Agricultural Research Council (ARC) 1984. The nutrient requirements of ruminants. Commonwealth Agricultural Bureaux, Farnham Royal, Slough, UK.
Association of Official Analytical Chemists (AOAC) 1990. Official methods of analysis, 15th edition. AOAC, Arlington, VA, USA.
Atti, N, Rouissi, H and Mahouachi, M 2004. The effect of dietary crude protein level on growth, carcass and meat composition of male goat kids in Tunisia. Small Ruminant Research 54, 89–97.
Broderick, GA, Stevenson, MJ, Patton, RA, Lobos, NE and Olmos Colmenero, JJ 2008. Effect of supplementing rumen-protected methionine on production and nitrogen excretion in lactating dairy cows. Journal of Dairy Science 91, 1092–1102.
Bush, RS, Toullec, R, Caugant, I and Guilloteau, P 1992. Effects of raw pea flour on nutrient digestibility and immune responses in the preruminant calf. Journal of Dairy Science 75, 3539–3552.
Chen, JC, Xu, QQ, Li, YX, Tan, ZR, Sun, WZ, Zhang, XX, Sun, JJ and Sun, ZH 2019. Comparative effects of supplementing diets with sodium butyrate, medium-chain fatty acids, and n-3 polyunsaturated fatty acids during late pregnancy and lactation on the reproductive performance of sows and growth performance of suckling piglets. Journal of Animal Science 97, 4256–4267.
Cowieson, AJ and Bedford, MR 2009. The effect of phytase and carbohydrase on ileal amino acid digestibility in monogastric diets: complimentary mode of action? World Poultry Science Journal 2009, 609–624.
Dewhurst, RJ, Davies, DR and Merry, RJ 2000. Microbial protein supply from the rumen. Animal Feed Science and Technology 85, 1–21.
Dutta, TK, Agnihotri, MK, Sahoo, PK, Rajkumar, V and Das, AK 2009. Effect of different protein-energy ratio in pulse by-product and residue based pelleted feeds on growth, rumen fermentation, carcass and sausage quality in Barbari kids. Small Ruminant Research 85, 34–41.
Edgar, RC 2010. Search and clustering orders of magnitude faster than BLAST. Bioinformatics 26, 2460–2461.
Galassi, G, Colombini, S, Malagutti, L, Crovetto, GM and Rapetti, L 2010. Effects of high fibre and low protein diets on performance, digestibility, nitrogen excretion and ammonia emission in the heavy pig. Animal Feed Science and Technology 16, 1140–1148.
Gallo, L, Montà, GD, Carraro, L, Cecchinato, A, Carnier, P and Schiavon, S 2014. Growth performance of heavy pigs fed restrictively diets with decreasing crude protein and indispensable amino acids content. Livestock Science 61, 130–138.
Henke, A, Dickhoefer, U, Westreicher-Kristen, E, Knappstein, K, Molkentin, J, Hasler, M and Susenbeth, A 2017. Effects of quebra chotannin extract on feed intake, digestibility, excretion of urinary purine derivatives and milk production in lactating dairy cows. Archives of Animal Nutrition 71, 37–53.
Hu, WL, Liu, JX, Ye, JA, Wu, YM and Guo, YQ 2005. Effect of tea saponin on rumen fermentation in vitro. Animal Feed Science and Technology 120, 333–339.
Hwangbo, S, Choi, SH, Kim, SW, Son, DS, Park, HS, Lee, SH and Jo, IH 2009. Effects of crude protein levels in total mixed rations on growth performance and meat quality in growing Korean Black goats. Asian-Australasian Journal of Animal Sciences 22, 1133–1139.
Knapp, JR, Laur, GL, Vadas, PA, Weiss, WP and Tricarico, JM 2014. Invited review: enteric methane in dairy cattle production: quantifying the opportunities and impact of reducing emissions. Journal of Dairy Science 97, 3231–3261.
Larsbrink, J, Rogers, TE, Hemsworth, GR, McKee, LS, Tauzin, AS, Spadiut, O, Klinter, S, Pudlo, NA, Urs, K, Koropatkin, NM, Creagh, AL, Haynes, CA, Kelly, AG, Cederholm, SN, Davies, GJ, Martens, EC and Brumer, H 2014. A discrete genetic locus confers xyloglucan metabolism in select human gut Bacteroidetes. Nature 506, 498–502.
Lee, C, Hristov, AN, Dell, CJ, Feyereisen, GW, Kaye, J and Beegle, D 2012. Effect of dietary protein concentration on ammonia and greenhouse gas emitting potential of dairy manure. Journal of Dairy Science 95, 1930–1941.
Li, Y, Li, F, Duan, Y, Guo, Q, Wang, W, Wen, C, Wen, C, Huang, X and Yin, Y 2017. The protein and energy metabolic response of skeletal muscle to the low-protein diets in growing pigs. Journal of Agricultural and Food Chemistry 65, 8544–8551.
Li, YX, Tang, ZR, Li, TJ, Chen, C, Huang, FR, Yang, J, Xu, QQ, Zhen, JF, Wu, ZL, Li, M, Sun, JJ, Chen, JC, Zhang, XX, An, R, Zhao, SJ, Jiang, QY, Zhu, WY, Yin, YL and Sun, ZH 2018. Pyruvate is an effective substitute for glutamate in regulating porcine nitrogen excretion. Journal of Animal Science 96, 3804–3814.
Mcdonald, P 2002. Animal nutrition. Pearson Education, Prentice Hall, Harlow, UK.
Magoc, T and Salzberg, SL 2011. FLASH: fast length adjustment of short reads to improve genome assemblies. Bioinformatics 27, 2957–2963.
National Research Council (NRC) 1978. Nutrient requirements of dairy cattle, 5th edition. National Academy Press, Washington, DC, USA.
National Research Council (NRC) 2001. Nutrient requirements of dairy cattle, 7th edition. National Academy Press, Washington, DC, USA.
National Research Council (NRC) 2007. Nutrient requirements of small ruminants, sheep, goats, cervids, and new world camelids. National Academy Press, Washington, DC, USA.
Negesse, T, Rodehutscord, M and Pfeffer, E 2001. The effect of dietary crude protein level on intake, growth, protein retention and utilization of growing male Saanen kids. Small Ruminant Research 39, 243–251.
Pan, L, Ma, XK, Wang, HL, Xu, X, Zeng, ZK, Tian, QY, Zhao, PF, Zhang, S, Yang, ZY and Piao, XS 2015. Enzymatic feather meal as an alternative animal protein source in diets for nursery pigs. Animal Feed Science and Technology 212, 112–121.
Ravachol, J, de Philip, P, Borne, R, Mansuelle, P, Maté, MJ, Perret, S and Fierobe, HP 2016. Mechanisms involved in xyloglucan catabolism by the cellulosome-producing bacterium Ruminiclostridium cellulolyticum. Scientific Reports 6, 22770.
Reynal, SM and Broderick, GA 2005. Effect of dietary level of rumen-degraded protein on production and nitrogen metabolism in lactating dairy cows. Journal of Dairy Science 88, 4045–4064.
Reynolds, CK and Kristensen, NB 2007. Nitrogen recycling through the gut and the nitrogen economy of ruminants: an asynchronous symbiosis. Journal of Animal Science 86, E293–E305.
Rhine, ED, Sims, GK, Mulvaney, RL and Pratt, EJ 1998. Improving the Berthelot reaction for determining ammonium in soil extracts and water. Soil Science Society of America Journal 62, 473–480.
Savari, M, Khorvash, M, Amanlou, H, Ghorbani, GR, Ghasemi, E, Mirzaei, M. 2018. Effects of rumen-degradable protein: rumen -undegradable protein ratio and corn processing on production performance, nitrogen efficiency, and feeding behavior of Holstein dairy cows. Journal of Dairy Science 101, 1–12.
Schloss, PD, Westcott, SL, Ryabin, T, Hall, JR, Hartmann, M, Hollister, EB, Lesniewski, RA, Oakley, BB, Parks, DH, Robinson, CJ, Sahl, JW, Stres, B, Thallinger, GG, Van Horn, DJ and Weber, CF 2009. Introducing mothur: opensource, platform-independent, community-supported software for describing and comparing microbial communities. Applied and Environmental Microbiology 75, 7537–7541.
Schulz, F, Westreicher-Kristen, E, Knappstein, K, Molkentin, J and Susenbeth, A 2018. Replacing maize silage plus soybean meal with red clover silage plus wheat in diets for lactating dairy cows. Journal of Dairy Science 101, 1216–1226.
Shabi, Z, Arieli, A, Bruckental, I, Aharoni, Y, Zamwel, S, Bor, A and and Tagari, H 1998. Effect of synchronization of the degradation of dietary crude protein and organic matter and feeding frequency on ruminal fermentation and flow of digesta in the abomasum of dairy cows. Journal of Dairy Science 81, 1991–2000.
Shriver, JA, Carter, SD, Sutton, AL, Richert, BT and Senne, BW 2003. Effects of adding fiber sources to reduced-crude protein, amino acid-supplemented diets on nitrogen excretion, growth performance, and carcass traits of finishing pigs. Journal of Animal Science 81, 492–502.
Silva, AL, Detmann, E, Dijkstra, J, Pedroso, AM, Silva, LHP, Machado, AF, Sousa, FC, dos Santos, GB and Marcondes, MI 2018. Effects of rumen-undegradable protein on intake, performance, and mammary gland development in prepubertal and pubertal dairy heifers. Journal of dairy science 101, 5991–6001.
Stevens, EJ, Thomson, GG and O’Connor, KF 1985. A modified procedure for esophageal fistulation of sheep. Journal of Range Management 38, 88–90.
Sun, ZH, Tan, ZL, Yao, JH, Tang, ZR, Shan, JG, Hu, JP, Tang, SX and Jiang, YM 2007a. Effects of intra-duodenal provison of limiting amino acids on serum concentrations of immunoglobulins and tissue concentrations of DNA and RNA in growing goats fed a maize stover-based diet. Small Ruminant Research 69, 159–166.
Sun, ZH, Tan, ZL, Liu, SM, Tayo, GO, Lin, B, Teng, B, Tang, SX, Wang, WJ, Liao, YP, Pan, YF, Wang, JR, Zhao, XG and Hu, Y 2007b. Effects of dietary methionine and lysine sources on nutrient digestion, nitrogen utilization, and duodenal amino acid flow in growing goats. Journal of Animal Science 85, 3340–3347.
Tamminga, S 1996. A review on environmental impacts of nutritional strategies in ruminants. Journal of Animal Science 74, 3112–3124.
Van Soest, PJ, Robertson, JB and Lewis, BA 1991. Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. Journal of Dairy Science 74, 3583–3597.
Walker, AW, Ince, J, Duncan, SH, Webster, LM, Holtrop, G, Ze, X, Brown, D, Stares, MD, Scott, P, Bergerat, A, Louis, P, McIntosh, F, Johnstone, AM, Lobley, GE, Parkhill, J and Flint, HJ 2011. Dominant and diet-responsive groups of bacteria within the human colonic microbiota. Isme Journal 5, 220–230.
Wang, C, Liu, Q, Guo, G, Huo, WJ, Liang, Y, Pei, CX, Zhang, SL, Yang, WZ and Wang, H 2017. Effects of different dietary protein levels and rumen-protected folic acid on ruminal fermentation, degradability, bacterial populations and urinary excretion of purine derivatives in beef steers. Journal of Agricultural Science 155, 1477–1486.
Wang, Q, Garrity, GM, Tiedje, JM and Cole, JR 2007. Naive Bayesian classifier for rapid assignment of rRNA sequences into the new bacterial taxonomy. Applied and Environmental Microbiology 73, 5261–5267.
Williams, CH, David, DJ and Iismaa, O 1962. The determination of chromic oxide in faeces samples by atomic absorption spectrophotometry. Journal of Agricultural Science 59, 381–385.
Wu, LT, Zhang, XX, Tang, ZR, Li, YX, Li, TJ, Xu, QQ, Zhen, JF, Huang, FR, Yang, J, Chen, C, Wu, ZL, Li, M, Sun, JJ, Chen, JC, An, R, Zhao, SJ, Jiang, QY, Zhu, WY, Yin, YL and Sun, ZH 2018. Low-protein diets decrease porcine nitrogen excretion but with restrictive effects on amino acid utilization. Journal of Agricultural and Food Chemistry 66, 8262–8271.
Yang, CT, Si, BW, Diao, QY, Jin, H, Zeng, SQ and Tu, Y 2016. Rumen fermentation and bacterial communities in weaned chahaer lambs on diets with different protein levels. Journal of Integrative Agriculture 15, 1564–1574.
Zhang, S, Chu, L, Qiao, S, Mao, X and Zeng, X 2016. Effects of dietary leucine supplementation in low crude protein diets on performance, nitrogen balance, whole-body protein turnover, carcass characteristics and meat quality of finishing pigs. Animal Science Journal 87, 911–920.