Research Project: Improved Practices to Conserve Air Quality, Maintain Animal Productivity, and Enhance Use of Manure and Soil Nutrients of Cattle Production Systems for the Southern Great Plains

Location: Livestock Nutrient Management Research

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Condensed and hydrolyzable tannins for reducing methane and nitrous oxide emissions in dairy manure – a laboratory incubation study - (Peer Reviewed Journal)
Min, B., Willis, W.M., Castleberry, B., Casey, K., Waldrip, H., Parker, D.B. 2022. Condensed and hydrolyzable tannins for reducing methane and nitrous oxide emissions in dairy manure – a laboratory incubation study. Animals. 12(20). Article 2876. https://doi.org/10.3390/ani12202876.

Soil water extractable organic matter under long-term dryland cropping systems on the Texas High Plains - (Peer Reviewed Journal)
Waldrip, H., Schwartz, R.C., He, Z., Todd, R.W., Baumhardt, R.L., Zhang, M., Parker, D.B., Brauer, D.K., Min, B. 2022. Soil water extractable organic matter under long-term dryland cropping systems on the Texas High Plains. Soil Science Society of America Journal. 1-15. https://doi.org/10.1002/saj2.20432.

Biogas production with beef cattle manure and wastewater from hydraulic fracturing - (Peer Reviewed Journal)
Campbell, T.N., Rhoades, M.B., Parker, D.B., Blaser, B.C. 2022. Biogas production with beef cattle manure and wastewater from hydraulic fracturing. Transactions of the ASABE. 65(1):113-121. https://doi.org/10.13031/ja.14685.

Differences in the microbial community abundances of dairy cattle divergent for milk urea nitrogen and their potential implications - (Peer Reviewed Journal)
Marshall, C.J., Garrett, K., Beck, M.R., Barrell, G.K., Al-Marashdeh, O., Gregorini, P. 2022. Differences in the microbial community abundances of dairy cattle divergent for milk urea nitrogen and their potential implications. Applied Animal Science. 38:62-69. https://doi.org/10.15232/aas.2021-02220.

Effects of changes in finishing diets and growth technologies on animal growth performance and the carbon footprint of cattle feeding: 1990 to 2020 - (Peer Reviewed Journal)
Crawford, D.M., Hales, K.E., Smock, T.M., Cole, N.A., Samuelson, K.L. 2022. Effects of changes in finishing diets and growth technologies on animal growth performance and the carbon footprint of cattle feeding: 1990 to 2020. Applied Animal Science. 38:47-61. https://doi.org/10.15232/aas.2021-02199.

The role of seaweed as a potential dietary supplementation for enteric methane mitigation in ruminants: Challenges and opportunities - (Peer Reviewed Journal)
Min, B., Parker, D.B., Brauer, D.K., Lockard, C.L., Hales, K., Akbay, A., Augyte, S. 2021. The role of seaweed as a potential dietary supplementation for enteric methane mitigation in ruminants: Challenges and opportunities. Animal Nutrition. 7:1371-1387. https://doi.org/10.1016/j.aninu.2021.10.003.

Dairy cows with different milk urea nitrogen breeding values display different grazing behaviours - (Peer Reviewed Journal)
Marshall, C.J., Beck, M.R., Garrett, K., Fleming, A.E., Barrell, G.K., Al-Marashdeh, O., Gregorini, P. 2021. Dairy cows with different milk urea nitrogen breeding values display different grazing behaviours. Applied Animal Behaviour Science. 242. Article 105429. https://doi.org/10.1016/j.applanim.2021.105429.

Nitrogen balance of dairy cows divergent for milk urea nitrogen consuming either plantain or perennial ryegrass - (Peer Reviewed Journal)
Marshall, C.J., Beck, M.R., Garrett, K., Barrell, G.K., Al-Marashdeh, O., Gregorini, P. 2021. Nitrogen balance of dairy cows divergent for milk urea nitrogen consuming either plantain or perennial ryegrass. Animals. 11(8). Article 2464. https://doi.org/10.3390/ani11082464.

Technical note: using an automated head chamber system to administer an external marker to estimate fecal output by grazing beef cattle - (Peer Reviewed Journal)
Beck, M.R., Gunter, S.A., Moffet, C., Reuter, R. 2021. Technical note: using an automated head chamber system to administer an external marker to estimate fecal output by grazing beef cattle. Journal of Animal Science. Article skab241. https://doi.org/10.1093/jas/skab241.

Effects of condensed tannins supplementation on animal performance, phylogenetic microbial changes and in vitro methane emissions in steers grazing winter wheat - (Peer Reviewed Journal)
Min, B., Pinchak, W.E., Hume, M.E., Anderson, R.C. 2021. Effects of condensed tannins supplementation on animal performance, phylogenetic microbial changes and in vitro methane emissions in steers grazing winter wheat. Animals. 11(8). Article 2391. https://doi.org/10.3390/ani11082391.

Model of estimated energy from bio-methane generated with hydraulic fracturing wastewater and beef cattle manure - (Proceedings)
Campbell, T.N., Rhoades, M.B., Parker, D.B., Blaser, B.C. 2021. Model of estimated energy from bio-methane generated with hydraulic fracturing wastewater and beef cattle manure. ASABE Annual International Meeting. https://doi.org/10.13031/aim.202100518.

Temporal and spatial variability of methane emissions from Texas open-lot beef cattle feedyard pens - (Peer Reviewed Journal)
Parker, D.B., Casey, K.D., Waldrip, H., Min, B., Woodbury, B.L., Spiehs, M.J., Campbell, T.N., Meyer, B.E., Willis, W.M. 2022. Temporal and spatial variability of methane emissions from Texas open-lot beef cattle feedyard pens. Transactions of the ASABE. 64(6):1781-1794. https://doi.org/10.13031/trans.14672.

Dietary mitigation of enteric methane emissions and animal production from ruminants: plant tannins mitigation options - (Abstract Only)
Min, B. 2021. Dietary mitigation of enteric methane emissions and animal production from ruminants: plant tannins mitigation options [abstract]. University of Mataram. 2021:21-23. https://dx.doi.org/10.14334/Proc.Intsem.LPVT-2021-p.2.

The potential role of two red seaweeds that promote anti-methanogenic activity and rumen fermentation profiles under laboratory conditions - (Abstract Only)

Effects of protein supplementation to steers consuming low-quality forages on greenhouse gas emissions - (Peer Reviewed Journal)
Shreck, A.L., Zeltwanger, J.M., Bailey, E.A., Jennings, J.S., Meyer, B.E., Cole, N.A. 2021. Effects of protein supplementation to steers consuming low-quality forages on greenhouse gas emissions. Journal of Animal Science. 99(7). Article skab147. https://doi.org/10.1093/jas/skab147.

Nitrous oxide and methane emissions from beef cattle feedyard pens following large rainfall events - (Peer Reviewed Journal)
Parker, D.B., Casey, K.D., Willis, W.M., Meyer, B.E. 2021. Nitrous oxide and methane emissions from beef cattle feedyard pens following large rainfall events. Transactions of the ASABE. 64(4):1211-1225. https://doi.org/10.13031/trans.14480.

Estimated energy model from bio-methane generated with hydraulic fracturing wastewater and beef cattle manure - (Abstract Only)

Evaluation of whole corn substitution in diets based on steam-flaked corn containing different concentrations of wet distillers grains with solubles for beef cattle - (Peer Reviewed Journal)
McDaniel, M.R., Tracey, L.N., Cole, N.A., Ivey, S.L., Loest, C.A. 2021. Evaluation of whole corn substitution in diets based on steam-flaked corn containing different concentrations of wet distillers grains with solubles for beef cattle. Applied Animal Science. 37(2):140-154. https://doi.org/10.15232/aas.2020-02124.

Mitigation of odor, NH3, H2S, GHG, and VOC emissions with current products for use in deep-pit swine manure storage structures - (Peer Reviewed Journal)
Chen, B., Koziel, J.A., Banik, C., Ma, H., Lee, M., Wi, J., Meiirkhanuly, Z., Andersen, D.S., Bialowiec, A., Parker, D.B. 2020. Mitigation of odor, NH3, H2S, GHG, and VOC emissions with current products for use in deep-pit swine manure storage structures. Frontiers in Environmental Science. 8:270. https://doi.org/10.3389/fenvs.2020.613646.

Meat goat diet supplementation with crude glycerin: Ruminal fermentation metabolism, blood chemistry profile, animal performance, and carcass traits - (Peer Reviewed Journal)
Garung, N., Tuoho, K., Abrahamsen, F., Min, B. 2021. Meat goat diet supplementation with crude glycerin: Ruminal fermentation metabolism, blood chemistry profile, animal performance, and carcass traits. Journal of Animal Physiology and Animal Nutrition. 105(3):470-477. https://doi.org/10.1111/jpn.13489.

Effects of the degree of steam flaking and dietary concentration of wet distillers grains on growth performance and carcass characteristics of feedlot cattle - (Peer Reviewed Journal)
Koch, B.M., Cole, N.A., Ponce, C.H., Bailey, E.A., Brown, M.S. 2020. Effects of the degree of steam flaking and dietary concentration of wet distillers grains on growth performance and carcass characteristics of feedlot cattle. Applied Animal Science. 36(6):808-819. https://doi.org/10.15232/aas.2020-02080.

The effect of plant tannins on methane and nitrous oxide emissions from dairy manure under laboratory conditions - (Abstract Only)
Min, B., Parker, D.B., Casey, K., Willis, W.M., Castleberry, B., Meyer, B.E., Robbe, H.A., Waldrip, H. 2020. The effect of plant tannins on methane and nitrous oxide emissions from dairy manure under laboratory conditions [abstract]. 2020 ASAS-CSAS-WSASAS Virtual Annual Meeting and Trade Show. Paper No. PSXI-25.

Prevalence of antibiotic resistance genes and bacterial community diversity from feces of pasture-raised broiler and layer chickens, swine, and beef cattle in the Southeastern USA - (Abstract Only)
Min, B., Castleberry, B., Rothrock Jr, M.J., Rutherford, L., Waldrip, H., Parker, D.B., Brauer, D.K., Pitta, D.W., Indugu, N. 2020. Prevalence of antibiotic resistance genes and bacterial community diversity from feces of pasture-raised broiler and layer chickens, swine, and beef cattle in the Southeastern USA [abstract]. 2020 ASAS-CSAS-WSASAS Virtual Annual Meeting and Trade Show. Paper No. PSXI-23.

Effects of diet quality on energy metabolism and methane production by beef steers fed a warm-season grass-based hay diet - (Peer Reviewed Journal)
Cole, N., Meyer, B.E., Parker, D.B., Neel, J.P., Turner, K.E., Northup, B.K., Jennings, T., Jennings, J. 2020. Effects of forage quality on energy metabolism and methane production by beef steers fed a warm-season grass-based hay diet. Applied Animal Science. 36:652-667. https://doi.org/10.15232/aas.2020-02025.

Effects of steam flaking on the carbon-footprint of finishing beef cattle - (Peer Reviewed Journal)
Cole, N., Parker, D.B., Brown, M.S., Jennings, J.S., Hales, K.E., Gunter, S.A. 2020. Effects of steam flaking on the carbon-footprint of finishing beef cattle. Translational Animal Science. 4(1):S84-S89. https://doi.org/10.1093/tas/txaa110.

Dietary mitigation of enteric methane emissions from ruminants: A review of plant tannin mitigation options - (Peer Reviewed Journal)
Min, B., Solaiman, S., Waldrip, H., Parker, D.B., Todd, R.W., Brauer, D.K. 2020. Dietary mitigation of enteric methane emissions from ruminants: A review of plant tannin mitigation options. Animal Nutrition. 6(3):231-246. https://doi.org/10.1016/j.aninu.2020.05.002.

Emissions from swine manure treated with current products for mitigation of odors and reduction of NH3, H2S, VOC, and GHG emissions - (Peer Reviewed Journal)
Chen, B., Koziel, J.A., Banik, C., Ma, H., Lee, M., Wi, J., Meiirkhanuly, Z., Andersen, D.S., Bialowiec, A., Parker, D.B. 2020. Emissions from swine manure treated with current products for mitigation of odors and reduction of NH3, H2S, VOC, and GHG emissions. Data. 5(2):54. https://doi.org/10.3390/data5020054.

Toward modeling of nitrous oxide emissions following precipitation, urine and feces deposition on beef cattle feedyard surfaces - (Peer Reviewed Journal)
Parker, D.B., Casey, K.D., Hales, K., Waldrip, H., Min, B., Cortus, E., Woodbury, B.L., Spiehs, M.J., Meyer, B.E., Willis, W.M. 2020. Toward modeling of nitrous oxide emissions following precipitation, urine and feces deposition on beef cattle feedyard surfaces. Transactions of the ASABE. 63(5):1371-1384. https://doi.org/10.13031/trans.13847.

Associative effects of wet distiller's grains, plus solubles and tannin-rich peanut skin supplementation on in vitro rumen fermentation, greenhouse gas emissions, and microbial changes - (Peer Reviewed Journal)
Min, B., Castleberry, B., Allen, H.K., Parker, D.B., Waldrip, H., Brauer, D.K., Willis, W.M. 2019. Associative effects of wet distiller's grains, plus solubles and tannin-rich peanut skin supplementation on in vitro rumen fermentation, greenhouse gas emissions, and microbial changes. Journal of Animal Science. 97(11):4668-4681. https://doi.org/10.1093/jas/skz317.

Enteric methane emissions of beef cows grazing tallgrass prairie pasture on the southern Great Plains - (Peer Reviewed Journal)
Todd, R.W., Moffet, C., Neel, J.P., Turner, K.E., Steiner, J., Cole, N.A. 2019. Enteric methane emissions of beef cows grazing tallgrass prairie pasture on the southern Great Plains. Transactions of the ASABE. 62(6):1455-1465. https://doi.org/10.13031/trans.13341.

Influence of tannin-rich pine bark supplementation in the grain mixes for meat goats: Growth performance, blood metabolites, and carcass characteristics - (Peer Reviewed Journal)
Reynolds, D., Min, B., Gurung, N., McElhenney, W., Lee, J.H., Solaiman, S., Bolden-Tiller, O. 2019. Influence of tannin-rich pine bark supplementation in the grain mixes for meat goats: Growth performance, blood metabolites, and carcass characteristics. Animal Nutrition. 6(2020):85-91. https://doi.org/10.1016/j.aninu.2019.09.003.

Greenhouse-gas emissions of beef finishing systems in the Southern High Plains - (Peer Reviewed Journal)
Heflin, K.R., Parker, D.B., Marek, G.W., Auvermann, B.W., Marek, T.H. 2019. Greenhouse-gas emissions of beef finishing systems in the Southern High Plains. Agricultural Systems. 176(2019):102674. https://doi.org/10.1016/j.agsy.2019.102674.

Nitrous oxide emissions from an open-lot beef cattle feedyard in Texas - (Peer Reviewed Journal)
Parker, D.B., Casey, K.D., Waldrip, H.M., Min, B.R., Woodbury, B.L., Spiehs, M.J., Willis, W. 2019. Nitrous oxide emissions from an open-lot beef cattle feedyard in Texas. Transactions of the ASABE. 62(5):1173-1183. https://doi.org/10.13031/trans.13396.

Influence of elevated protein and tannin-rich peanut skin supplementation on growth performance, blood metabolites, carcass traits, and immune-related gene expression of grazing meat goats - (Peer Reviewed Journal)
Min, B., McTear, K., Wang, H.H., Joakin, M., Gurung, N., Abrahamsen, F., Solaiman, S., Eun, J., Lee, J.H., Dietz, L.A., Zeller, W.E. 2019. Influence of elevated protein and tannin-rich peanut skin supplementation on growth performance, blood metabolites, carcass traits, and immune-related gene expression of grazing meat goats. Journal of Animal Physiology and Animal Nutrition. 104(1):88-100. https://doi.org/10.1111/jpn.13250.

How does long-term crop management affect soil organic matter in the Texas High Plains? - (Abstract Only)
Waldrip, H., Schwartz, R.C., He, Z., Todd, R.W., Baumhardt, R.L., Parker, D.B., Zhang, M. 2019. How does long-term crop management affect soil organic matter in the Texas High Plains? [abstract]. 74th SWCS International Annual Conference, July 28-31, 2019, Pittsburg, Pennsylvania. Paper No. 14.

Modern animal manure management: production, characteristics, and environmental concerns - (Abstract Only)
Waldrip, H., He, Z., Pagliari, P. 2019. Modern animal manure management: production, characteristics, and environmental concerns [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 10-13, 2019, San Antonio, TX. Paper No. 40-5.

Prediction of enteric methane production, yield and intensity of beef cattle using an intercontinental database - (Peer Reviewed Journal)
Van Lingen, H.J., Niu, M., Kebreab, E., Valadares Filho, S.C., Rooke, J.A., Duthie, C., Schwarm, A., Kreuzer, M., Hynd, P.I., Caetano, M., Eugene, M., Martin, C., McGee, M., O'Kiely, P., Hunerburg, M., McAllister, T.A., Berchielli, T.T., Messana, J.D., Peiren, N., Chaves, A.V., Charmley, E., Cole, N.A., Hales Paxton, K.E., Lee, S., Berndt, A., Reynolds, C.K., Crompton, L.A., Bayat, A., Yanez-Ruiz, D.R., Yu, Z., Bannink, A., Dijkstra, J., Casper, D.P., Hristov, A.N. 2019. Prediction of enteric methane production, yield and intensity of beef cattle using an intercontinental database. Agriculture, Ecosystems and Environment. 283:106575. https://doi.org/10.1016/j.agee.2019.106575.

Recent advances to improve nitrogen efficiency of grain-finishing cattle in North American and Australian feedlots - (Peer Reviewed Journal)
Cowley, F., Jennings, J., Cole, N., Beauchemin, K. 2019. Recent advances to improve nitrogen efficiency of grain-finishing cattle in North American and Australian feedlots. Animal Production Science. https://doi.org/10.1071/an19259.

Potential role of rumen microbiota in altering average daily gain and feed efficiency in meat goats fed simple and mixed pastures using bacterial tag-encoded FLX amplicon pyrosequencing - (Peer Reviewed Journal)
Min, B., Gurung, N., Shange, R., Solaiman, S. 2019. Potential role of rumen microbiota in altering average daily gain and feed efficiency in meat goats fed simple and mixed pastures using bacterial tag-encoded FLX amplicon pyrosequencing. Journal of Animal Science. 97(8):3523-3534. https://doi.org/10.1093/jas/skz193.

Nitrogen and phosphorus characteristics of beef and dairy manure - (Book / Chapter)
Pagliari, P., Wilson, M., Waldrip, H., He, Z. 2019. Nitrogen and phosphorus characteristics of beef and dairy manure. In: Waldrip, H.M., Pagliari, P.H., He, Z., editors. Animal Manure: Production, Characteristics, Environmental Concerns, and Management. ASA Special Publication 67. Madison, WI: American Society of Agronomy and Soil Science Society of America. p. 45-62.

Peanut skin in diet alters average daily gain, ruminal and blood metabolites, and carcass traits associated with Haemonchus contortus infection in meat goats - (Peer Reviewed Journal)
Min, B., Abrahamsen, F., Gurung, N., Lee, J.H., Joo, J.W., Pacheso, W. 2019. Peanut skin in diet alters average daily gain, ruminal and blood metabolites, and carcass traits associated with Haemonchus contortus infection in meat goats. Animal Nutrition. https://doi.org/10.1016/j.aninu.2019.05.006.

The effect of high levels of dietary zinc on growth performance, carcass characteristics, blood parameters, immune response and tissue minerals in growing Boer-cross goat kids - (Peer Reviewed Journal)
Solaiman, S., Min, B. 2019. The effect of high levels of dietary zinc on growth performance, carcass characteristics, blood parameters, immune response and tissue minerals in growing Boer-cross goat kids. Small Ruminant Research. 177:167-174. https://doi.org/10.1016/j.smallrumres.2019.05.018.

Associative effect of wet-distiller's grain plus soluble and tannin-rich peanut skin supplementation on in vitro rumen fermentation, greenhouse gas emissions, and microbiome changes - (Abstract Only)

Potential role of rumen microbiota in altering average daily gain and feed efficiency in meat goats fed simple and mixed pastures using bacterial tag-encoded FLX amplicon pyrosequencing - (Abstract Only)

Empirical model of annual nitrous oxide emissions from open-lot beef cattle feedyard pens (Version 2) - (Proceedings)
Parker, D.B., Casey, K.D., Cortus, E.L., Min, B., Waldrip, H., Woodbury, B.L., Spiehs, M.J. 2019. Empirical model of annual nitrous oxide emissions from open-lot beef cattle feedyard pens (Version 2). In: Proceedings of the 2019 ASABE Annual International Meeting, July 5-7, 2019, Boston, Massachusetts. Paper No. 1900299. p. 1-18.

Whole farm modeling: A systems approach to understanding and managing livestock for greenhouse gas mitigation, economic viability and environmental quality - (Book / Chapter)
Ahmed, M., Ahmad, S., Waldrip, H., Ramin, M., Raza, M. 2019. Whole farm modeling: A systems approach to understanding and managing livestock for greenhouse gas mitigation, economic viability and environmental quality. In: Waldrip, H.M., Pagliari, P.H., He, Z., editors. Animal Manure: Production, Characteristics, Environmental Concerns, and Management. ASA Special Publication 67. Madison, WI: American Society of Agronomy and Soil Science Society of America. p. 345-371.

Effects of wet corn distiller's grains with solubles and nonprotein nitrogen on feeding efficiency, growth performance, carcass characteristics, and nutrient losses of yearling steers - (Peer Reviewed Journal)
Ponce, C., Cole, N., Sawyer, J., Da Silva, J., Smith, D., Maxwell, C., Brown, M.S. 2019. Effects of wet corn distiller's grains with solubles and nonprotein nitrogen on feeding efficiency, growth performance, carcass characteristics, and nutrient losses of yearling steers. Journal of Animal Science. 97(6):2609-2630. https://doi.org/10.1093/jas/skz133.

Effects of supplemental fat concentration on feeding logistics, animal performance, and nutrient losses of heifers fed finishing diets based on steam-flaked corn and sorghum-based distillers grains - (Peer Reviewed Journal)
Silva, J., Cole, N.A., Ponce, C.H., Smith, D.R., Greene, L., Schuster, G., Brown, M.S. 2019. Effects of supplemental fat concentration on feeding logistics, animal performance, and nutrient losses of heifers fed finishing diets based on steam-flaked corn and sorghum-based distillers grains. Journal of Animal Science. 97(6):2583-2597. https://doi.org/10.1093/jas/skz130.

Bio-based green food packing films from agricultural waste: substituting peanut shell for synthetic plastics - (Abstract Only)
Naresh, S., Min, B., Rangari, V., Min, B., Gurung, N. 2019. Bio-based green food packing films from agricultural waste: substituting peanut shell for synthetic plastics [abstract]. Association of 1890 Research Directors (ARD) 19th Biennial Research Symposium, Jacksonville, Florida. Abstract No. 171.

Balancing personal-professional responsibilities - (Trade Journal)
Sengupta, A., Waldrip, H. 2018. Balancing personal-professional responsibilities. CSA News. 63(12):36-38. https://doi.org/10.2134/csa2018.63.1226.

Methane emissions of beef cows grazing early, late, and dormant season tallgrass prairie - (Abstract Only)

Enteric nitrous oxide emissions from beef cattle - (Peer Reviewed Journal)
Parker, D.B., Meyer, B.E., Jennings, T., Jennings, J., Dougherty, H., Cole, A.N., Casey, K. 2018. Enteric nitrous oxide emissions from beef cattle. Professional Animal Scientist. 34(6):594-607. https://doi.org/10.15232/pas.2018-01769.

Nitrous oxide from beef cattle feedyards: Understanding effects of microbial community structure, climate and manure properties - (Abstract Only)

Diurnal measurements of methane emissions from a feedyard pen surface in Texas during Spring - (Abstract Only)

Empirical model of annual nitrous oxide emissions from open-lot beef cattle feedyard pens in the southern high plains - (Proceedings)
Parker, D.B., Cortus, E.L., Casey, K.D., Marek, G.W., Heflin, K.R., Waldrip, H. 2018. Empirical model of annual nitrous oxide emissions from open-lot beef cattle feedyard pens in the southern high plains [abstract]. ASABE Annual International Meeting. Paper #1800508.

The effect of condensed tannin-containing pine bark diet on animal performance, carcass traits, and anthelmintic activity in meat goats grazing on Bermudagrass - (Abstract Only)

The effect of elevated protein supplementation and condensed tannin-rich peanut skin supplementation on animal performance, blood metabolites, and carcass traits in meat goats grazing winter forages - (Abstract Only)

Comparative aspects of plant tannins on digestive physiology, nutrition and microbial community changes in sheep and goats: A review - (Peer Reviewed Journal)
Min, B., Solaiman, S. 2018. Comparative aspects of plant tannins on digestive physiology, nutrition and microbial community changes in sheep and goats: A review. Journal of Animal Physiology and Animal Nutrition. 102(5):1181-1193. https://doi.org/10.1111/jpn.12938.

How do temperature and rainfall affect nitrous oxide emissions from open-lot beef cattle feedyard pens? - (Peer Reviewed Journal)
Parker, D.B., Waldrip, H., Casey, K.D., Woodbury, B.L., Spiehs, M.J., Webb, K., Willis, W.M. 2018. How do temperature and rainfall affect nitrous oxide emissions from open-lot beef cattle feedyard pens? Transactions of the ASABE. 61(3): 1049-1061. doi:10.13031/trans.12788.

Nitrous oxide from beef cattle feedyards: Understanding effects of microbial community structure, climate and manure properties on denitrification - (Abstract Only)
Waldrip, H., Parker, D.B., Miller, S., Miller, D.N., Durso, L.M., Casey, K., Todd, R.W., Cortus, E. 2018 [abstract]. Nitrous oxide from beef cattle feedyards: Understanding effects of microbial community structure, climate and manure properties on denitrification. ASABE Annual International Meeting. Paper #1801295.

Energy costs of feeding excess protein from corn-based byproducts to finishing cattle - (Peer Reviewed Journal)
Jennings, J.S., Meyer, B.E., Guiroy, P.J., Cole, N.A. 2018. Energy costs of feeding excess protein from corn-based byproducts to finishing cattle. Journal of Animal Science. 96:653-669. doi:10.1093/jas/sky021.

Use of new techniques to evaluate the environmental footprint of feedlot systems - (Peer Reviewed Journal)
Cole, N.A., Parker, D.B., Todd, R.W., Leytem, A.B., Dungan, R.S., Hales Paxton, K.E., Ivey, S., Jennings, J. 2018. Use of new techniques to evaluate the environmental footprint of feedlot systems. Translational Animal Science. 2:89-100. https://doi.org/10.1093/tas/txx001.

Unscrambling nitrous oxide production in beef cattle feedyard manure: Effect of temperature and water content on denitrification rates - (Abstract Only)

Corn yield and soil fertility with combined use of raw or composted beef manure and inorganic fertilizers on the texas northern high plains - (Peer Reviewed Journal)
Parker, D.B., Venhaus, D., Robinson, C., Marek, T., Sweeten, J. 2018. Corn yield and soil fertility with combined use of raw or composted beef manure and inorganic fertilizers on the texas northern high plains. Compost Science and Utilization. doi:10.1080/1065657X.2017.1366376.

Farm-scale testing of soybean peroxidase and calcium peroxide for surficial swine manure treatment and mitigation of odorous VOCs, ammonia and hydrogen sulfide - (Peer Reviewed Journal)
Maurer, D., Bruning, K., Koziel, J., Parker, D.B. 2017. Farm-scale testing of soybean peroxidase and calcium peroxide for surficial swine manure treatment and mitigation of odorous VOCs, ammonia and hydrogen sulfide. Atmospheric Environment. 166:467-478. doi:10.1016/j.atmosevn.2017.07.048.

Temporal nitrous oxide emissions from beef cattle feedlot manure following a simulated rainfall event - (Peer Reviewed Journal)
Parker, D.B., Waldrip, H., Casey, K.D., Todd, R.W., Willis, W.M., Webb, K. 2017. Temporal nitrous oxide emissions from beef cattle feedlot manure following a simulated rainfall event. Journal of Environmental Quality. 46:733-740 doi:10.2134/jeq2017.02.0042.

Diurnal variation in greenhouse fluxes from a feedyard pen surface - (Abstract Only)

How well do we understand nitrous oxide emissions from open-lot cattle systems? - (Proceedings)
Waldrip, H., Casey, K., Todd, R.W., Parker, D.B., Rotz, C.A., Cole, N.A. 2017. How well do we understand nitrous oxide emissions from open-lot cattle systems?. Waste to Worth Conference. Pg. 74413. Available at https://articles.extension.org/pages/74413/how-well-do-we-understand-nitrous-oxide-emissions-from-open-lot-cattle-systems.

Improved chamber systems for rapid, real-time nitrous oxide emissions from manure and soil - (Peer Reviewed Journal)
Parker, D.B., Todd, R.W., Waldrip, H., Webb, K., Willis, W.M., Meyer, B.E., Marek, G.W., Casey, K.D., Auvermann, B., Marek, T., Pemberton, B. 2017. Improved chamber systems for rapid, real-time nitrous oxide emissions from manure and soil. Transactions of the ASABE. 60:(4)1235-1258. doi:10.13031/trans.1215a.

Renewable biocatalyst for swine manure treatment and mitigation of odorous VOCs, ammonia and hydrogen sulfide emissions: Review - (Proceedings)
Maurer, D., Koziel, J.A., Bruning, K., Parker, D.B. 2017. Renewable biocatalyst for swine manure treatment and mitigation of odorous VOCs, ammonia and hydrogen sulfide emissions: ASABE Annual International Meeting. Paper No. 1701655:1-6, July 16-19, 2017, Spokane, Washington. doi:10.13031/aim.2101701655.

Pilot-scale concept of real-time wind speed-matching wind tunnel for measurements of gaseous emissions - (Proceedings)
Maurer, D., Koziel, J.A., Bruning, K., Parker, D.B. 2017. Pilot-scale concept of real-time wind speed-matching wind tunnel for measurements of gaseous emissions. ASABE Annual International Meeting. Paper No. 1701656. July 16-19, 2017, Spokane, Washington. https://doi: 10.13031/aim.201701656

Manure total nitrogen flux from condensed tannin fed beef cattle - (Proceedings)
Campbell, T., Rhoades, M., Bailey, E., Parker, D.B. 2017. Manure total nitrogen flux from condensed tannin fed beef cattle. ASABE Annual International Meeting. Paper No. 1701162. July 16-19, 2017, Spokane, Washington. https://doi: 10.13031/aim.201701162

Nutrient content of wheat and corn in response to the application of urea and the urease inhibitor NPBT - (Proceedings)
Hefley, C., Rhoades, M., Blaser, B., Parker, D.B. 2017. Nutrient content of wheat and corn in response to the application of urea and the urease inhibitor NPBT. ASABE Annual International Meeting. Paper No. 1701426. July 16-19, 2017, Spokane, Washington. p.1-11. https://doi: 10.13031/aim.201701426

Effects of energy supplementation on energy losses and nitrogen balance of steers fed green-chopped wheat pasture I. Calorimetry - (Peer Reviewed Journal)
Shreck, A., Ebert, P., Bailey, E., Jennings, J., Casey, K., Cole, N.A., Meyer, B.E. 2017. Effects of energy supplementation on energy losses and nitrogen balance of steers fed green-chopped wheat pasture I. Calorimetry. Journal of Animal Science. 95(5)2133-2143. https://doi.org/10.2527/jas.2017.1417.

Effects on roughage inclusion and particle size on digestion and ruminal fermentation characteristics of beef steers - (Peer Reviewed Journal)
Weiss, C.P., Gentry, W.W., Meredith, C.M., Meyer, B.E., Cole, N.A., Tedeschi, L.O., Mccollum, F.T., Jennings, J.S. 2017. Effects on roughage inclusion and particle size on digestion and ruminal fermentation characteristics of beef steers. Journal of Animal Science. 95:1701-1714. doi:10.2527/jas2016.1330.

Spatial variability in nitrous oxide and methane emissions from beef cattle feedyard pen surfaces - (Abstract Only)
Casey, K., Waldrip, H., Parker, D.B., Todd, R.W. 2017. Spatial variability in nitrous oxide and methane emissions from beef cattle feedyard pen surfaces. Waste to Worth Conference, April 18-21, 2017, Raleigh, NC.

The effect of zilpaterol hydrochloride supplementation on energy metabolism and nitrogen and carbon retention of steers fed at maintenance and fasting intake levels - (Peer Reviewed Journal)
Walters, L., Cole, N.A., Jennings, J., Hutcheson, J., Meyer, B.E., Schmitz, A.N., Reed, D.D. 2016. The effect of zilpaterol hydrochloride supplementation on energy metabolism and nitrogen and carbon retention of steers fed at maintenance and fasting intake levels. Journal of Animal Science. 94:4401-4414. doi:10.2527/jas2016-0612.