ryegrass, tall fescue, and white clover. Agron. Abstr *
• MacAdam, J.W, Grabber, J.H, (1997). Relationships between leaf blade elongation of tall fescue and the concentrations of ferulic and diferulic acids in cell walls. Plant Physiology *
• Buffler, S., MacAdam, J.W, Jensen, K.B, (1996). Cold tolerance of perennial ryegrass for use in the Intermountain West. Agron. Abstr *
• MacAdam, J.W, Drost, D.T, Dudley, L.M, Soltani, N., (1996). Shoot growth, plant tissue elemental composition, and soil salinity following irrigation of alfalfa and tall fescue with high-sulfate waters. Agron. Abstr *
• Winger, M.B, Whitesides, R.E, MacAdam, J.W, (1996). Yield and Quality Comparison of Bloating and Non-Bloating Legumes. Agron. Abstr., WSCS *
• Whitesides, R.E, MacAdam, J.W, Winger, M.B, (1996). Yield and Quality of NewHy RS Grass Under Irrigation. Agron. Abstr., WSCS *
• Bishop, D.L, MacAdam, J.W, Anderson, A.J, (1995). Induction of wheat cell wall peroxidases by two fungal pathogens. American Society of Gravitational and Space Biology *
• Vincent, L.A, MacAdam, J.W, Smith, S.E, Dudley, L.M, (1995). Root growth and yield of contrasting alfalfa (Medicago sativa) rooting germplasms under saline irrigation. Agron. Abstr *
• MacAdam, J.W, Kerley, M.S, (1994). Effect of seasonal change and harvest management on big bluestem (Andropogon gerardii) digestibility and cell wall composition. National Conference on Forage Quality, Evaluation, and Utilization, Lincoln, Nebraska *
• Thomson, S.V, Whitesides, R.E, Cooper, T.D, MacAdam, J.W, (1993). Effect of alfalfa witches'-broom on nutritional quality of alfalfa. Sixth International Congress of Plant Pathology, Montreal, Canada
• MacAdam, J.W, Whitesides, R.E, (1993). Morphology and composition of alfalfa grown at optimal or low diurnal temperatures. Agron. Abstr *
• MacAdam, J.W, (1993). Peroxidase activity and termination of cell elongation in tall fescue leaf blades. Journal of Cell Biochemistry *
• Campbell, W.F, MacAdam, J.W, (1993). Plasma membrane protein composition of alfalfa grown at optimal or low diurnal temperatures. Agron. Abstr *
• Hill, J., MacAdam, J.W, (1993). Potassium movement from the protoplast to the apoplast of alfalfa leaves by non-lethal freezing. Agron. Abstr. WSCS *
• Ahn, H.J, MacAdam, J.W, (1992). Localization of ferulic acid in the grass leaf blade elongation and secondary cell wall deposition zones. Current Topics in Plant Biochem. & Physiol *
• MacAdam, J.W, Sharp, R.E, Nelson, C.J, (1991). Cell wall peroxidase activity and spatial distribution of leaf growth. Plant Physiology *
• Nelson, C.J, Schnyder, H., MacAdam, J.W, (1989). Carbohydrate metabolism and leaf growth of tall fescue. Plant Physiology *
• MacAdam, J.W, Piwonka, E.J, Bowman, J.G, Grigsby, K.N, Kerley, M.S, Paterson, J.A, Forwood, J.R, Magai, M.M, (1989). Cell wall digestibility and esterified non-core lignin components of big bluestem leaf material under three simulated grazing regimens. Journal of Animal Science *
• MacAdam, J.W, Nelson, C.J, (1989). Quantitation of peroxidase activity during grass leaf development. Plant Physiology *
• MacAdam, J.W, Nelson, C.J, (1987). Influence of secondary cell wall deposition and peroxidase activity on cell elongation in tall fescue leaf blades. Agron. Abstr
• MacAdam, J.W, Nelson, C.J, (1986). Differentiation of fiber cells in tall fescue leaf blades. Agron. Abstr
• MacAdam, J.W, Volenec, J.J, Nelson, C.J, (1985). Effect of nitrogen on cellular dynamics of grass leaf meristems. Plant Physiology
• MacAdam, J.W, Nelson, C.J, (1984). Evaluation of change in specific leaf weight of elongating tall fescue leaf blades. Agron. Abstr

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

Publications | Books

• MacAdam, J.W, (2009). Structure & Function of Plants. Wiley-Blackwell

Publications | Book Chapters

• MacAdam, J.W, (2020). Plant-water relations in forage crops. pp. 113-126 In M. Collins, C.J. Nelson, K.J. Moore, and D. Redfearn (ed.) Forages, Vol. 1I: The Science of Grassland Agriculture, 7th Ed., Wiley Blackwell, Hoboken, NJ.
• Allen, L., MacAdam, J.W, (2020). 7th Edition of Forages, Volume II, The Science of Grassland Agriculture, Irrigation and Water Management: 7th Edition of Forages, Volume II, The Science of Grassland Agriculture, Chapter 27 - Irrigation and Water Management. John Wiley & Sons, Inc
• MacAdam, J.W, (2017). Physiology of forage plants, pp. 51-70 In M. Collins, C.J. Nelson, K.J. Moore, and R.F. Barnes (ed.) Forages, Vol. 1: An Introduction to Grassland Agriculture, 7th Ed.. Wiley
• MacAdam, J.W, (2017). Beneficial effects of temperate forage legumes that contain condensed tannins. pp. 31-43 In C. Matthew (ed) Forage Plant Ecophysiology, MDPI, Basel, Switzerland
• MacAdam, J.W, Physiology of forage plants: Forages. An Introduction to Grassland Agriculture.
• Barker, D., Butler, T., MacAdam, J.W, Sulc, R.M, (2012). Forage and biomass planting: Conservation Outcomes from Pastureland and Hayland Practices: Assessment, Recommendations, and Knowledge Gaps. Allen Press
• MacAdam, J.W, Barta, A.L, (2007). Irrigation and water management: Forages. The Science of Grassland Agriculture. Iowa State Press
• MacAdam, J.W, Nelson, C.J, (2003). Physiology of forage plants: Forages. An Introduction to Grassland Agriculture. Iowa State Press

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

Publications | Fact Sheets

• MacAdam, J.W, (2018). Rocky Mountain Trefoil Beef. Utah State University
• MacAdam, J.W, (2018). Alternative Legume Species Can Reduce the Environmental Impacts of Cattle. Utah State University
• Brummer, J.E, MacAdam, J.W, Shewmaker, G., Islam, M.A, (2016). Establishing birdsfoot trefoil in the Mountain West. Electronic Bulletin. AG/Forages/2016-1. Utah State University Cooperative Extension Service, Logan
• MacAdam, J.W, Hunt, S.R, (2015). Using a rising plate meter to determine paddock size for rotational grazing. AG/Forages/2015‐01pr. Utah State University Cooperative Extension Service, Logan
• MacAdam, J.W, Griggs, T.C, (2013). Irrigated Birdsfoot Trefoil Variety Trial: Forage Nutritive Value. AG/Forages/2013‐02pr. Utah Cooperative Extension Service, Logan.Utah
• MacAdam, J.W, Griggs, T.C, (2013). Irrigated Birdsfoot Trefoil Variety Trial: Forage Yield. AG/Forages/2013‐01pr. Utah Cooperative Extension, Logan, Utah
• MacAdam, J.W, Brummer, J., Islam, A., Shewmaker, G., (2013). The benefits of tannin-containing forages. AG/Forages/2013‐03pr. Utah Cooperative Extension Service, Logan.
• MacAdam, J.W, McCann, R.B, (2013). Beef Production & Consumption: Sustainable Alternatives. USU Cooperative Extension
• Curtis, K., Knudsen, T., MacAdam, J.W, (2013). Northern Utah Small Cow-Calf Pasture Finished Beef Production Costs & Returns, 2012. USU Extension
• Curtis, K., Knudsen, T., MacAdam, J.W, (2013). Annual Costs to Establish and Maintain Birdsfoot Trefoil Pastures in Northern Utah, 2012. USU Extension
• Curtis, K., Ma, Z., MacAdam, J.W, Chakreeyarat, V., (2012). Rancher Adoption Potential of the Birdsfoot Trefoil Pasture Beef Production System in the Intermountain West. Cooperative Extension
• Miller, R.L, MacAdam, J.W, Koenig, R., (2003). Management intensive grazing systems and the environment. Nitrogen and phosphorus leaching. USU Cooperative Extension Service, Electronic Bulletin AG/2003-10

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

Publications | Journal Articles

Academic Journal

• Pitcher, L.R, MacAdam, J.W, Ward, R.E, Han, K., Griggs, T.C, Dai, X., (2022). Beef steer performance on irrigated monoculture legume pastures compared with grass- and concentrate-fed steers. . Animals, 12:1017
• 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
• Villalba, J., MacAdam, J.W, Ates, S., (2021). Non-Fiber Carbohydrates in Forages and their Influence on Beef Production Systems. Frontiers in Sustainable Food Systems. , 5, 71..
• Lagrange, S., MacAdam, J.W, Villalba, J., (2021). The use of temperate tannin containing forage legumes to improve sustainability in forage–livestock production. Agronomy, 11:November , 2264. doi: https://doi.org/10.3390/agronomy11112264
• Leggett, K., McCann, R.B, Brunson, M.W, Miller, B.A, MacAdam, J.W, (2021). “From a chef’s perspective or what I can sell on the menu?” Exploring culinary professionals’ attitudes toward specialty beef production and barriers to adoption.. Agroecology and Sustainable Food Systems , doi: 10.1080/21683565.2021.1888185
• 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
• Wilson, R., Bionaz, M., MacAdam, J.W, Beauchemin, K., Naumann, H., Ates, S., (2020). Milk production, nitrogen utilization, and methane emission of dairy cows grazing grass, forb, and legume-based pastures. Journal of Animal Science 98 (7) 13 pp.
• Lagrange, S., Beauchemin, K.A, MacAdam, J.W, Villalba, J., (2020). Grazing diverse combinations of tanniferous and non-tanniferous legumes: Implications for beef cattle performance and environmental impact. Science of the Total Environment, 746, 140788. doi: 10.1016/j.scitotenv.2020.140788
• Lira, R., MacAdam, J.W, Sales, F., Villalba, J., (2020). Supplementation strategies to enhance intake of romerillo (Chiliotrichum diffusum) by sheep in southern Patagonia. Small Ruminant Research, 192, doi: 10.1016/j.smallrumres.2020.106205
• Lira, R., MacAdam, J.W, Sales, F., Villalba, J., (2020). Supplemental levels of protein and energy influence ingestion of Romerillo (Chiliotrichum diffusum) by sheep in southern Patagonia. Small Ruminant Research, 191, doi: 10.1016/j.smallrumres.2020.106160
• Mata-Padrino, D.J., , D.P. Belesky, , C.D. Crawford, , B. Walsh, , MacAdam, J.W, S.A. Bowdridge, , (2019). Effects of grazing birdsfoot trefoil-enriched pasture on managing Haemonchus contortus in-fection in Suffolk crossbred lambs. Journal of Animal Science 97: 172-183
• MacAdam, J.W, (2019). The value of condensed tannins in forages – overview of the symposium. Crop Science 59: 858-860
• Stewart, E.K, Beauchemin, K.A, Dai, X., MacAdam, J.W, Christensen, R., Villalba, J., (2019). Effect of tannin-containing hays on enteric methane emissions and nitrogen partitioning in beef cattle. Journal of Animal Science, 97:8, 3286–3299. doi: doi: 10.1093/jas/skz206
• Villalba, J., Beauchemin, K.A, Gregorini, P., MacAdam, J.W, (2019). Pasture chemoscapes and their ecological services. Translational Animal Science, 3:2, 829–841. doi: https://doi.org/10.1093/tas/txz003
• Chail, A., Legako, J., Pitcher, L.R, Ward, R.E, Martini, S., MacAdam, J.W, (2017). Consumer sensory evaluation and chemical composition of beef gluteus medius and tricep brachii steaks from cattle finished on forage or concenrate diets. Journal of Animal Science, 95, 1553–1564.
• Stettler, J.M, Johnson, D.A, Bushman, B., Connors, K.J, Jones, T.A, MacAdam, J.W, Hole, D.J, (2017). Utah Lotus: North American legume for possible use in rangeland revegetation in the southern Great Basin and Colorado Plateau.. Rangeland Ecology and Management 70: 691-699, 70:6, 691-699. doi: 10.1016/j.rama.2017.06.002
• Chail, A., Legako, J., Pitcher, L.R, Griggs, T.C, Ward, R.E, Martini, S., MacAdam, J.W, (2016). Legume finishing improves beef fatty acid composition and consumer preference compared with other finishing diets. . Journal of Animal Science, 94, 2184-2197. doi: 10.2527/jas.2015-0241
• 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
• Grabber, J.H, Coblentz, W.K, Riday, H., Griggs, T.C, Min, D.H, MacAdam, J.W, Cassida, K.A, (2015). Protein and dry matter degradability of European- and Mediterranean-derived birdsfoot trefoil cultivars grown in the colder continental USA. Crop Science, 55, 1356-1364.
• Christensen, R.G, Yang, S., Eun, J., Young, A., Hall, J.O, MacAdam, J.W, (2015). Effects of feeding birdsfoot trefoil hay on neutral detergent fiber digestion, nitrogen utilization efficiency, and lactational performance by dairy cows. J. Dairy Sci., 98, 7982–7992.
• 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
• Hunt, S.R, MacAdam, J.W, Reeve, J., (2015). Establishment of birdsfoot trefoil (Lotus corniculatus) pastures on organic dairy farms in the Mountain West USA. Organic Agriculture, 5, 63-77.
• Hunt, S.R, MacAdam, J.W, Griggs, T.C, (2014). Lignification and tannin localization during the development of birdsfoot trefoil stems. Crop Science, 54, 1876-1886.
• Grabber, J., Riday, H., Cassida, K., Griggs, T., Min, D.H, MacAdam, J.W, (2014). Yield, morphological characteristics, and chemical composition of European and Mediterranean-derived birdsfoot trefoil cultivars grown in the colder continental USA. Crop Science, 54, 1893-1901.
• Hafla, A.N, MacAdam, J.W, Soder, K.J, (2013). Sustainability of US Organic Beef and Dairy Production Systems: Soil, Plant and Cattle Interactions. Sustainability, 5, 3009-3034.
• MacAdam, J.W, Ward, R.E, Griggs, T.C, Min, B., Akin, G.E, (2011). Average daily gain and blood fatty acid composition of cattle grazing the non-bloating legumes birdsfoot trefoil and cicer milkvetch in the Mountain West. Professional Animal Scientist, 27, 574-583.
• Ballif, J., Endo, S., MacAdam, J.W, Wu, Y., (2011). Over-expression of HPA3b enhances primary root elongation in Aribidopsis. Plant Physiology and Biochemistry, 49, 579-583.
• Williams, C.M, Eun, J., MacAdam, J.W, Young, A., Fellner, V., Min, B., (2011). Effects of forage legumes containing condensed tannins on methane and ammonia production in continuous cultures of mixed ruminal microorganisms. Animal Feed Science Technology, 166-167, 364-372.
• Williams, C.M, Eun, J., Dschaak, C.M, MacAdam, J.W, Min, B.R, Young, A., (2010). CASE STUDY: In vitro ruminal fermentation characteristics of birdsfoot trefoil (Lotus corniculatus L.) hay in continuous cultures. Professional Animal Scientist, 26, 570–576.
• Davis, E.J, Chen, D., DeWald, D.B, Shope, J., MacAdam, J.W, Wu, Y., (2009). Searching for new cell wall protein genes in Arabidopsis. Plant Physiology and Biochemistry, 47, 81-85.
• Griggs, T.C, MacAdam, J.W, Mayland, H.F, Burns, J.C, (2007). Temporal and vertical distribution of nonstructural carbohydrate, fiber, protein, and digestibility levels in orchardgrass swards. Agronomy Journal, 99, 755-763.
• 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.
• MacAdam, J.W, Griggs, T.C, Beuselinck, P.R, Grabber, J.H, (2006). Birdsfoot trefoil, a valuable tannin-containing legume for mixed pastures. Forage and Grazinglands, doi: doi:10.1094/FG-2006-0912-01-RV
• Griggs, T.C, MacAdam, J.W, Mayland, H.F, Burns, J.C, (2005). Nonstructural carbohydrate and digestibility patterns in orchardgrass swards during daily defoliation sequences initiated in evening and morning. Crop Science, 45, 1295-1304.
• MacAdam, J.W, Mayland, H.F, (2003). The relationship of leaf strength to cattle preference in tall fescue cultivars. Agronomy Journal, 95, 414-419.
• Souze, I.R, Alves, V.M, Parentoni, S.N, Oliveira, A.C, Teixeira, F.F, MacAdam, J.W, Purcino, A.A, (2002). Change in root apical protein and peroxidase activity in response to aluminum in tolerant and sensitive maize inbred lines. Brazilian Journal of Plant Physiology, 14, 219-224.
• MacAdam, J.W, Grabber, J.H, (2002). Relationship of growth cessation with the formation of diferulate cross-links and p-coumaroylated lignins in tall fescue leaf blades. Planta, 215, 785-793.
• Vaughan, L.V, MacAdam, J.W, Smith, S.E, Dudley, L.M, (2002). Root growth and yield of differing alfalfa rooting populations under increasing salinity and zero leaching. Crop Science, 42, 2064-2071.
• MacAdam, J.W, Nelson, C.J, (2002). Secondary cell wall deposition causes radial growth of fiber cells in the maturation zone of elongating tall fescue leaf blades. Annals of Botany, 89, 89-96.
• Karsten, H.D, MacAdam, J.W, (2001). Effect of drought on growth, carbohydrates, and soil water use by perennial ryegrass, tall fescue and white clover. Crop Science, 41, 156-166.
• Souza, I.R, MacAdam, J.W, (2001). Gibberellic acid and dwarfism effects on the growth dynamics of B73 maize (Zea mays L. ) leaf blades: A transient increase in apoplastic peroxidase activity precedes cessation of cell elongation.. Journal of Experimental Botany, 52, 1673-1682.
• Souza, I.R, MacAdam, J.W, (1998). A transient increase in apoplastic peroxidase activity precedes decrease in elongation rate of B73 maize (Zea mays L.) leaf blades. Physiologia Plantarum, 104, 556-56.
• Drost, D.T, MacAdam, J.W, Dudley, L.M, Soltani, N., (1997). Response of bean and broccoli to high-sulfate irrigation water. HortTechnology, 7, 429-434.
• MacAdam, J.W, Drost, D.T, Dudley, L.M, Soltani, N., (1997). Shoot growth, plant tissue elemental composition, and soil salinity following irrigation of alfalfa and tall fescue with high-sulfate waters. Journal of Plant Nutrition, 20, 1137-1153.
• MacAdam, J.W, Whitesides, R.E, (1996). Growth at low temperatures increases alfalfa leaf cell constituents related to bloat. Crop Science, 36, 378-382.
• MacAdam, J.W, Kerley, M.S, Piwonka, E.J, Sisson, D.V, (1996). Tiller development influences seasonal change in cell wall digestibility of big bluestem (Andropogon gerardii). Journal of the Science of Food and Agriculture, 70, 79-88.
• MacAdam, J.W, Hill, J., Whitesides, R.E, (1995). Frost-induced movement of potassium to the apoplast may increase the incidence of alfalfa bloat. Crop Science, 35, 1133-1136.
• MacAdam, J.W, Nelson, C.J, Sharp, R.E, (1992). Peroxidase activity in the leaf elongation zone of tall fescue. I. Spatial distribution of ionically bound peroxidase activity in genotypes differing in length of the elongation zone. Plant Physiology, 99, 872-878.
• MacAdam, J.W, Sharp, R.E, Nelson, C.J, (1992). Peroxidase activity in the leaf elongation zone of tall fescue. II. Spatial distribution of apoplastic peroxidase activity in genotypes differing in length of the elongation zone. Plant Physiology, 99, 879-885.
• Piwonka, E.J, MacAdam, J.W, Kerley, M.S, Paterson, J.A, (1991). Composition and susceptibility to rumen microbial degradation of nonmesophyll cell walls isolated from caucasian bluestem [Bothriochloa caucasica (Trin)] leaf tissue. The Journal of Agriculture and Food Chemistry, 39, 473-477.
• J., P.E, MacAdam, J.W, Kerley, M.S, Paterson, J.A, (1991). Separation of mesophyll from non-mesophyll cell wall tissue in Indiangrass leaf blades. Agronomy Journal, 83, 327-330.
• MacAdam, J.W, Volenec, J.J, Nelson, C.J, (1989). Effects of nitrogen on mesophyll cell division and epidermal cell elongation in tall fescue leaf blades. Plant Physiology, 89, 549-556.
• MacAdam, J.W, Nelson, C.J, (1987). Specific leaf weight in zones of cell division, elongation and maturation in tall fescue leaf blades. Annals of Botany, 59, 369-376.
• MacAdam, J.W, (1900). No title. No Journal

Professional Journal

• Legako, ., Cramer, T., Yardley, K., Murphy, T., Gardner, T., Chail, A., Pitcher, L., MacAdam, J.W, (2018). Retail stability of three beef muscles from grass-, legume- and feedlot-finished cattle. Journal of Animal Science. 96: 2238-2248
• Ghelichkhan, M., Eun, J., Christensen, R., Stott, R.D, MacAdam, J.W, (2018). Urine volume and nitrogen excretion are altered by feeding birdsfoot trefoil compared to alfalfa in lactating dairy cows. Journal of Animal Science. 96: 3992-4001
• Christensen, R.G, Eun, J., Yang, S.Y, Min, B.R, MacAdam, J.W, (2017). In vitro effects of birdsfoot trefoil (Lotus corniculatus L.) pasture on ruminal fermentation, microbial population, and methane production. Professional Animal Scientist, 33, 451–460 .
• Hunt, S.R, MacAdam, J.W, Griggs, T.C, (2016). Seeding rate, oat companion crop and planting season effects on irrigated organic birdsfoot trefoil stands in the Mountain West USA. Crop Science 56:463-473
• Tracy, B., Albrecht, K., Flores, J., Hall, M., Islam, A., Jones, G., Lamp, W., MacAdam, J.W, Skinner, H., Teutsch, C., (2016). Evaluation of alfalfa–tall fescue mixtures across multiple environments. Crop Science 56: 2026-2034

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

Publications | MultiMedia

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

Publications | Technical Reports

AES Reports

• Dudley, L.M, MacAdam, J.W, Or, D., Mace, W.R, (1995). Use of saline irrigation water from electrical power plants for irrigation: Part 1. Soil, Irrigation Water and Crop Yield Studies. 1994 Report. Utah Ag. Exp. Sta. Report 153 *
• Dudley, L.M, MacAdam, J.W, Or, D., Mace, W.R, (1994). Use of saline irrigation water from electrical power plants for irrigation: Part 1. Soil, Irrigation Water and Crop Yield Studies. 1993 Report. Utah Ag. Exp. Sta. Report 150 *
• Dudley, L.M, Hanks, R.J, MacAdam, J.W, Mace, W.R, Lilieholm, B.C, (1993). Use of saline irrigation water from electrical power plants for irrigation: Part 1. Soil, Irrigation Water and Crop Yield Studies. 1992 Report. Utah Ag. Exp. Sta. Report 147 *

Research Reports

• MacAdam, J.W, Buffler, S., Whitesides, R.E, (1997). Forage mixtures for irrigate production in the U.S. Intermountain Westd pasture. The Working Group on Pasture Ecology Newsletter, No. 40, IGER *
• Karsten, H.D, MacAdam, J.W, Buffler, S., Whitesides, R.E, (1997). Rotationally-stocked pasture species for the Intermountain West, U.S.A. The Working Group on Pasture Ecology Newsletter, No. 39, IGER *
• MacAdam, J.W, Drost, D.T, Dudley, L.M, Soltani, N., (1996). Effects of sulfate-contaminated ground water used for irrigation on plant growth, plant tissue elemental content, and soil sulfate content and salinity. Prepared for Sverdrup Corporation and the Environmental Protection Agency *

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

Publications | Other

Magazine/Trade Publications

• MacAdam, J.W, (2018). Evaluating grass-legume mixtures across different environ-ments. Crops and Soils, 51: 30-34 & 47.
• MacAdam, J.W, (2022). Altitude adds energy value to alfalfa hay. Hay and Forage Grower *
• MacAdam, J.W, (2020). Mountain Hay. Progressive Forage, Issue 2, February 1, 2020 *
• Cherney, J., Creech, J.E, MacAdam, J.W, (2018). Forage crops need respect. Hay and Forage Grower *
• Cherney, J., Creech, J.E, MacAdam, J.W, (2018). Forage in crisis: Forage crops don’t get no respect. Progressive Forage, September, pp. 14-16 *
• MacAdam, J.W, (2018). Legume-finished beef. Hay and Forage Grower, April-May, pp. 30-31 *

Newsletter

• MacAdam, J.W, (2010). A Pasture Legume with the Potential to Increase Milk Production. The Integrity *
• MacAdam, J.W, (2000). USU Irrigated Pasture Grazing Study. Dairy Newsletter, USU Ext. and Dept. of Animal, Dairy & Veterinary Sciences, USU *

Other

• Hemken, M., MacAdam, J.W, (2019). Rethink Pastures to Boost Stocking Rates. Western Farmer-Stockman *

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