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Metabolizable energy of macronutrients
The American Journal of Clinical Nutrition, 1995I describe recent advances in assessing the amount of energy available from diets of varied composition. Empirical models of food energy prediction have grown in preference to factorial models over the past 20 y and knowledge of the quantitative aspects of energy salvage in the colon have modified our thoughts on how to best calculate food energy ...
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Journal of Agricultural and Food Chemistry, 2009 Energy values of high amylose corn starches high in resistant starch (RS) were determined in vivo by two different methodologies. In one study, energy values were determined according to growth relative to glucose-based diets in rats fed diets containing
Michael J Keenan +2 more
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Journal of Animal Science, 2023
AbstractIn total, two experiments were conducted to evaluate the effectiveness of an in vitro digestion method for predicting the metabolizable energy (ME) and metabolizability of gross energy (ME/GE) values using in vitro digestible energy (IVDE) and the digestibility of gross energy (IVDE/GE) content, respectively, of conventional feedstuffs for ...
Heng, Wang +6 more
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AbstractIn total, two experiments were conducted to evaluate the effectiveness of an in vitro digestion method for predicting the metabolizable energy (ME) and metabolizability of gross energy (ME/GE) values using in vitro digestible energy (IVDE) and the digestibility of gross energy (IVDE/GE) content, respectively, of conventional feedstuffs for ...
Heng, Wang +6 more
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Journal of Animal Science, 2003
Component models were developed to predict the net efficiency of ME utilization for gain in cattle and to predict daily gain using recovered energy as the input. These models were integrated into a single model to predict daily gain from ME available for gain.
C B, Williams, T G, Jenkins
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Component models were developed to predict the net efficiency of ME utilization for gain in cattle and to predict daily gain using recovered energy as the input. These models were integrated into a single model to predict daily gain from ME available for gain.
C B, Williams, T G, Jenkins
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Expressing the Variability in Results of Metabolizable Energy Assays
The Journal of Nutrition, 1986In estimating the metabolizable energy of a food or feedstuff (MEf), the ME of a reference diet (MEr, containing glucose monohydrate) and the ME of a test (MEt, containing the feedstuff substituted for glucose) are determined from a feeding trial: MEf = MEglucose -1/P (MEr - MEt) where P is a proportion of substitution. Traditionally, MEr has been used
G M, Pesti, G O, Ware
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Energy and metabolizable protein supply
2011Several systems are used to measure energy (Van Es, 1978; Moller et al., 1983; INRA, 1989; NRC, 1989; AFRC, 1993) and metabolizable protein (MP) (Madsen, 1985; NRC, 1985; Verite et al., 1987; AFRC, 1992; Tamminga et al., 1994) supplies in cattle. Feed evaluation for cattle is in continues development and several new systems have been proposed (Sniffen ...
H. Volden, N. I. Nielsen
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Metabolizable Energy in Poultry Nutrition
BioScience, 1980Modern commercial poultry production, like other industrial enterprises, demands control of cost inputs. The major cost is feed, the input of which is determined by biological, managerial, and economic constraints. Under conditions of ad libitum feeding, birds tend to eat to satisfy their energy requirements, which vary with body size, activity, rate ...
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Estimation of the metabolizable energy equivalence of dietary proteins
European Journal of Nutrition, 2006Protein contributes significantly to the human daily energy budget. The high diversity in composition, digestibility and dietary proportion complicates the estimation of its actual energy contribution. In practical terms we continue using the energy equivalents estimated by Atwater.
Raquel, Ferrer-Lorente +2 more
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Contribution of fiber and resistant starch to metabolizable energy
The American Journal of Clinical Nutrition, 1995Recommendations made to increase complex carbohydrate and fiber intake in the United States may result in energy loss from increased fecal losses of starch, protein, and fat. The type of fiber or starch and the amount consumed affect digestion of the carbohydrate and interactions with other nutrients.
K M, Behall, J C, Howe
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Evaluation of Metabolizable Energy for Poultry
World's Poultry Science Journal, 1972(1972). Evaluation of Metabolizable Energy for Poultry. World's Poultry Science Journal: Vol. 28, No. 2, pp. 204-214.
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