Abecia, L, Toral, PG, Martín-García, AI, Martínez, G, Tomkins, NW, Molina-Alcaide, E, Newbold, CJ and Yáñez-Ruiz, DR 2012. Effect of bromochloromethane on methane emission, rumen fermentation pattern, milk yield, and fatty acid profile in lactating dairy goats. Journal of Dairy Science 95, 2027–2036.
Alemu, AW, Vyas, D, Manafiazar, G, Basarab, JA and Beauchemin, KA 2017. Enteric methane emissions from low- and high-residual feed intake beef heifers measured using GreenFeed and respiration chamber techniques. Journal of Animal Science 95, 3727–3737.
Barnett, MC, Goopy, JP, McFarlane, JR, Godwin, IR, Nolan, JV and Hegarty, RS 2012. Triiodothyronine influences digesta kinetics and methane yield in sheep. Animal Production Science 52, 572–577.
Barnett, MC, McFarlane, JR and Hegarty, RS 2015. Low ambient temperature elevates plasma triiodothyronine concentrations while reducing digesta mean retention time and methane yield in sheep. Journal of Animal Physiology and Animal Nutrition 99, 483–491.
Bauchop, T and Martucci, RW 1968. Ruminant-like digestion of the langur monkey. Science 161, 698–700.
Ben Shabat, SK, Sasson, G, Doron-Faigenboim, A, Durman, T, Yaacoby, S, Miller, MEB, White, BA, Shterzer, N and Mizrahi, I 2016. Specific microbiome-dependent mechanisms underlie the energy harvest efficiency of ruminants. ISME Journal 10, 2958.
Brouwer, E 1965. Report of sub-committee on constants and factors. In Energy metabolism. (ed. Blaxter, K 1965. Report of sub-committee on constants and factors. In Energy metabolism. (ed. ), pp. 441–443. Academic Press, London, UK.
Cabezas-Garcia, EH, Krizsan, SJ, Shingfield, KJ and Huhtanen, P 2017. Between-cow variation in digestion and rumen fermentation variables associated with methane production. Journal of Dairy Science 100, 4409–4424.
Clauss, M, Frey, R, Kiefer, B, Lechner-Doll, M, Loehlein, W, Polster, C, Rössner, GE and Streich, WJ 2003. The maximum attainable body size of herbivorous mammals: morphophysiological constraints on foregut, and adaptations of hindgut fermenters. Oecologia 136, 14–27.
Clauss, M, Hume, ID and Hummel, J 2010. Evolutionary adaptations of ruminants and their potential relevance for modern production systems. Animal 4, 979–992.
Clauss, M and Hummel, J 2005. The digestive performance of mammalian herbivores: why big may not be that much better. Mammal Review 35, 174–187.
Clauss, M and Hummel, J 2017. Physiological adaptations of ruminants and their potential relevance for production systems. Revista Brasileira de Zootecnia 46, 606–613.
Clauss, M, Steuer, P, Müller, DWH, Codron, D and Hummel, J 2013. Herbivory and body size: allometries of diet quality and gastrointestinal physiology, and implications for herbivore ecology and dinosaur gigantism. PLoS ONE 8, e68714.
Codron, D, Clauss, M, Codron, J and Tütken, T 2018. Within trophic level shifts in collagen-carbonate stable carbon isotope spacing are propagated by diet and digestive physiology in large mammal herbivores. Ecology and Evolution 8, 3983–3995.
Crutzen, PJ, Aselmann, I and Seiler, W 1986. Methane production by domestic animals, wild ruminants, other herbivorous fauna, and humans. Tellus 38B, 271–284.
Danielsson, R, Schnürer, A, Arthurson, V and Bertilsson, J 2012. Methanogenic population and CH4 production in Swedish dairy cows fed different levels of forages. Applied and Environmental Microbiology 78, 6172–6179.
Dellow, DW, Hume, ID, Clarke, RTJ and Bauchop, T 1988. Microbial activity in the forestomach of free-living macropodid marsupials: comparisons with laboratory studies. Australian Journal of Zoology 36, 383–395.
Dittmann, MT, Hammond, KJ, Kirton, P, Humphries, DJ, Crompton, LA, Ortmann, S, Misselbrook, TH, Südekum, K-H, Schwarm, A, Kreuzer, M, Reynolds, CK and Clauss, M 2016. Influence of ruminal methane on digesta retention and digestive physiology in non-lactating dairy cattle. British Journal of Nutrition 116, 763–773.
Dittmann, MT, Runge, U, Lang, RA, Moser, D, Galeffi, C, Kreuzer, M and Clauss, M 2014. Methane emission by camelids. PLoS ONE 9, e94363.
Fievez, V, Mbanzamihigo, L, Piattoni, F and Demeyer, D 2001. Evidence for reductive acetogenesis and its nutritional significance in ostrich hindgut as estimated from in vitro incubations. Journal of Animal Physiology and Animal Nutrition 85, 271–280.
Flay, HE, Kuhn-Sherlock, B, Macdonald, KA, Camara, M, Lopez-Villalobos, N, Donaghy, DJ and Roche, JR 2019. Selecting cattle for low residual feed intake did not affect daily methane production but increased methane yield. Journal of Dairy Science 102, 2708–2713.
Fonty, G, Joblin, K, Chavarot, M, Roux, R, Naylor, G and Michallon, F 2007. Establishment and development of ruminal hydrogenotrophs in methanogen-free lambs. Applied Environmental Microbiology 73, 6391–6403.
Franz, R, Soliva, CR, Kreuzer, M, Hummel, J and Clauss, M 2011. Methane output of rabbits (Oryctogalus cuniculus) and guinea pigs (Cavia porcellus) fed a hay-only diet: implications for the scaling of methane production with body mass in non-ruminant mammalian herbivores. Comparative Biochemistry and Physiology A 158, 177–181.
Franz, R, Soliva, CR, Kreuzer, M, Steuer, P, Hummel, J and Clauss, M 2010. Methane production in relation to body mass of ruminants and equids. Evolutionary Ecology Research 12, 727–738.
Freetly, HC, Lindholm-Perry, AK, Hales, KE, Brown-Brandl, TM, Kim, M, Myer, PR and Wells, JE 2015. Methane production and methanogen levels in steers that differ in residual gain. Journal of Animal Science 93, 2375–2381.
Frei, S, Hatt, J-M, Ortmann, S, Kreuzer, M and Clauss, M 2015. Comparative methane emission by ratites: differences in food intake and digesta retention level out methane production. Comparative Biochemistry and Physiology A 188, 70–75.
Fritz, SA, Bininda-Emonds, ORP and Purvis, A 2009. Geographical variation in predictors of mammalian extinction risk: big is bad, but only in the tropics. Ecology Letters 12, 538–549.
Ghoshal, UC, Srivastava, D and Misra, A 2018. A randomized double-blind placebo-controlled trial showing rifaximin to improve constipation by reducing methane production and accelerating colon transit: a pilot study. Indian Journal of Gastroenterology 37, 416–423.
Goodrich, JK, Waters, JL, Poole, AC, Sutter, JL, Koren, O, Blekhman, R, Beaumont, M, Van Treuren, W, Knight, R, Bell, JT and Spector, TD 2014. Human genetics shape the gut microbiome. Cell 159, 789–799.
Goopy, JP, Donaldson, A, Hegarty, R, Vercoe, PE, Haynes, F, Barnett, M and Oddy, VH 2014. Low-methane yield sheep have smaller rumens and shorter rumen retention time. British Journal of Nutrition 111, 578–585.
Goto, M, Ito, C, Sani Yahaya, M, Wakai, Y, Asano, S, Oka, Y, Ogawa, S, Fruta, M and Kataoka, T 2004. Characteristics of microbial fermentation and potential digestibility of fiber in the hindgut of dugongs (Dugong dugon). Marine and Freshwater Behaviour and Physiology 37, 99–107.
Grandl, F, Schwarm, A, Ortmann, S, Furger, M, Kreuzer, M and Clauss, M 2018. Kinetics of solutes and particles of different size in the digestive tract of cattle of 0.5 to 10 years of age, and relationships with methane production. Journal of Animal Physiology and Animal Nutrition 102, 639–651.
Gurnsey, MP, Jones, WT and Reid, CSW 1980. A method for investigating salivation in cattle using pilocarpine as a sialagogue. New Zealand Journal of Agricultural Research 23, 33–41.
Hackstein, JH and Stumm, CK 1994. Methane production in terrestrial arthropods. Proceedings of the National Academy of Sciences 91, 5441–5445.
Hackstein, JHP and Van Alen, TA 1996. Fecal methanogens and vertebrate evolution. Evolution 50, 559–572.
Hagen, KB, Frei, S, Ortmann, S, Głogowski, R, Kreuzer, M and Clauss, M 2019. Digestive physiology, resting metabolism and methane production of captive juvenile nutria (Myocastor coypus). European Journal of Wildlife Research 65, 2.
Hammond, KJ, Pacheco, D, Burke, JL, Koolaard, JP, Muetzel, S and Waghorn, GC 2014. The effects of fresh forages and feed intake level on digesta kinetics and enteric methane emissions from sheep. Animal Feed Science and Technology 193, 32–43.
Holleman, DF and White, RG 1989. Determination of digesta fill and passage rate from non absorbed particulate phase markers using the single dosing method. Canadian Journal of Zoology 67, 488–494.
Hristov, AN, Oh, J, Giallongo, F, Frederick, TW, Harper, MT, Week, HL, Branco, AF, Moate, PJ, Deighton, MH, Williams, SRO, Kindermann, M and Duval, S 2015. An inhibitor persistently decreased enteric methane emission from dairy cows with no negative effect on milk production. Proceedings of the National Academy of Science 112, 10663–10668.
Isaacson, HR, Hinds, FC, Bryant, MP and Owens, FN 1975. Efficiency of energy utilization by mixed rumen bacteria in continuous culture. Journal of Dairy Science 58, 1645–1659.
Jahng, J, Jung, IS, Choi, EJ, Conklin, JL and Park, H 2012. The effects of methane and hydrogen gases produced by enteric bacteria on ileal motility and colonic transit time. Neurogastroenterology and Motility 24, 185–192.
Jensen, BB 1996. Methanogenesis in monogastric animals. Environmental Monitoring and Assessment 42, 99–112.
Knight, T, Ronimus, RS, Dey, D, Tootill, C, Naylor, G, Evans, P, Molano, G, Smith, A, Tavendale, M, Pinares-Patiño, CS and Clark, H 2011. Chloroform decreases rumen methanogenesis and methanogen populations without altering rumen function in cattle. Animal Feed Science and Technology 166, 101–112.
Lambert, JE and Fellner, V 2012. In vitro fermentation of dietary carbohydrates consumed by African apes and monkeys: preliminary results for interpreting microbial and digestive strategy. International Journal of Primatology 33, 263–281.
Lassey, KR, Ulyatt, MJ, Martin, RJ, Walker, CF and Shelton, ID 1997. Methane emissions measured directly from grazing livestock in New Zealand. Atmospheric Environment 31, 2905–2914.
Marsh, H, Spain, AV and Heinsohn, GE 1978. Physiology of the dugong. Comparative Biochemistry and Physiology A 61, 159–168.
Matsui, H, Kato, Y, Chikaraishi, T, Moritani, M, Ban-Tokuda, T and Wakita, M 2010. Microbial diversity in ostrich ceca as revealed by 16S ribosomal RNA gene clone library and detection of novel Fibrobacter species. Anaerobe 16, 83–93.
McCrabb, GJ, Berger, KT, Magner, T, May, C and Hunter, RA 1997. Inhibiting methane production in Brahman cattle by dietary supplementation with a novel compound and the effects on growth. Australian Journal of Agricultural Research 48, 323–329.
McDonnell, RP, Hart, KJ, Boland, TM, Kelly, AK, McGee, M and Kenny, DA 2016. Effect of divergence in phenotypic residual feed intake on methane emissions, ruminal fermentation, and apparent whole-tract digestibility of beef heifers across three contrasting diets. Journal of Animal Science 94, 1179–1193.
Middelbos, IS, Bauer, LS and Fahey, GC 2008. In vitro evaluation of methanogenesis in the dog. FASEB Journal 22, 444.
Miramontes-Carrillo, JM, Ibarra, AJ, Ramírez, RM, Ibarra, AFJ, Miramontes, VAL and Lezama, GR 2008. Poblaciones bacterianas utilizadoras de hidrógeno presentes en el tracto gastrointestinal del avestruz (Struthio camelus var. domesticus). Avances en Investigación Agropecuaria 12, 43–54.
Moate, PJ, Clarke, T, Davis, LH and Laby, RH 1997. Rumen gases and bloat in grazing dairy cows. Journal of Agricultural Science 129, 459–469.
Morris, CA, Cullen, NG and Geertsema, HG 1997. Genetic studies of bloat susceptibility in cattle. Proceedings of the New Zealand Society of Animal Production 57, 19–21.
Müller, DWH, Codron, D, Meloro, C, Munn, A, Schwarm, A, Hummel, J and Clauss, M 2013. Assessing the Jarman-Bell Principle: scaling of intake, digestibility, retention time and gut fill with body mass in mammalian herbivores. Comparative Biochemistry and Physiology A 164, 129–140.
Müller, DWH, Codron, D, Werner, J, Fritz, J, Hummel, J, Griebeler, EM and Clauss, M 2012. Dichotomy of eutherian reproduction and metabolism. Oikos 121, 102–115.
Munn, A, Stewart, M, Price, E, Peilon, A, Savage, T, Van Ekris, I and Clauss, M 2015. Comparison of gut fill in sheep (Ovis aries) measured by intake, digestibility, and digesta retention compared with measurements at harvest. Canadian Journal of Zoology 93, 747–753.
Munn, AJ, Tomlinson, S, Savage, T and Clauss, M 2012. Retention of different-sized particles and derived gut fill estimate in tammar wallabies (Macropus eugenii): physiological and methodological considerations. Comparative Biochemistry and Physiology A 161, 243–249.
Nakamura, N, Lin, HC, McSweeney, CS, Mackie, RI and Gaskins, HR 2010. Mechanisms of microbial hydrogen disposal in the human colon and implications for health and disease. Annual Review of Food Science and Technology 1, 363–395.
Nolan, JV, Hegarty, RS, Hegarty, J, Godwin, IR and Woodgate, R 2010. Effects of dietary nitrate on fermentation, methane production and digesta kinetics in sheep. Animal Production Science 50, 801–806.
Ohwaki, K, Hungate, RE, Lotter, L, Hofmann, RR and Maloiy, G 1974. Stomach fermentation in East African colobus monkeys in their natural state. Applied Microbiology 27, 713–723.
Okine, EK, Mathison, GW and Hardin, RT 1989. Effects of changes in frequency of reticular contractions on fluid and particulate passage rates in cattle. Journal of Animal Science 67, 3388–3396.
Orme, D, Freckleton, RP, Thomas, G, Petzoldt, T, Fritz, SA, Isaac, NJB and Pearse, W 2013. caper: comparative analyses of phylogenetics and evolution in R. R package version 0.5.2. Retrieved on 15 January 2014 from https://CRAN.R-project.org/package=caper
Ouwerkerk, D, Maguire, AJ, McMillen, L and Klieve, AV 2009. Hydrogen utilising bacteria from the forestomach of eastern grey (Macropus giganteus) and red (Macropus rufus) kangaroos. Animal Production Science 49, 1043–1051.
Pérez-Barbería, FJ 2017. Scaling methane emissions in ruminants and global estimates in wild populations. Science of the Total Environment 579, 1572–1580.
Pfau, F, Hünerberg, M, Zhang, X and Hummel, J 2019. Fermentation characteristics of feeds with different carbohydrate composition incubated at low and high dilustion rate in the RUSITEC. Proceedings of the Society of Nutrition Physiology 28, 120.
Pimentel, M, Lin, HC, Enayati, P, van den Burg, B, Lee, H-R, Chen, JH, Park, S, Kong, Y and Conklin, J 2006. Methane, a gas produced by enteric bacteria, slows intestinal transit and augments small intestinal contractile activity. American Journal of Physiology 290, G1089–G1095.
Pinares-Patiño, CS, Molano, G, Smith, A and Clark, H 2008. Methane emissions from dairy cattle divergently selected for bloat susceptibility. Australian Journal of Experimental Agriculture 48, 234–239.
Pinares-Patiño, CS, Ulyatt, MJ, Lassey, KR, Barry, TN and Holmes, CW 2003. Rumen function and digestion parameters associated with differences between sheep in methane emissions when fed chaffed lucerne hay. Journal of Agricultural Science 140, 205–214.
Pinheiro, J, Bates, D, DebRoy, S, Sarkar, D and R Development Core Team 2011. nlme: linear and nonlinear mixed effects models. R package version 3 1–102. Retrieved on 15 January 2014 from https://cranr-projectorg/web/packages/nlme/ R_Core_Team 2015. R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. Retrieved on 28 September 2015 from http://www.R-project.org/
Rawls, JF, Mahowald, MA, Ley, RE and Gordon, JI 2006. Reciprocal gut microbiota transplants from zebrafish and mice to germ-free recipients reveal host habitat selection. Cell 127, 423–433.
Roehe, R, Dewhurst, RJ, Duthie, CA, Rooke, JA, McKain, N, Ross, DW, Hyslop, JJ, Waterhouse, A, Freeman, TC, Watson, M and Wallace, RJ 2016. Bovine host genetic variation influences rumen microbial methane production with best selection criterion for low methane emitting and efficiently feed converting hosts based on metagenomic gene abundance. PLoS Genetics 12, e1005846.
Samuel, BS and Gordon, JI 2006. A humanized gnotobiotic mouse model of host–archaeal–bacterial mutualism. Proceedings of the National Academy of Sciences 103, 10011–10016.
Smith, FA, Elliott, SM and Lyons, SK 2010. Methane emissions from extinct megafauna. Nature Geoscience 3, 374–375.
Smith, FA, Hammond, JI, Balk, MA, Elliott, SM, Lyons, SK, Pardi, MI, Tomé, CP, Wagner, PJ and Westover, ML 2016. Exploring the influence of ancient and historic megaherbivore extirpations on the global methane budget. Proceedings of the National Academy of Sciences 113, 874–879.
Smith, FA, Lyons, SK, Wagner, PJ and Elliott, SM 2015. The importance of considering animal body mass in IPCC greenhouse inventories and the underappreciated role of wild herbivores. Global Change Biology 21, 3880–3888.
Steinfeld, H, Gerber, P, Wassenaar, T, Castel, V, Rosales, M and Haan, CD 2006. Livestock’s long shadow. FAO, Rome, Italy.
Steuer, P, Südekum, K-H, Tütken, T, Müller, DWH, Kaandorp, J, Bucher, M, Clauss, M and Hummel, J 2014. Does body mass convey a digestive advantage for large herbivores? Functional Ecology 28, 1127–1134.
Swart, D, Siebrits, FK and Hayes, JP 1993. Utilization of metabolizable energy by ostrich (Struthio camelus) chicks at two different concentrations of dietary energy and crude fibre originating from lucerne. South African Journal of Animal Science 23, 136–141.
Tejada-Lara, JV, MacFadden, BJ, Bermudez, L, Rojas, G, Salas-Gismondi, R and Flynn, JJ 2018. Body mass predicts isotope enrichment in herbivorous mammals. Proceedings of the Royal Society B 285, 20181020.
Tun, HM, Brar, MS, Khin, N, Jun, L, Hui, RKH, Dowd, SE and Leung, FCC 2012. Gene-centric metagenomics analysis of feline intestinal microbiome using 454 junior pyrosequencing. Journal of Microbiological Methods 88, 369–376.
Vendl, C, Clauss, M, Stewart, M, Leggett, K, Hummel, J, Kreuzer, M and Munn, A 2015. Decreasing methane yield with increasing food intake keeps daily methane emissions constant in two foregut fermenting marsupials, the western grey kangaroo and red kangaroo. Journal of Experimental Biology 218, 3425–3434.
Vendl, C, Frei, S, Dittmann, MT, Furrer, S, Ortmann, S, Lawrenz, A, Lange, B, Munn, A, Kreuzer, M and Clauss, M 2016a. Methane production by two non-ruminant foregut-fermenting herbivores: the collared peccary (Pecari tajacu) and the pygmy hippopotamus (Hexaprotodon liberiensis). Comparative Biochemistry and Physiology A 191, 107–114.
Vendl, C, Frei, S, Dittmann, MT, Furrer, S, Osmann, C, Ortmann, S, Munn, A, Kreuzer, M and Clauss, M 2016b. Digestive physiology, metabolism and methane production of captive Linné’s two-toed sloths (Choloepus didactylus). Journal of Animal Physiology and Animal Nutrition 100, 552–564.
von Engelhardt, W, Wolter, S, Lawrenz, H and Hemsley, JA 1978. Production of methane in two non-ruminant herbivores. Comparative Biochemistry and Physiology 60, 309–311.
Weimer, PJ, Cox, MS, de Paula, TV, Lin, M, Hall, MB and Suen, G 2017. Transient changes in milk production efficiency and bacterial community composition resulting from near-total exchange of ruminal contents between high- and low-efficiency Holstein cows. Journal of Dairy Science 100, 7165–7182.
Weimer, PJ, Stevenson, DM, Mantovani, HC and Man, SLC 2010. Host specificity of the ruminal bacterial community in the dairy cow following near-total exchange of ruminal contents. Journal of Dairy Science 93, 5902–5912.
Wilkinson, DM, Nisbet, EG and Ruxton, GD 2012. Could methane produced by sauropod dinosaurs have helped drive Mesozoic climate warmth? Current Biology 22, R292–R293.
Yang, YX, Mu, CL, Luo, Z and Zhu, WY 2016. Bromochloromethane, a methane analogue, affects the microbiota and metabolic profiles of the rat gastrointestinal tract. Applied Environmental Microbiology 82, 778–787.
Zhou, Mc, Hernandez-Sanabria, E and Guan, LL 2009. Assessment of the microbial ecology of ruminal methanogens in cattle with different feed efficiencies. Applied Environmental Microbiology 75, 6524–6533.