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Emilio Mauricio Ungerfeld

Investigador

INSTITUTO NACIONAL DE INVESTIGACIONES AGROPECUARIAS

Vilcún, Chile

Nutrición de rumiantes y microbiología del rumen

Ciencia Animal, MICHIGAN STATE UNIVERSITY. Estados Unidos, 2003
Nutrición Animal, University of Aberdeen. Reino Unido, 1998
Agronomía, Universidad de la República. Uruguay, 1991

Postdoctoral fellow Full Time

UNIVERSITY OF MARYLAND

College Park, MD, Estados Unidos

2004 - 2008
Postdoctoral fellow Full Time

AGRICULTURE AND AGRI-FOOD CANADA

Lethbridge, AB, Canada

2008 - 2011


<i>Feed additives for methane mitigation</i>: Recommendations for identification and selection of bioactive compounds to develop antimethanogenic feed additives Durmic, Zoey; Duin, Evert C.; Bannink, Andre; Belanche, Alejandro; Carbone, Vincenzo; Carro, M. Dolores; Crusemann, Max; Fievez, Veerle; Garcia, Florencia; Hristov, Alex; et al. Article ISI JOURNAL OF DAIRY SCIENCE (2025)
Effects of ratios of yak to cattle inocula on methane production and fiber digestion in rumen in vitro cultures Wang, W.; Guo, W.; Jiao, J.; Ungerfeld, E.M.; Jing, X.; Huang, X.; Degen, A. Allan; Li, Y.; Bi, S.; Long, R. Article Scopus JOURNAL OF INTEGRATIVE AGRICULTURE (2025)
Feed additives for methane mitigation: A guideline to uncover the mode of action of antimethanogenic feed additives for ruminants Belanche, Alejandro; Bannink, Andre; Dijkstra, Jan; Durmic, Zoey; Garcia, Florencia; Santos, Fernanda G.; Huws, Sharon; Jeyanathan, Jeyamalar; Lund, Peter; Mackie, Roderick I.; et al. Article ISI JOURNAL OF DAIRY SCIENCE (2025)
Feed additives for methane mitigation: Recommendations for testing enteric methane-mitigating feed additives in ruminant studies Hristov, Alexander N.; Bannink, Andre; Battelli, Marco; Belanche, Alejandro; Sanz, M. Cecilia Cajarville; Fernandez-Turren, Gonzalo; Garcia, Florencia; Jonker, Arjan; Kenny, David A.; Lind, Vibeke; et al. Article ISI JOURNAL OF DAIRY SCIENCE (2025)
Reductive acetogenesis is a dominant process in the ruminant hindgut Li, Qiushuang; Huo, Jiabin; Ni, Gaofeng; Zhang, Fan; Zhang, Shizhe; Zhang, Xiumin; Wang, Rong; Jiao, Jinzhen; Yu, Zhongtang; Pu, Xuanxuan; et al. Article ISI MICROBIOME (2025)
Volatile Cues from Fresh Cattle Dung Can Drive Horn Fly Egg-Laying and Fecal Attraction to Horn Flies, <i>Haematobia irritans</i> (Diptera: Muscidae) Espinoza, Javier; Soto, Isabel; Arriagada, Joaquin; Lizama, Marcelo; Aninao, Nehuen; Aninir, Washington; Ungerfeld, Emilio M.; Chacón-Fuentes, Manuel; Quiroz, Andres Article ISI INSECTS (2025)
Biological consequences of the inhibition of rumen methanogenesis Ungerfeld, E.M.; Pitta, D. Article WOS Core ANIMAL (2024)
Distinct microbial hydrogen and reductant disposal pathways explain interbreed variations in ruminant methane yield Li, Qiushuang; Ma, Zhi-Yuan; Huo, Jiabin; Zhang, Xiumin; Wang, Rong; Zhang, Shizhe; Jiao, Jinzhen; Dong, Xiyang; Janssen, Peter H.; Ungerfeld, Emilio M.; et al. Article ISI ISME JOURNAL (2024)
Effect of combining the methanogenesis inhibitor 3-nitrooxypropanol and cottonseeds on methane emissions, feed intake, and milk production of grazing dairy cows Muñoz, C.; Muñoz, I.A.; Rodriguez, R.; Urrutia, N.L.; Ungerfeld, E.M. Article WOS Core ANIMAL (2024)
Effects of Active Dry Yeast Supplementation in In Vitro and In Vivo Nutrient Digestibility, Rumen Fermentation, and Bacterial Community Liu, Haitao; Li, Fei; Ma, Zhi-Yuan; Ma, Miaomiao; Ungerfeld, Emilio; Zhang, Zhian; Weng, Xiuxiu; Liu, Baocang; Deng, Xiaoyu; Guo, Liqing Article ISI ANIMALS (2024)
Effects of an essential oil blend rich in cinnamaldehyde and carvacrol on rumen biohydrogenation and fatty acid profile in the <i>longissimus lumborum</i> of growing lambs Ma, Zhi-Yuan; Meng, Yarong; Li, Fei; Ungerfeld, Emilio; Lv, Jirong; Liu, Baocang; Li, Shirong; Wang, Xinji Article ISI JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE (2024)
Effects of type of substrate and dilution rate on fermentation in serial rumen mixed cultures Ungerfeld, E.M.; Cancino-Padilla, N.; Vera-Aguilera, N.; Scorcione, M. Carolina; Saldivia, M.; Lagos-Pailla, Lorena; Vera, M.; Cerda, C.; Muñoz, C.; Urrutia, N.; et al. Article WOS Core Collection FRONTIERS IN MICROBIOLOGY (2024)
Exploring the combination of<i> Asparagopsis</i><i> taxiformis</i> and phloroglucinol to decrease rumen methanogenesis and redirect hydrogen production in goats Romero, Pedro; Ungerfeld, Emilio M.; Popova, Milka; Morgavi, Diego P.; Yanez-Ruiz, David R.; Belanche, Alejandro Article ISI ANIMAL FEED SCIENCE AND TECHNOLOGY (2024)
Editorial: Rising stars in systems microbiology: 2021 Puniya, Anil Kumar; Griffith, Gareth Wyn; Ungerfeld, Emilio M. Article ISI FRONTIERS IN MICROBIOLOGY (2023)
Effects of supplementing a yeast culture in a pelleted total mixed ration on fiber degradation, fermentation parameters, and the bacterial community in the rumen of sheep Wang, Xuan; Li, Fei; Zhang, Nana; Ungerfeld, Emilio; Guo, Long; Zhang, Xiumin; Wang, Min; Ma, Zhi-Yuan Article ISI ANIMAL FEED SCIENCE AND TECHNOLOGY (2023)
Evaluating the effect of phenolic compounds as hydrogen acceptors when ruminal methanogenesis is inhibited<i> in</i><i> vitro</i>-Part 1. Dairy cows Huang, R.; Romero, P.; Belanche, A.; Ungerfeld, E. M.; Yanez-Ruiz, D.; Morgavi, D. P.; Popova, M. Article ISI ANIMAL (2023)
Evaluating the effect of phenolic compounds as hydrogen acceptors when ruminal methanogenesis is inhibited<i> in</i><i> vitro</i>-Part 2. Dairy goats Romero, P.; Huang, R.; Jimenez, E.; Palma-Hidalgo, J. M.; Ungerfeld, E. M.; Popova, M.; Morgavi, D. P.; Belanche, A.; Yanez-Ruiz, D. R. Article ISI ANIMAL (2023)
Rumen microbiome: interacting with host genetics, dietary nutrients metabolism, animal production, and environment Xu, Qingbiao; Ungerfeld, Emilio M.; Morgavi, Diego P.; Waters, Sinead M.; Liu, Jinxin; Du, Wenjuan; Zhao, Shengguo Article ISI FRONTIERS IN MICROBIOLOGY (2023)
3-Nitrooxypropanol substantially decreased methane emissions of dairy cows fed true protein- or urea-containing diets Garcia, M.F.; Muñoz, C.; Martínez-Ferrer, J.; Urrutia, N.L.; Martínez, E.D.; Saldivia, M.; Immig, Irmgard; Kindermann, Maik; Walker, N.; Ungerfeld, E.M. Article WOS Core Collection HELIYON (2022)
Current Perspectives on Achieving Pronounced Enteric Methane Mitigation From Ruminant Production Ungerfeld, E.M.; Beauchemin, K.A.; Muñoz, C.M. Article Web of Science Emerging Sources Citation Index Frontiers in Animal Science (2022)
Dietary selection of metabolically distinct microorganisms drives hydrogen metabolism in ruminants Li, Qiu Shuang; Wang, Rong; Ma, Zhi Yuan; Zhang, Xiu Min; Jiao, Jin Zhen; Zhang, Zhi Gang; Ungerfeld, Emilio M.; Yi, Kang Le; Zhang, Bai Zhong; Long, Liang; et al. Article ISI ISME JOURNAL (2022)
Effect of <i>Lactobacillus plantarum</i> Inoculation on Chemical Composition, Fermentation, and Bacterial Community Composition of Ensiled Sweet Corn Whole Plant or Stover Ma, Zhi-Yuan; Ungerfeld, Emilio; Ouyang, Zhu; Zhou, Xiao-Ling; Han, Xue-Feng; Zeng, Yan-Qin; Tan, Zhi-Liang Article ISI FERMENTATION-BASEL (2022)
Feeding strategies to mitigate enteric methane emission from ruminants in grassland systems Vargas, J.; Ungerfeld, E.M.; Muñoz, C.; DiLorenzo, N. Article WOS Core Collection ANIMALS (2022)
Opportunities and hurdles to the adoption and enhanced efficacy of feed additives towards pronounced mitigation of enteric methane emissions from ruminant livestock Ungerfeld, E.M. Article BibCnrs Methane (2022)
Supplementation of Rumen-Protected Glucose Increased the Risk of Disturbance of Hepatic Metabolism in Early Postpartum Holstein Cows Ma, Zhi-Yuan; Fang, Luoyun; Ungerfeld, Emilio; Li, Xiaopeng; Zhou, Chuanshe; Tan, Zhi-Liang; Jiang, Linshu; Han, Xue-Feng Article ISI ANTIOXIDANTS (2022)
Validation of grass metabolizable energy prediction equation by Garrido and Mann (1981) for dairy cows in southern Chile Muñoz, C.; Salfate, S.; Ungerfeld, E.M.; Urrutia, N.L.; Muñoz, I. Article Science Citation Index Expanded CHILEAN JOURNAL OF AGRICULTURAL RESEARCH (2022)
Antifeedant Effects and Repellent Activity of Loline Alkaloids from Endophyte-Infected Tall Fescue against Horn Flies, <i>Haematobia irritans</i> (Diptera: Muscidae) Ungerfeld, Emilio Article ISI MOLECULES (2021)
Association of fibre degradation with ruminal dissolved hydrogen in growing beef bulls fed with two types of forages Lin, Bo; Ma, Zhi Yuan; Wu, Ting Ting; Wen, Jiang Nan; Zhang, Xiu Min; Deng, Jin Ping; Tan, Zhi Liang Article BRITISH JOURNAL OF NUTRITION (2020)
Fifty years of research on rumen methanogenesis - lessons learned and future challenges for mitigation Beauchemin, K.A.; Ungerfeld, E.M.; Eckard, R.; Wang, M. Article WOS Core Collection ANIMAL (2020)
Inhibiting Methanogenesis Stimulated de novo Synthesis of Microbial Amino Acids in Mixed Rumen Batch Cultures Growing on Starch but not on Cellulose Aedo, M. Fernanda; Martinez, Emilio D.; Saldivia, Marcelo Article ISI MICROORGANISMS (2020)
Metabolic Hydrogen Flows in Rumen Fermentation: Principles and Possibilities of Interventions Ungerfeld, E.M. Article WOS Core Collection FRONTIERS IN MICROBIOLOGY (2020)
Ratios of rumen inoculum from Tibetan and Small-tailed Han sheep influenced in vitro fermentation and digestibility Wang, Weiwei; Ungerfeld, E.M.; Degen, A. Allan; Jing, Xiaoping; Guo, Wei; Zhou, Jianwei; Huang, Xiaodan; Mudassar, Shah; Shi, Fuyu; Bi, Sisi; et al. Article Animal Feed Science and Technology (2020)
Effects of feeding unprocessed oilseeds on methane emission, nitrogen utilization efficiency and milk fatty acid profile of lactating dairy cows Muñoz, C.; Sánchez, R.; Peralta, A.M.T.; Espíndola, S.; Yan, T.; Morales, R.; Ungerfeld, E.M. Article ANIMAL FEED SCIENCE AND TECHNOLOGY (2019)
Factors associated with the content of mammary-synthesized fatty acids in milk fat: A meta-analysis VÃ¡sconez-MontÃºfar C. Article ISI SCOPUS JOURNAL OF DAIRY SCIENCE (2019)
Inhibiting Methanogenesis in Rumen Batch Cultures Did Not Increase the Recovery of Metabolic Hydrogen in Microbial Amino Acids Article ISI SCOPUS MICROORGANISMS (2019)
Effects of dietary concentrate supplementation on enteric methane emissions and performance of late lactation dairy cows Muñoz, C.; Herrera, D.; Hube, S.; Morales, J.; Ungerfeld, E.M. Article WOS CHILEAN JOURNAL OF AGRICULTURAL RESEARCH (2018)
In vitro rumen fermentation and effect of protein fractions of canola meals on methane production Ramirez-Bribiesca, JE; McAllister, T; Ungerfeld, E; Ortega-Cerrilla, ME Article SCIENTIA AGRICOLA (2018)
Influence of season and diet on fiber digestion and bacterial community structure in the rumen of muskoxen (Ovibos moschatus) Ungerfeld, E.; Leigh, M.B.; Forster, R.; Barboza, P. Article Microorganisms (2018)
Inhibition of rumen methanogenesis and ruminant productivity: A meta-analysis Article ISI SCOPUS Frontiers in Veterinary Science (2018)
Nitrate improves ammonia incorporation into rumen microbial protein in lactating dairy cows fed a low-protein diet Deng J.P.; Tan Z.L. Article ISI SCOPUS Journal of Dairy Science (2018)
Molecular hydrogen generated by elemental magnesium supplementation alters rumen fermentation and microbiota in goats Wang, M; Wang, R; Zhang, XM; Ungerfeld, EM; Long, DL; Mao, HX; Jiao, JZ; Beauchemin, KA; Tan, ZL Article British Journal of Nutrition (2017)
Redirection of Metabolic Hydrogen by Inhibiting Methanogenesis in the Rumen Simulation Technique (RUSITEC) Guyader, Jessie.; Ungerfeld, Emilio M.; Beauchemin, Karen A. Article Frontiers in Microbiology (2017)
Redirection of metabolic hydrogen by inhibiting methanogenesis in the rumen simulation technique (RUSITEC) Guyader J., Ungerfeld E.M. Article Frontiers in Microbiology (2017)
Effects of pregrazing herbage mass in late spring on enteric methane emissions, dry matter intake, and milk production of dairy cows Letelier, Paulina A.; Ungerfeld, Emilio M.; Morales, Jorge M.; Hube, Sara; Pérez-Prieto, Lucio Article ISI SCOPUS JOURNAL OF DAIRY SCIENCE (2016)
Effects of pregrazing herbage mass in late spring on enteric methane emissions, dry matter intake, and milk production of dairy cows Muñoz, Camila; Letelier, Paulina A.; Ungerfeld, Emilio M.; Morales, Jorge M.; Hube, Sara; Pérez-Prieto, Lucio Article Journal of Dairy Science (2016)
Milk fatty acid profile is modulated by DGAT1 and SCD1 genotypes in dairy cattle on pasture and strategic supplementation Carvajal, A. M.; Huircan P.; Dezamour J.M.; Subiabre, I; Kerr, B.; Morales, R. Article ISI SCOPUS GENETICS AND MOLECULAR RESEARCH (2016)
Supersaturation of Dissolved Hydrogen and Methane in Rumen of Tibetan Sheep Wang, M; Ungerfeld, EM; Wang, R; Zhou, CS; Basang, ZZ; Ao, SM; Tan, ZL Article FRONTIERS IN MICROBIOLOGY (2016)
A comparison of milk fatty acid profile among three different dairy production systems in Los Rios District, Chile R Morales; F Lanuza; I Subiabre; AM Carvajal; F Canto; EM Ungerfeld Article Archivos de Medicina Veterinaria (2015)
A comparison of milk fatty acid profile among three different dairy production systems in Los Ríos District, Chile R Morales, F Lanuza; I Subiabre, AM Carvajal; F Canto, EM Ungerfeld Article Archivos de medicina veterinaria (2015)
Anaerobic digestibility of beef hooves with swine manure or slaughterhouse sludge Xia Y., Wang; DK, Kong; Y, Ungerfeld; EM, Seviour; R, Masse Article Waste Management (2015)
Anaerobic digestibility of beef hooves with swine manure or slaughterhouse sludge Xia, Y.; Wang, D.-K.; Kong, Y.; Ungerfeld, E.M.; Seviour, R.; Massé, D.I. Article Waste Management (2015)
Effects of concentrate supplementation on enteric methane emissions and milk production of grazing dairy cows Muñoz, C.; Hube, S.; Morales, J.M.; Yan, T.; Ungerfeld, E.M. Article Livestock Science (2015)
Limits to dihydrogen incorporation into electron sinks alternative to methanogenesis in ruminal fermentation Ungerfeld, E.M. Article Frontiers in Microbiology (2015)
Shifts in metabolic hydrogen sinks in the methanogenesis-inhibited ruminal fermentation: a meta-analysis Ungerfeld, E.M. Article Frontiers in Microbiology (2015)
Use of tannins to improve fatty acids profile of meat and milk quality in ruminants: A review Morales, R.; Ungerfeld, E.M. Article SCIELO CHILEAN JOURNAL OF AGRICULTURAL RESEARCH (2015)
Inclusion of glycerol in forage diets increases methane production in a rumen simulation technique (RUSITEC) system Avila-Stagno, J., Chaves, A.V., de O. Ribeiro, G. Jr., Ungerfeld, E.M., and McAllister, T.A. Article British Journal of Nutrition (2014)
A theoretical comparison between two ruminal electron sinks Ungerfeld, EM Article FRONTIERS IN MICROBIOLOGY (2013)
Anaerobic digestion of chicken feather with swine manure or slaughterhouse sludge for biogas production Xia Y.; Masse, DI; McAllister, TA; Beaulieu, C; Ungerfeld E. Article ISI WASTE MANAGEMENT (2012)
A meta-analysis of malate effects on methanogenesis in ruminal batch cultures Ungerfeld, EM; Forster, RJ Article Animal Feed Science and Technology, (2011)
Isolation of high-quality total RNA from rumen anaerobic bacteria and fungi, and subsequent detection of glycoside hydrolases Wang, P. Qi, M., Barboza, P., Leigh, M. B., Ungerfeld, E., Selinger, L. B., McAllister, T. A. and Robert J. Forster. Article Canadian Journal of Microbiology (2011)
Snapshot of the Eukaryotic Gene Expression in Muskoxen Rumen-A Metatranscriptomic Approach Qi, M; Wang P.; O'Toole, N; Barboza, PS; Ungerfeld E.; Leigh, MB; Selinger, LB; Butler, G; Tsang, A; McAllister, TA; et al. Article ISI PLOS ONE (2011)
The Effects of Thiamine Inhibition on Ruminal Fermentation=> a Preliminary Study Ungerfeld, EM; Rust, SR Article Folia Microbiologica (2009)
Effects of direct-fed microbial supplementation on digestibility and fermentation end-products in horses fed low- and high-starch concentrates Swyers, K. L., Burk, A. O., Hartsock, T. G., Ungerfeld, E. M., and J. L. Shelton Article Journal of Animal Science (2008)
A meta-analysis of fumarate effects on ruminal fermentation Ungerfeld, E. M., Kohn, R. A., Wallace, R. J., and Newbold, C. J. Article Journal of Animal Science (2007)
Increases in microbial N production and efficiency in vitro with three inhibitors of ruminal methanogenesis Ungerfeld, E. M., Rust, S. R., and Burnett, R. Article Canadian Journal of Microbiology (2007)
Effects of butyrate precursors on electron relocation when methanogenesis is inhibited in ruminal mixed cultures Ungerfeld, E. M., Rust, S. R., and Burnett, R. Article Letters of Applied Microbiology (2006)
Effects of two lipids on in vitro ruminal methane production Ungerfeld, E. M., Rust, S. R., Burnett, R. J., Yokoyama, M. T., and Wang, J. K. Article Animal Feed Science and Technology (2005)
Effects of several inhibitors on pure cultures of ruminal methanogens Ungerfeld, E. M., Rust, S. R., Boone, D. R., and Liu, Y. Article Journal of Applied Microbiology (2004)
Attempts to inhibit ruminal methanogenesis by blocking pyruvate oxidative decarboxylation Ungerfeld, E. M., Rust, S. R., and Burnett, R. Article Canadian Journal of Microbiology (2003)
Use of some novel electron sinks to inhibit ruminal methanogenesis Ungerfeld, E. M., Rust, S. R., and Burnett, R. Article Reproduction Nutrition Development (2003)


Factors influencing the efficiency of rumen energy metabolism Ungerfeld, E.M.; Hackmann, Timothy J.; Mackie, R.I.; McSweeney, C.S. BookSection (2020)
Utilization of organic acids to manipulate ruminal fermentation Carro M.D.; Ungerfeld, E.M.; Puniya, A.K.; Singh, R.; Kamra, D.N. BookSection (2015)
The role of thermodynamics in the control of ruminal fermentation Ungerfeld, E.M.; Kohn, R.A.; Sejrsen, K.; Hvelplund; Nielsen, M.O. BookSection (2006)


Engineering Rumen Metabolic Pathways: Where We Are, and Where Are We Heading Ungerfeld, E.M.; Newbold, C.J.; Ungerfeld, E.M.; Newbold, C.J. BookWhole (2018)


Stimulation of metabolic hydrogen sinks alternative to methane in rumen fermentation Ungerfeld, E.M.; Muñoz, C.; Urrutia, N.L.; Cerda, C.; Martínez, E.D. Proyecto (2019)
Interaction between the inhibition of ruminal methanogenesis and microbial protein production in the rumen FONDECYT (1160764) Proyecto 2016-2019 Inv. Principal
Effects of oilseed supplementation on methane emissions, nitrogen utilization efficiency and milk fatty acid profile of dairy cows FONDECYT (115355) Proyecto 2015-2018 Coinvestigador(a)
Potential of the condensed tannins of Lotus uliginosus to inhibit biohydrogenation and improve beef quality FONDECYT (1151095) Proyecto 2015-2019 Coinvestigador(a)
Meta-análisis del contenido de butirato en la leche Innova Corfo Proyecto 2012-2013 Director(a)
Physico-chemical control of hydrogen dynamics in ruminal fermentation FONDECYT (1121148) Proyecto 2012-2015 Inv. Principal


Review: Reducing enteric methane emissions improves energy metabolism in livestock: is the tenet right? Morgavi, D. P.; Cantalapiedra-Hijar, G.; Eugene, M.; Martin, C.; Noziere, P.; Popova, M.; Ortigues-Marty, I.; Munoz-Tamayo, R.; Ungerfeld, E. M. Review ISI ANIMAL (2023)
<i>Invited review:</i> Current enteric methane mitigation options Beauchemin, Karen A.; Ungerfeld, Emilio M.; Abdalla, Adibe L.; Alvarez, Clementina; Arndt, Claudia; Becquet, Philippe; Benchaar, Chaouki; Berndt, Alexandre; Mauricio, Rogerio M.; McAllister, Tim A.; et al. Review ISI JOURNAL OF DAIRY SCIENCE (2022)