Hostname: page-component-8448b6f56d-mp689 Total loading time: 0 Render date: 2024-04-23T08:43:25.569Z Has data issue: false hasContentIssue false

Nitrogen retention in the pig

Published online by Cambridge University Press:  06 August 2007

J. R. Carr
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics. LE12 5RD
K. N. Boorman
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics. LE12 5RD
D. J. A. Cole
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics. LE12 5RD
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

1. Published results have been used to study the relationships between nitrogen retention (NR), body-weight (W) and N intake in the pig.

2. The general decrease in maximal NR (g/d per kg W0.75) with increasing W (kg) was curvilinear for values of W from 1.5 to 45: NR = 3.324−0.098 W+0.001 W2; and rectilinear for values of W from 45 to 165: NR = 1.252−0.006 W. Values for protein requirements derived from these equations agreed closely with published estimates.

3. The slopes of the curves for NR (g/d per kg W0.75) v. N intake (g/d) decreased as W (kg) increased from about 2.5 to 190. After extrapolation to a proposed common intercept on the NR axis of -150 mg N/d per kg W0.75, regression analysis of the intercepts of these curves on the N-intake axis v. W gave an estimate of N requirements for maintenance of 246±19 mg/d per kg W0.75.

4. The results also indicated that at low N intakes net protein utilization (N retention+ total obligatory N losses ÷ N intake) was essentially independent of W, whereas the gross efficiency of N utilization (NR ÷ N intake) was influenced by both W and N intake.

Type
Paper on General Nutrition
Copyright
Copyright © The Nutrition Society 1977

References

REFERENCES

Agricultural Research Council (1967). The Nutrient Requirements of Farm Livestock No. 3, Pigs. London: Agricultural Research Council.Google Scholar
Agricultural Research Council (1975). The Nutrient Requirements of Farm Livestock No. 1, Poultry. London: Agricultural Research Council.Google Scholar
Allison, J. B. (1964). In Mammalian Protein Metabolism, Vol. 2, p. 41 [Munro, H. N and Allison, J. B. editors]. New York: Academic Press.CrossRefGoogle Scholar
Armstrong, D. G. & Mitchell, H. H. (1955). J. Anim. Sci. 14, 49.CrossRefGoogle Scholar
Balch, C. C. (1967). Wld Rev. Anim. Prod. 3, 84.Google Scholar
Bayley, H. S. & Summers, J. D. (1968). Can. J. Anim. Sci. 48, 181.CrossRefGoogle Scholar
Bell, J. M. (1965). Can. J. Anim. Sci. 45, 105.CrossRefGoogle Scholar
Bell, J. M. & Loosli, J. K. (1951). J. Anim. Sci. 10, 50.CrossRefGoogle Scholar
Black, J. L. & Griffiths, D. A. (1975). Br. J. Nutr. 33, 399.CrossRefGoogle Scholar
Braude, R., Mitchell, K. G., Newport, M. J. & Porter, J. W. G. (1970). Br. J. Nutr. 24, 501.CrossRefGoogle Scholar
Braude, R. & Newport, M. J. (1973). Br. J. Nutr. 29, 447.CrossRefGoogle Scholar
Braude, R., Newport, M. J. & Porter, J. W. G. (1971). Br. J. Nutr. 25, 113.CrossRefGoogle Scholar
Brody, S. (1945). Bioenergetics and Growth. New York: Hafner Publishing Co. Inc.Google Scholar
Calloway, D. H. & Margen, S. (1971). J. Nutr. 101, 205.CrossRefGoogle Scholar
Chamberlain, A. G. (1972). In Pig Production, p. 203 [Cole, D. J. A., editor]. London: Butterworths.Google Scholar
Chan, H. & Waterlow, J. C. (1966). Br. J. Nutr. 20, 775.CrossRefGoogle Scholar
Charette, L. A. (1961). Can. J. Anim. Sci. 41, 30.CrossRefGoogle Scholar
Cooke, R., Lodge, G. A. & Lewis, D. (1972). Anim. Prod. 14, 219.Google Scholar
Davies, J. M. & Lucas, I. A. M. (1972). Anim. Prod. 15, 127.Google Scholar
Duncan, D. L. (1966). In Recent Advances in Animal Nutrition, p. 51 [Abrams, J. T. editor]. London: J. & A. Churchill.Google Scholar
Elsley, F. W. H., Anderson, D. M., McDonald, J., Macpherson, R. M. & Smart, R. (1966). Anim. Prod. 8, 391.Google Scholar
FAO (1973). Wld Hlth Org. Tech. Rep. Ser. no. 522.Google Scholar
Fuller, M. F. (1965). Br. J. Nutr. 19, 531.CrossRefGoogle Scholar
Fuller, W. A. (1969). Aust. J. agric. Econ. 13, 35.Google Scholar
Heard, C. R. C. (1964). Proc. Nutr. Soc. 23, 110.CrossRefGoogle Scholar
Homb, T. (1972). Festskrift Til Knut Brierem, p. 61Gjøvik: Mariendals Boktrykkeri, A.S.Google Scholar
Jacquot, R. & Peret, J. (1972). In Protein and Amino Acid Functions, p. 317 [Bigwood, E. J., editor]. Oxford: Pergamon Press.Google Scholar
Jones, A. S., Hepburn, W. R. & Boyne, A. W. (1961). J. Sci. Fd Agric. 12, 353.CrossRefGoogle Scholar
Kielanowski, J. (1967). Proc. 9th int. Congr. Anim. Prod. p. 212.Google Scholar
Kielanowski, J. (1972). In Pig Production, p. 183 [Cole, D. J. A., editor]. London: Butterworths.Google Scholar
Kleiber, M. (1961). The Fire of Life. New York: John Wiley and Sons Inc.Google Scholar
Kleiber, M. (1964). In Energy Metabolism, p. 427 [Blaxter, K. L. editor]. London: Academic Press.Google Scholar
Leroy, A. M. (1965). Wld Rev. Anim. Prod. 1, 31.Google Scholar
Lodge, G. A., Hardy, B. & Lewis, D. (1972). Anim. Prod. 14, 229.Google Scholar
Lucas, I. A. M. & Miles, K. L. (1970). Anim. Prod. 12, 403.Google Scholar
McLaughlan, J. M. & Campbell, J. A. (1969). In Mammalian Protein Metabolism, Vol. 3, p. 391 [Munro, H. N. editor]. New York: Academic Press.CrossRefGoogle Scholar
Manners, M. J. & McCrea, M. R. (1963). Br. J. Nutr. 17, 495.CrossRefGoogle Scholar
Miller, D. S. & Payne, P. R. (1963). J. theor. Biol. 5, 1398.CrossRefGoogle Scholar
Miller, D. S. & Payne, P. R. (1964). Proc. Nutr. Soc. 23, 11.CrossRefGoogle Scholar
Miller, G. M., Becker, D. E., Jensen, A. H., Harman, B. G. & Norton, H. W. (1969). J. Anim. Sci. 28, 204.CrossRefGoogle Scholar
Morgan, D. J., Cole, D. J. A. & Lewis, D. (1975). J. agric. Sci., Camb. 84, 7.CrossRefGoogle Scholar
Munro, H. N. (1964). In Mammalian Protein Metabolism, Vol. 1, p. 381 [Munro, H. N. and Allison, J. B., editors]. New York: Academic Press.CrossRefGoogle Scholar
Munro, H. N. (1969). In Mammalian Protein Metabolism, Vol. 3, p. 133 [Munro, H. N., editor]. New York: Academic Press.CrossRefGoogle Scholar
National Research Council (1973). Nutrient Requirements of Domestic Animals No. 2, Nutrient Requirements of Swine. Washington, DC: National Research Council.Google Scholar
Nielsen, A. J. (1971). Arsskrift, p. 81. Copenhagen: K. Veterinaer-og Landbohøjskole.Google Scholar
O'Hea, E. K. & Leveille, G. A. (1969). Fedn Proc. Fedn Am. Socs exp. Biol. 28, 687 Abstr.Google Scholar
Oslage, H. J. & Fliegel, H. (1964). In Energy Metabolism, p. 297 [Blaxter, K. L. editor]. London: Academic Press.Google Scholar
Payne, P. R. (1972). In Protein and Amino Acid Functions, p. 259 [Bigwood, E. J. editor]. Oxford: Pergamon Press.Google Scholar
Piatkowski, B. & Jung, H. (1966). Arch. Tierz. 9, 307.Google Scholar
Prescott, J. D. H. & Lamming, G. E. (1967). Anim. Prod. 9, 535.Google Scholar
Rérat, A. (1972). Nutr. Abstr. Rev. 42, 13.Google Scholar
Rérat, A. & Henry, Y. (1964). Annls Zootech. 13, 5.CrossRefGoogle Scholar
Rippel, R. H., Harman, B. G., Jensen, A. H., Norton, H. W. & Becker, D. E. (1965). J. Anim. Sci. 24, 209.CrossRefGoogle Scholar
Rutledge, E. A., Hanson, L. E. & Meade, R. J. (1961). J. Anim. Sci. 20, 142.CrossRefGoogle Scholar
Scrimshaw, N. S., Davy, W., Perera, A. & Young, V. R. (1976). J. Nutr. 106, 665.CrossRefGoogle Scholar
Stobo, I. J. F. & Roy, J. H. B. (1973). Br. J. Nutr. 30, 113.CrossRefGoogle Scholar
Sugahara, M., Baker, D. H., Harman, B. G. & Jensen, A. H. (1969). J. Anim. Sci. 29, 598.CrossRefGoogle Scholar
Thorbek, G. (1969 a). In Energy Metabolism of Farm Animals, p. 281 [Blaxter, K. L., Kielanowski, J., Thorbek, G., editors]. Newcastle upon Tyne: Oriel Press.Google Scholar
Thorbek, G. (1969 b). Nutrition, p. 5. London: US Feed Grains Council.Google Scholar
Verstegen, M. W. A., Close, W. H., Start, I. B. & Mount, L. E. (1973). Br. J. Nutr. 30, 21.CrossRefGoogle Scholar
Waterlow, J. C. (1969). In Mammalian Protein Metabolism, Vol. 3, p. 325 [Munro, H. N. editor]. New York: Academic Press.CrossRefGoogle Scholar
Whittemore, C. T. & Fawcett, R. H. (1974). Anim. Prod. 19, 221.Google Scholar
Wood, A. J. & Groves, T. D. D. (1965). Can. J. Anim. Sci. 45, 8.CrossRefGoogle Scholar
Wyllie, D., Speer, V. C., Ewan, R. C. & Hays, V. W. (1969). J. Anim. Sci. 29, 433.CrossRefGoogle Scholar
Young, V. R., Steffee, W. P., Pencharz, P. B., Winterer, J. C. & Scrimshaw, N. S. (1975). Nature, Lond. 253, 192.CrossRefGoogle Scholar