ABSTRACT
Objective
Materials and Methods
Results and Discussion
Implications and Applications
Key words
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AOAC International. 2003. Official Methods of Analysis. 17th ed. Association of Official Analytical Chemists, Arlington, VA.
- Comparison of methane production between C3 and C4 grasses and legumes..https://doi.org/10.1016/j.anifeedsci.2011.04.003Anim. Feed Sci. Technol. 2011; 166–167: 59-64
- Optimizing test procedures for estimating daily methane and carbon dioxide emissions in cattle using sort-term breath measures..10.2527/jas2016.070028380597J. Anim. Sci. 2017; 95: 645-656
- Methane abatement strategies for cattle: Lipid supplementation of diets..https://doi.org/10.4141/CJAS07011Can. J. Anim. Sci. 2007; 87: 431-440
- Impact of prolonged cold exposure on dry matter intake and enteric methane emissions of beef cows overwintered on low quality forage diets with and without supplemented wheat and corn dried distiller’s grains with soluble..10.4141/cjas2012-040Can. J. Anim. Sci. 2012; 92: 493-500
- The heat of combustion of the urine of sheep and cattle in relation to its chemical composition and diet..https://doi.org/10.1079/BJN196600465923619Br. J. Nutr. 1966; 20: 449-460
- Methane production from dairy and beef heifers fed forages differing in nutrient density using the sulphur hexafluoride (SF6) trace gas technique..10.4141/A01-017Can. J. Anim. Sci. 2002; 82: 201-206
- Effects of supplementing prairie hay with corn and soybean meal on intake, digestion and ruminal measurements by beef steers..https://doi.org/10.2527/2000.78123144x11132829J. Anim. Sci. 2000; 78: 3144-3154
- Effects of supplement type on animal performance, forage intake, digestion, and ruminal measurements of growing beef cattle..https://doi.org/10.2527/2001.7941041x11325178J. Anim. Sci. 2001; 79: 1041-1051
- Protein supplementation of ruminants consuming low-quality cool- or warm-season forage: I. differences in intakes and digestibility..https://doi.org/10.2527/jas.2011-391521622884J. Anim. Sci. 2011; 89: 3707-3717
- Influence of rumen protein degradability and supplementation frequency on steers consuming low-quality forage: I. Site of digestion and microbial efficiency..https://doi.org/10.2527/2002.80112967x12462266J. Anim. Sci. 2002; 80 (a): 2967-2977
- Influence of rumen protein degradability and supplementation frequency on performance and nitrogen use in ruminants consuming low-quality forage: Cow performance and efficiency of nitrogen use in wethers..https://doi.org/10.2527/2002.8061629x12078745J. Anim. Sci. 2002; 80 (b): 1629-1637
- Supplementation and sustainable grazing systems..https://doi.org/10.2527/jas.2016-0520J. Anim. Sci. 2016; 94: 15-25
Brouwer, E. 1965. Report of sub-committee on constants and factors. Page 441 in Energy Metabolism. K. L. Blaxter, ed. EAAP Publ. No. 11. Acad. Press, London, UK.
Cash, D., R. Funston, M. King, and D. Wichman. 2000. Nitrate toxicity of Montana forages. Accessed Jan 2, 2020. www.animalrangeextension.montant.edu/range/grazing-management/gm-nitrate-toxidity.html.
- A universal equation to predict methane production of forage-fed cattle in Australia..https://doi.org/10.1071/AN15365Anim. Prod. Sci. 2015; 56: 169-180
- Protein energy relationships with particular references o energy undernutrition: A review..10.1016/S0921-4488(96)00929-7Small Rumin. Res. 1997; 26: 1-7
- Influence of advancing season on dietary composition, intake, site of digestion, and microbial efficiency in beef steers grazing season-long or twice-over rotation native range pastures in western North Dakota..https://doi.org/10.2527/jas.2009-265820418453J. Anim. Sci. 2010; 88: 2812-2824
- Degradability of forage protein s by in situ and in vitro enzymatic methods..10.3168/jds.S0022-0302(99)75241-0J. Dairy Sci. 1999; 82: 343-354
- Use of nitrate and Propionibacterium acidipropionici to reduce methane emissions and increase wool growth of Merion sheep..10.1071/AN14329Anim. Prod. Sci. 2014; 54: 1860-1866
- Modeling methane production from beef cattle using linear and nonlinear approaches..https://doi.org/10.2527/jas.2007-072519098240J. Anim. Sci. 2009; 87: 1334-1345
- The effect of supplemental energy, nitrogen and protein on feed intake, digestibility, and nitrogen flux across the gut and liver in sheep fed low-quality forage..https://doi.org/10.2527/1999.77123353x10641884J. Anim. Sci. 1999; 77: 3353-3364
- Effects of supplemental protein percentage and feeding level on intake, ruminal fermentation, and digesta passage in beef steers fed prairie hay..https://doi.org/10.2527/1992.7051562x1326512J. Anim. Sci. 1992; 70: 1562-1572
- Predicting microbial protein synthesis in beef cattle: Relationship to intakes of total digestible nutrients and crude protein..https://doi.org/10.2527/jas.2014-809825253815J. Anim. Sci. 2014; 92: 5099-5111
- Technical note: Effect of bait delivery interval in an automated head-chamber system on respiration gas estimates when cattle are grazing rangeland..https://doi.org/10.15232/pas.2016-01593Prof. Anim. Sci. 2017; 33: 490-497
- Effects of mass airflow rate through an open-circuit gas quantification system when measuring carbon emissions..https://doi.org/10.2527/jas2016.093328177350J. Anim. Sci. 2017; 95: 475-484
- Effects of corn processing method and dietary inclusion of wet distillers grains with solubles on energy metabolism, carbon-nitrogen balance, and methane emissions of cattle..https://doi.org/10.2527/jas.2011-444122585790J. Anim. Sci. 2012; 90: 3174-3185
- Methane emissions from cattle: Estimates from short-term measurements using a GreenFeed system compared with measurements obtained using respiration chambers or sulfur hexafluoride tracer..https://doi.org/10.1016/j.anifeedsci.2015.02.008Anim. Feed Sci. Technol. 2015; 203: 41-52
- Effects of level and source of carbohydrates and level of degradable intake protein on intake and digestion of low-quality tallgrass-prairie hay by beef steers..https://doi.org/10.2527/1999.77102846x10521049J. Anim. Sci. 1999; 77: 2846-2854
IPCC (Intergovernmental Panel on Climate Change). 2019. 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories. Chapter 10. Emissions from Livestock and Manure Management. Assessed Feb. 16, 2020. www.ipcc.ch/report/2019-refinement-to-the-2006-IPCC-guidelines-for-national-greenhouse-gas-inventories.
- Energy costs of feeding excess protein from corn-based by-products to finishing cattle..https://doi.org/10.1093/jas/sky02129390094J. Anim. Sci. 2018; 96: 653-669
- Methane emissions from cattle..https://doi.org/10.2527/1995.7382483x8567486J. Anim. Sci. 1995; 73: 2483-2492
- Enteric methane and carbon dioxide emissions measured using respiration chambers, the sulfur hexafluoride tracer technique, and a GreenFeed head-chamber system from beef heifers fed alfalfa silage at three allowances and four feeding frequencies..https://doi.org/10.2527/jas.2016-064627898854J. Anim. Sci. 2016; 94: 4326-4337
- Dissimilatory reduction of nitrate and nitrite to the bovine rumen: Nitrous oxide production and effect of acetylene..Appl. Environ. Microbiol. 1981; 41: 705-709
- Effect of increasing proportion of supplemental N from urea in prepartum supplements on range beef cow performance and on forage intake and digestibility by steers fed low-quality forage..10.2527/2002.8061652xJ. Anim. Sci. 2002; 80: 1652-1662
- Influence of soybean meal and sorghum grain supplementation on intake, digesta kinetics, ruminal fermentation, site and extent of digestion and microbial protein synthesis in beef steers grazing blue grama rangeland..10.2527/jas1989.67113040xJ. Anim. Sci. 1989; 67: 3040-3051
Lighton, J. R. B. 2008. Validating flow-through respirometry. Pages 132–135 in Measuring Metabolic Rates: A Manual for Scientists. Oxford Univ. Press Inc., New York, NY. 10.1093/acprof:oso/9780195310610.003.0012.
- A concordance correlation coefficient to evaluate reproducibility..https://doi.org/10.2307/25320512720055Biometrics. 1989; 45: 255-268
- Effects of supplemental degradable intake protein on utilization of medium- to low-quality forages..10.2527/2000.781224xJ. Anim. Sci. 2000; 78: 224-232
- Impacts of increasing amounts of supplemental soybean meal on intake and digestion by beef steers and performance by beef cows consuming low-quality tallgrass-prairie forage..10.2527/1999.77123156xJ. Anim. Sci. 1999; 77: 3156-3162
Maynard, L. A., and J. K. Loosli. 1969. Animal Nutrition. 6th ed. McGraw-Hill Book Co., New York, NY.
- Impact of pasture type on methane production by lactating beef cows..10.4141/A98-107Can. J. Anim. Sci. 1999; 79: 221-226
- Influence of cottonseed meal supplementation on voluntary intake, rumen fermentation and rate of passage of prairie hay in beef steers..https://doi.org/10.2527/jas1985.602570xJ. Anim. Sci. 1985; 60: 570-577
- Alternative approaches to predicting methane emission from dairy cows..https://doi.org/10.2527/2003.81123141x14677870J. Anim. Sci. 2003; 81: 3141-3150
- Prediction of enteric methane emission from cattle..https://doi.org/10.1111/gcb.12471Glob. Change Biol. 2013; 20: 2140-2148
NASEM (National Academies of Sciences, Engineering, and Medicine). 2016. Nutrient Requirements of Beef Cattle. 8th rev. ed. Natl. Acad. Press, Washington, DC.
- Enteric methane emission from backgrounded cattle consuming all-forage diets..10.4141/A05-051Can. J. Anim. Sci. 2006; 86: 393-400
- Enteric nitrous oxide emission from beef cattle..10/15232/pas.2018.01769Prof. Anim. Sci. 2018; 34: 594-607
- Intake and digestibility of winter-range forage by cattle with and without supplements..https://doi.org/10.2527/jas1970.3161215xJ. Anim. Sci. 1970; 31: 1215-1221
Roe, M. B., C. J. Sniffen, and L. E. Chase. 1990. Techniques for measuring protein fractions in feedstuffs. Page 81–88 in Proc. Cornell Nutr. Conf. Feed Manuf., Syracuse, NY. Cornell Univ., Ithaca, NY.
- Effect of protein supplementation to low-quality forage diets on enteric methane production and ruminal microbial community structure of beef steers..J. Anim. Sci. 2015; 93 (Abstr.): 770
- Effects of energy supplementation on energy losses and nitrogen balance of steers fed green-chopped wheat pasture I: Calorimetry..10.2527/jas2017.141728727009J. Anim. Sci. 2017; 95: 2133-2143
- Greenhouse gas and alcohol emissions from feedlot steers and calves..10.2134/jeq.2010.0354J. Environ. Qual. 2011; 40: 899-906
- Evaluation of the potential of supplements to substitute for low-quality tallgrass-prairie forage..https://doi.org/10.2527/1996.743639x8707722J. Anim. Sci. 1996; 74: 639-647
- Nitrogen balance in lambs fed low-quality brome hay and infused with differing proportions of casein in the rumen and abomasum..https://doi.org/10.2527/2004.822502x14974549J. Anim. Sci. 2004; 82: 502-507
- Determination of ash in animal feed: AOAC Official Method 942.05 revisited..https://doi.org/10.5740/jaoacint.12-12923175971J. AOAC Int. 2012; 95: 1392-1397
- An improved harness for securing fecal collection bags to grazing cattle..https://doi.org/10.2307/3899547J. Range Manage. 1989; 42: 396-399
- Evaluation of a filter bag system for NDF, ADF, and IVDMD forage analysis..https://doi.org/10.2135/cropsci1999.0011183X003900010042xCrop Sci. 1999; 39: 276-279
- A theoretically-based model for predicting total digestible nutrient value of forages and concentrates..https://doi.org/10.1016/0377-8401(92)90034-4Anim. Feed Sci. Technol. 1992; 39: 95-110
- Effect of rumen-degradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage..https://doi.org/10.2527/jas.2007-032518539828J. Anim. Sci. 2008; 86: 3079-3088
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The authors declare no conflicts of interest.