Bikker P, Dirkzwager A, Fledderus J, Trevisi P, le Huerou-Luron I, Lalles JP, Awati A. The effect of dietary protein and fermentable carbohydrates levels on growth performance and intestinal characteristics in newly weaned piglets. J Anim Sci. 2006 Dec 8;84(12):3337-45. https://doi.org/10.2527/jas.2006-076 Cummings JH, Mann JI, Nishida C, Vorster HH. Dietary fibre: An agreed definition. Lancet. 2009 Jan 31;373(9661):365-6. https://doi.org/10.1016/S0140-6736(09)60117-3 de Haer LCM, de Vries AG. Effects of genotype and sex on the feed intake pattern of group housed growing pigs. Livest Prod Sci. 1993 Sep 1;36(3):223-32. https://doi.org/10.1016/0301-6226(93)90055-M De Preter V, Hamer HM, Windey K, Verbeke K. The impact of pre- and/or probiotics on human colonic metabolism: Does it affect human health? Mol Nutr Food Res. 2011 Jan;55(1):46-57. https://doi.org/10.1002/mnfr.201000451 GfE (Society of Nutrition Physiology). Empfehlungen zur Energie- und Nahrstoffversorgung von Schweinen [Recommendations on the energy and nutrient supply of pigs]. Frankfurt am Main: DLG-Verlag; 2006. 247 p. German. GfE (Society of Nutrition Physiology). Proceedings of the Society of Nutrition Physiology Vol. 17: Recommendations for the Supply of Energy and Nutrients to Pigs. Frankfurt am Main: DLG-Verlag; 2008. 215 p. Gilbert H, Billon Y, Brossard L, Faure J, Gatellier P, Gondret F, Labussiere E, Lebret B, Lefaucheur L, Le Floch N, Louveau I, Merlot E, Meunier-Salaun MC, Montagne L, Mormede P, Renaudeau D, Riquet J, Rogel-Gaillard C, Van Milgen J, Vincent A, Noblet J. Review: Divergent selection for residual feed intake in the growing pig. Animal. 2017 Jan 25;11(9):1427-39. https://doi.org/10.1017/S175173111600286X Gutierrez NA, Kerr BJ, Patience JF. Effect of insoluble-low fermentable fiber from corn-ethanol distillation origin on energy, fiber, and amino acid digestibility, hindgut degradability of fiber, and growth performance of pigs. J Anim Sci. 2013 Nov 1;91(11):5314-25. https://doi.org/10.2527/jas.2013-6328 Jaworski NW, Laerke HN, Bach Knudsen KE, Stein HH. Carbohydrate composition and in vitro digestibility of dry matter and nonstarch polysaccharides in corn, sorghum, and wheat and coproducts from these grains. J Anim Sci. 2015 Mar 1;93(3):1103-13. https://doi.org/10.2527/jas.2014-8147 Kallabis KE, Kaufmann O. Effect of a high-fibre diet on the feeding behaviour of fattening pigs. Arch Anim Bred. 2012 Oct 10;55(3):272-84. https://doi.org/10.5194/aab-55-272-2012 Kraler M, Schedle K, Schwarz C, Domig K, Pichler M, Oppeneder A, Wetscherek W, Pruckler M, Pignitter M, Pirker K, Somoza V, Daniel H, Kneifel W. Fermented and extruded wheat bran in piglet diets: Impact on performance, intestinal morphology, microbial metabolites in chyme and blood lipid radicals. Arch Anim Nutr. 2015 Sep 3;69(5):378-98. https://doi.org/10.1080/1745039X.2015.1075671 Kyriazakis I, Emmans G. The voluntary feed intake of pigs given feed based on wheat bran, dried citrus pulp and grass meal, in relation to measurements of feed bulk. Br J Nutr. 1995 Feb;73(2):191-207. https://doi.org/10.1079/BJN19950023 Loibl P, Widnisch W, Preissinger W. Examination of high-resolution feed intake data of growing finishing pigs confronted with high deoxynivalenol contents present in their feed. Czech J Anim Sci. 2020 Nov 27;65(11):411-23. https://doi.org/10.17221/189/2020-CJAS Macfarlane GT, Gibson GR, Beatty E, Cummings JH. Estimation of short-chain fatty acid production from protein by human intestinal bacteria based on branched-chain fatty acid measurements. FEMS Microbiol Lett. 1992 Sep 1;101(1992):81-8. https://doi.org/10.1111/j.1574-6968.1992.tb05764.x Montagne L, Pluske JR, Hampson DJ. A review of interactions between dietary fibre and the intestinal mucosa, and their consequences on digestive health in young non-ruminant animals. Anim Feed Sci Technol. 2003 Aug 25;108(1-4):95-117. https://doi.org/10.1016/S0377-8401(03)00163-9 Mouille B, Robert V, Blachier F. Adaptive increase of ornithine production and decrease of ammonia metabolism in rat colonocytes and hyperproteic diet ingestion. Am J Physiol Gastrointest Liver Physiol. 2004 Aug;287(2):344-51. https://doi.org/10.1152/ajpgi.00445.2003 Noblet J, Le Goff GI. Effect of dietary fibre on the energy value of feeds for pigs. Anim Feed Sci Tech. 2001 Mar 15;90(1-2):35-52. https://doi.org/10.1016/S0377-8401(01)00195-X Noblet J, Fortune H, Shi XS, Dubois S. Prediction of net energy value of feeds for growing pigs. J Anim Sci. 1994 Feb 1;72(2):344-54. https://doi.org/10.2527/1994.722344x Nousiainen J, Suomi K. Comparative observations on selected probiotics and olaquindox used as feed additives for piglets around weaning. J Anim Physiol Anim Nutr. 1991 Sep-Dec;66(1-5):212-23. https://doi.org/10.1111/j.1439-0396.1991.tb00289.x Nyachoti CM, Omogbenigun FO, Rademacher M, Blank G. Performance responses and indicators of gastrointestinal health in early-weaned pigs fed low-protein amino acid-supplemented diets. J Anim Sci. 2006 Jan 1;84(1):125-34. https://doi.org/10.2527/2006.841125x Patton CJ, Crouch SR. Spectrophotometric and kinetics investigation of the Berthelot reaction for the determination of ammonia. Anal Chem. 1977 Mar 1;49(3):464-9. https://doi.org/10.1021/ac50011a034 Pichler J, Schwarz C, Gierus M, Schedle K. Choice feeding in fattening pigs: Effect of diets differing in nutrient density on feeding behaviour and fattening performance. Czech J Anim Sci. 2020 Jul 30;65(7):247-57. https://doi.org/10.17221/111/2020-CJAS Pierzynowski SG, Kruszewska D, Westrom BW. Chapter 3. The quality of dietary protein digestion affects animal performance and regulates gut bacteria growth: Hypotheses and facts. In: Mosenthin R, Zentek J, Zebrowska T, editors. Biology of growing animals. Amsterdam: Elsevier; 2006. p. 65-79. Pryce JD. A modification of the Barker-Summerson method for the determination of lactic acid. Analyst. 1969;94(1125):1151-2. https://doi.org/10.1039/an9699401151 Rasmussen HS, Holtug K, Mortensen PB. Degradation of amino acids to short-chain fatty acids in humans: An in vitro study. Scand J Gastroenterol. 1988 Jan 1;23(2):178-82. https://doi.org/10.3109/00365528809103964 Saarinen MT. Determination of biogenic amines as dansyl derivatives in intestinal digesta and feces by reversed phase HPLC. Chromatographia. 2002 Mar 1;55(5-6):297-300. https://doi.org/10.1007/BF02491662 Sauvant D, Perez JM, Tran G. Tables of composition and nutritional value of feed materials: Pigs, poultry, cattle, sheep, goats, rabbits, horses and fish. Wageningen: Wageningen Academic Publishers; 2004. 304 p. Schedle K. Sustainable pig and poultry nutrition by improvement of nutrient utilisation – A review. J Land Manag Food Environ. 2016 Mar 1;67(1):45-60. https://doi.org/10.1515/boku-2016-0005 Schedle K, Pfaffl MW, Plitzner C, Meyer HHD, Windisch W. Effect of insoluble fibre on intestinal morphology and mRNA expression pattern of inflammatory, cell cycle and growth marker genes in a piglet model. Arch Anim Nutr. 2008 Dec 1;62(6):427-38. https://doi.org/10.1080/17450390802479349 Slama J, Schedle K, Wurzer GK, Gierus M. Physicochemical properties to support fibre characterization in monogastric animal nutrition. J Sci Food Agric. 2019 Jun;99(8):3895-902. https://doi.org/10.1002/jsfa.9612 Slama J, Schedle K, Wetscherek W, Pekar D, Schwarz C, Gierus M. Effects of soybean hulls and lignocellulose on performance, nutrient digestibility, microbial metabolites and immune response in piglets. Arch Anim Nutr. 2020 May 3;74(3):173-88. https://doi.org/10.1080/1745039X.2019.1704174 Topping DL, Clifton PM. Short-chain fatty acids and human colonic function: Roles of resistant starch and nonstarch polysaccharides. Physiol Rev. 2001 Jul 1;81(3):1031-64. https://doi.org/10.1152/physrev.2001.81.3.1031 VDLUFA. Handbuch der Landwirtschaftlichen Versuchs- und Untersuchungsmethodik, Band III Die chemische Untersuchung von Futtermittel. 3th ed. Darmstadt, Germany: VDLUFA-Verlag; 2012. 2190 p. German. Visek WJ. Diet and cell growth modulation by ammonia. Am J Clin Nutr. 1978 Oct 1;31(10):S216-20. https://doi.org/10.1093/ajcn/31.10.S216 Wenk C. The role of dietary fibre in the digestive physiology of the pig. Anim Feed Sci Tech. 2001 Mar 15;90(1-2):21-33. https://doi.org/10.1016/S0377-8401(01)00194-8 Zhao G, Nyman M, Jonsson JA. Rapid determination of short-chain fatty acids in colonic contents and faeces of humans and rats by acidified water-extraction and direct-injection gas chromatography. Biomed Chromatogr. 2006 Aug;20(8):674-82. https://doi.org/10.1002/bmc.580