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Examination of energy utilization in cattle offered a forage diet at near- and sub-maintenance levels of feeding

Published online by Cambridge University Press:  09 March 2007

S. B. Cammell ,
M. J. Haines ,
M. Gill ,
M. S. Dhanoa ,
J. Frances  and
D. E. Beever
S. B. Cammell
Affiliation:
AFRC Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
M. J. Haines
Affiliation:
AFRC Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
M. Gill
Affiliation:
AFRC Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
M. S. Dhanoa
Affiliation:
AFRC Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
J. Frances
Affiliation:
AFRC Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
D. E. Beever
Affiliation:
AFRC Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
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Abstract

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Eight Friesian calves were reared from birth to the start of the experiment at a predetermined growth rate of 1.0 kg/d. Four calves (group 1) commenced the experiment at 22 weeks of age and the remainder (group 2) at 34 weeks, and feed intake was calculated to provide sufficient metabolizable energy to sustain zero energy balance (Em). Between experimental days 30 and 56 at maintenance levels of feeding, respiratory exchange measurements were made using open-circuit calorimetry to provide indirect estimates of heat production (H) simultaneous with measurements of faecal and urinary excretion of energy and N. A datum point for Em and H was established for each animal giving mean values for Em of 491 and 537 and for H of 476 and 511 kJ/kg live weight (LW)0.75 per d for groups 1 and 2 respectively. Treatment levels calculated as 0·25, 0·5, 0·75 and 1·25 of dry matter intake required to sustain the measured Em, were imposed on individual animals after day 56 and further measurements of H and faecal/ urinary balance were made between days 72 and 84 followed by measurements of fasting heat production (FHP) during days 86–90 from the two animals in each group which had received the 0.75 and 1.25 levels of intake. Regression analysis of the treatment levels indicated separate linear models which predicted Em at 419 and 473 kJ/kg LW0·75 per d for groups 1 and 2 respectively. The incorporation of FHP with partitioning of faecal and urinary energy losses measured during fasting altered the relationship but not the predicted Em. Overall predicted Em (days 72–84) from all models were 406 and 478 kJ/kg LW0.75 per d for groups 1 and 2 respectively which were significantly lower (P < 0·05) than Em measured during days 30–56.

Keywords

Metabolizable energyMaintenance feedingCalorimetry
Type
Energy Metabolism
Information
British Journal of Nutrition , Volume 70 , Issue 2 , September 1993 , pp. 381 - 392
Copyright
Copyright © The Nutrition Society 1993

References

REFERENCES

Agricultural Research Council (1980). The Nutrient Requirements of Farm Livestock. no. 2. Ruminants. Farnham Royal: Commonwealth Agricultural Bureaux.Google Scholar
Armstrong, D. G. & Blaxter, K. L. (1984). Maintenance requirement; implications for its use in feed evaluation systems. In Herbivore Nutrition in the Subtropics and Tropics. [Gilchrist, F. M. H. and Mackie, R. I., editors]. Crdighall, S.A.: The Science Press.Google Scholar
Baldwin, R. L. & Bywater, A. C. (1984). Nutritional energetics of animals. Annual Review of Nutrition 4, 101–114.CrossRefGoogle ScholarPubMed
Blaxter, K. L. (1962). The Energy Metabolism of Ruminants. London: Hutchinson.Google Scholar
Blaxter, K. L. (1972). Festskrift ti1 Professor K. Brierem, pp. 19–36. Oslo: Mariendals Boktrykkeri.Google Scholar
Blaxter, K. L. & Boyne, A. W. (1970). In Energy Metabolism of Farm Animals, European Association for Animal Production no. 13, pp. 9–13 [Schurch, A. and Wenk, C., editors]. Vitznau, Switzerland: Juris Verlag.Google Scholar
Blaxter, K. L. & Boyne, A. W. (1978). The estimation of the nutritive value of feeds as energy sources for ruminants and the derivation of feeding systems. Journal of Agricultural Science, Cambridge 90, 47–68.CrossRefGoogle Scholar
Blaxter, K. L. & Graham, N. McC. (1955). Plane of nutrition and starch equivalents. Journal of Agricultural Science, Cambridge 46, 292–306.CrossRefGoogle Scholar
Blaxter, K. L. & Wainman, F. W. (1961). The utilization of food by sheep and cattle. Journal of Agricultural Science, Cambridge 57, 419–425.CrossRefGoogle Scholar
Blaxter, K. L. & Wainman, F. W. (1966). The fasting metabolism of cattle. British Journal of Nutrition 20, 103–111.CrossRefGoogle ScholarPubMed
Brody, S. (1945). Bioenergetics and Growth. New York: Reinhold Publishing.Google Scholar
Brouwer, E. (1965). Report of the sub-committee on constants and factors. In Energy Metabolism, European Association for Animal Production Publication no. 11, pp. 441–443 [Blaxter, K. L., editor]. London: Academic Press.Google Scholar
Cammell, S. B. (1977). Equipment and techniques used for research into the intake and digestion of forages by sheep and cattle. Technical Report no. 24, Hurley: Grassland Research Institute.Google Scholar
Cammell, S. B., Beever, D. E., Skelton, K. V. & Spooner, M. C. (1981). The construction of open-circuit calorimeters for measuring gaseous exchange and heat production in sheep and young cattle. Laboratory Practice 30, 115–119.Google Scholar
Cammell, S. B., Thomson, D. J., Beever, D. E., Haines, M. J., Dhanoa, M. S. & Spooner, M. C. (1986). The efficiency of energy utilization in growing cattle consuming fresh perennial ryegrass (Lolium perenne cv. Melle) or white clover (Trifolium repens cv. Blanca). British Journal of Nutrition 55, 669–680.CrossRefGoogle ScholarPubMed
Foot, J. Z. & Tulloh, N. M. (1977). Effects of two paths of liveweight change on the efficiency of feed use and on body composition of Angus steers. Journal of Agricultural Science, Cambridge 88, 135–142.CrossRefGoogle Scholar
France, J., Dhanoa, M. S., Cammell, S. B., Gill, M., Beever, D. E. & Thornley, J. H. M. (1989). On the use of response functions in energy balance analysis. Journal of Theoretical Biology 140, 83–99.CrossRefGoogle Scholar
Graham, N. McC. (1982). Energy feeding standards: A methodological problem. In Energy Metabolism of Farm Animals, European Association for Animal Production no. 29, pp. 108–111 [Ekern, A. and Sundstøl, F., editors]. Norway: Agricultural University.Google Scholar
Kromann, R. P. (1973). Evaluation of net energy systems. Journal of Animal Science 37, 200–212.CrossRefGoogle Scholar
Ledger, H. P. & Sayers, A. R. (1977). The utilization of dietary energy by steers during periods of restricted food intake and subsequent realimentation. I. The effect of time on maintenance requirements of steers held at constant live weights. Journal of Agricultural Science, Cambridge 88, 11–16.CrossRefGoogle Scholar
Taylor, St C. S. & Young, G. B. (1967). Variation in growth and efficiency in twin cattle on constant feeding levels. Animal Production 9, 295–311.Google Scholar
Taylor, St C. S. & Young, G. B. (1968). Equilibrium weight in relation to food intake and genotype in twin cattle. Animal Production 10, 393–412.Google Scholar
Terry, R. A., Osbourn, D. F., Cammell, S. B. & Fenlon, J. S. (1974). In vitro digestibility and estimation of energy in herbage. In Proceedings of rhe 5th General Meering of the European Grassland Federation, Uppsala 1973, Vaxtodling 28, 19–25.Google Scholar
Turner, H. G. & Taylor, St C. S. (1983). Dynamic factors in models of energy utilisation with particular reference to maintenance requirement of cattle. World Review of Nutrition and Dietetics 42, 135–190.CrossRefGoogle ScholarPubMed
Van Es, A. J. H. (1961). Verslagen van Landbouwkundige Onderzockingen 67, 5.Google Scholar
Van Es, A. J. H. (1972). In Handbuch der Tierernährung, Vol. 2, p. 1. (Lenkeit, W., Briet, K. and Crasemann, E., editors) Berlin: Paul Parey.Google Scholar
Vermorel, M., Bouvier, J. C. & Geay, Y. (1980). Energy utilization by growing calves: effects of age, milk intake and feeding level. In Energy Metabolism of Farm Animals, European Association for Animal Production no. 26, pp. 49–53 [Mount, L. E., editor]. London: Butterworths.Google Scholar
Webster, A. J. F. (1978). Prediction of the energy requirements for growth in beef cattle. World Review of Nutrition and Dietetics 30, 189–226.Google ScholarPubMed
Webster, A. J. F. (1988). Comparative aspects of the energy exchange. In Comparative Nutrition, pp. 37–54 [Blaxter, K. L. and MacDonald, I., editors]. London: John Libbey.Google Scholar
Webster, A. J. F., Smith, J. S. & Mollison, G. S. (1982). In Energy Metabolism of Farm Animals, European Association for Animal Production no. 29, pp. 84–87 [Ekern, A. and Sundstøl, F., editors]. Norway: Agricultural University.Google Scholar
Williams, E. J. (1959). Regression Analysis, pp. 96. London: Chapman and Hall.Google Scholar