1. Peyraud JL, Gall AL, Lüscher A. Potential food production from forage legume-based-systems in Europe: an overview. Irish J Agric Food Res 2009; 48:115–35.
2. Moore JE, Brant MH, Kunkle WE, Hopkins DI. Effects of supplementation on voluntary forage intake, diet digestibility, and animal performance. J Anim Sci 1999; 77:Suppl 2122–35.
3. Poppi DP, McLennan SR. Protein and energy utilization by ruminants at pasture. J Anim Sci 1995; 73:278–90.
4. Silveira MF, Kozloski GV, Brondani IL, et al. Live weight gain and ruminal fermentation by steers grazing cool-season grass pasture and given different supplements. Cienc Rural 2006; 36:898–903.
5. Cruickshank GJ, Poppi DP, Sykes AR. The intake, digestion and protein degradation of grazed herbage by early-weaned lambs. Br J Nutr 1992; 68:349–64.
6. Wilm HG, Costello DF, Klipple GE. Estimating forage yield by the double-sampling method. Agron J 1944; 36:194–203.
7. Mott GO, Lucas HL. The design conduct and interpretation of grazing trials on cultivated and improved pastures. In : Proceedings of the Sixth International Grassland Congress 1952; 1952 Aug 17–23; Pennsylvania State College; State College, PA, USA: p. 1380–95.
8. Sollenberger LE, Moore JE, Allen VG, Pedreira CGS. Reporting forage allowance in grazing experiments. Crop Sci 2005; 45:896–900.
9. Williams CH, David DJ, Iismaa O. The determination of chromic oxide in faeces samples by atomic absorption spectrophotometry. J Agric Sci 1962; 59:381–5.
10. Tilley JMA, Terry RA. A two-stage technique for the
in vitro digestion of forage crops. Grass Forage Sci 1963; 18:104–11.
11. Jamienson WS, Hodgson J. The effects of variation in sward characteristics upon the ingestive behaviour and herbage intake of calves and lambs under a continuous stocking management. Grass Forage Sci 1979; 34:273–82.
12. Forbes TDA. Researching the plant-animal interface: the investigation of ingestive behavior in grazing animals. J Anim Sci 1988; 66:2369–79.
13. Hodgson J, Leaver JD. Ingestive behaviour. Herbage Intake Handbook 1982; 113–38.
14. Laca EA, Ungar ED, Seligman N, Demment MW. Effects of sward height and bulk density on bite dimensions of cattle grazing homogeneous swards. Grass Forage Sci 1992; 47:91–102.
15. Vries MFW. Estimating forage intake and quality in grazing cattle: consideration of the hand-plucking method. Rangel Ecol Manag / J Range Manag Arch 1995; 48:370–5.
16. AOAC International. Official methods of analysis. 17th edGaithersburg, MD, USA: AOAC International; 2000.
17. Van Soest PJ, Robertson JB, Lewis BA. Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. J Dairy Sci 1991; 74:3583–97.
18. Goering HK, Van Soest PJ. Forage fiber analysis. Apparatus, reagents, procedures and some applications. Agriculture handbook. p. 379Washington, DC, USA: Agricultural Research Service (US Department of Agriculture); 1970.
19. Kunkle WE, Bates D. Evaluating feed purchasing options: energy, protein, and mineral supplements. 47th Annual Florida Beef Cattle Short Course. Gainesville, FL, USA: University of Florida; 1998. p. 59–70.
20. SAS Institute Inc. SAS/STAT 13.1 User’s guide. Cary, NC, USA: SAS Institute Inc; 2013.
21. Littell RC, Milliken GA, Stroup WW, Wolfinger RD, Schabenberger O. SAS for mixed models. 2nd edCary, NC, USA: SAS Institute; 2006. p. 814
22. Nutrient requirements of beef cattle, seventh revised edition: Update 2000. National Research Council. 7th edNutrient requirements of beef cattle. Washington, DC, USA: National Academies Press; 2000.
23. Van Soest PJ. Nutritional ecology of the ruminant. 2nd edIthaca, NY, USA: Cornell University Press; 1994. p. 476
24. Barrett PD, Laidlaw AS, Mayne CS, Christie H. Pattern of herbage intake rate and bite dimensions of rotationally grazed dairy cows as sward height declines. Grass Forage Sci 2001; 56:362–73.
25. Kilgour RJ, Uetake K, Ishiwata T, Melville GJ. The behaviour of beef cattle at pasture. Appl Anim Behav Sci 2012; 138:12–7.
26. Vonz D. Vetch seeding density on oat plus ryegrass in beef cattle production [dissertation]. Vizinhos, Brazil: Universidade Tecnológica Federal do Paraná; 2014.
27. Meyer K, Hummel J, Clauss M. The relationship between forage cell wall content and voluntary food intake in mammalian herbivores. Mamm Rev 2010; 40:221–45.
28. Carr PM, Horsley RD, Poland WW. Barley, oat, and cereal–pea mixtures as dryland forages in the northern great plains. Agron J 2004; 96:677–84.
29. Gustafson DJ, Gibson DJ, Nickrent DL. Competitive relationships of Andropogon gerardii (Big Bluestem) from remnant and restored native populations and select cultivated varieties. Funct Ecol 2004; 18:451–7.
30. Rochon JJ, Doyle CJ, Greef JM, et al. Grazing legumes in Europe: a review of their status, management, benefits, research needs and future prospects. Grass Forage Sci 2004; 59:197–214.