Hostname: page-component-8448b6f56d-sxzjt Total loading time: 0 Render date: 2024-04-25T05:30:27.562Z Has data issue: false hasContentIssue false
  • English
  • Français

The effect of dietary energy concentration and lysine/digestible energy ratio on growth performance and nitrogen deposition of young hybrid pigs

Published online by Cambridge University Press:  02 September 2010

T. A. Van Lunen  and
D. J. A. Cole
T. A. Van Lunen
Affiliation:
University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD
D. J. A. Cole
Affiliation:
University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD
Get access

Abstract

An experiment was conducted to examine the effects of dietary lysine/digestible energy (DE) ratio (g/MJ) and dietary energy concentration on growth performance and body composition of young hybrid gilts from 9·1 to 25·4 kg live weight. Seven pigs were assigned to each of 10 dietary treatments consisting of lysine/DE ratios from 0·6 to 1·4 in 0·2 g/MJ increments and two DE concentrations (14·25 and 16·40 MJ/kg). Food was provided ad libitum and at 25·4 kg all pigs were slaughtered and body composition was determined. Responses to lysine/DE ratios were different for each DE concentration. The pigs given the 16·40 MJ/kg DE diets had a higher daily live-weight gain (DLWG) and nitrogen deposition rate (NDR) than those given the 14·25 MJ/kg diets up to the 1·2 g/MJ lysine/DE ratio. Beyond this point no DE effects were evident. Lipid deposition rate (LDR) was higher for all 16·40 MJ/kg diets as compared with the 14·25 MJ/kg diets and decreased with increasing lysine/DE ratio. The 14·25 MJ/kg diets resulted in increasing efficiency of nitrogen and gross energy utilization with increasing lysinel DE ratio up to the 1·0 g/MJ ratio after which it declined. Efficiency of lipid utilization decreased with increasing lysine/DE ratio for all 14·25 MJ/kg diets. The 16·40 MJ/kg diets resulted in a decrease in nitrogen and gross energy utilization efficiency with increasing lysine/DE ratio while lipid efficiency decreased up to the 1·0 g/MJ lysine/DE ratio after which it increased. Young hybrid pigs given high energy diets appear to be less sensitive to dietary lysine/DE ratio than those given lower energy diets. The optimum lysine/DE ratio for the genotype tested from 9 to 25 kg live weight was of the order of 1·2 g/MJ for both DE concentrations. The maximum DLWG and NDR of the genotype tested over the live-weight range of 9 to 25 kg appears to be of the order of 620 and 17 g/day (106 g/day protein deposition rate) respectively.

Keywords

digestible energylysinenitrogenpigs
Type
Research Article
Information
Animal Science , Volume 67 , Issue 1 , August 1998 , pp. 117 - 129
Copyright
Copyright © British Society of Animal Science 1998

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Association of Official Analytical Chemists. 1980. Official methods of analysis. Association of Official Analytical Chemists, Washington, DC.Google Scholar
Batterham, E. S. 1994. Protein and energy relationships for growing pigs. In Principals of pig science (ed. Cole, D. J. A., Wiseman, J. and Varley, M. A.), pp. 107–121. Nottingham University Press, Nottingham.Google Scholar
Campbell, R. G. 1977. The response of early weaned pigs to various protein levels in a high energy diet. Animal Production 24: 69–75.Google Scholar
Campbell, R. G. 1987. Energy and protein metabolism in the pig. In Manipulating pig production (ed. Barnett, J. L.), pp. 85–95. Australian Pig Science Association, Werribee, Australia.Google Scholar
Campbell, R. G. 1988. Nutritional constraints to lean tissue accretion in farm animals. Nutrition Research Reviews 1: 233–253.CrossRefGoogle ScholarPubMed
Campbell, R. G. and Dunkin, A. C. 1983. The influence of dietary protein and energy intake on the performance, body composition and energy utilization of pigs growing from 7-19 kg. Animal Production 36:185–192.Google Scholar
Campbell, R. G., Taverner, M. R. and Curie, D. M. 1983. The influence of feeding level from 20-45 kg live weight on the performance and body composition of female and entire male pigs. Animal Production 36:193–199.Google Scholar
Campbell, R. G., Taverner, M. R. and Curie, D. M. 1984. Effects of feeding level and dietary protein content on the growth, body composition and rate of protein deposition in pigs growing from 45 to 90 kg. Animal Production 38: 233–240.Google Scholar
Campbell, R. G., Taverner, M. R. and Mullaney, P. D. 1975. The effects of dietary concentrations of digestible energy on the performance and carcass characteristics of early weaned pigs. Animal Production 21: 285–294.Google Scholar
Close, W. H. 1994. Feeding new genotypes: establishing amino acid/energy requirements. In Principles of pig science (ed. Cole, D. J. A., Wiseman, J. and Varley, M. A.), pp. 123–140. Nottingham University Press, Sutton Bonington.Google Scholar
Cole, D. J. A. 1978. Amino acid nutrition of the pig. In Recent advances in animal nutrition (ed. Haresign, W. and Lewis, D.), pp. 59–72. Butterworths, London.Google Scholar
Cooke, R., Lodge, G. A. and Lewis, D. 1972. Influence of energy and protein concentration in the diet on the performance of growing pigs. 1. Response to protein intake on a high energy diet. Animal Production 14:35–44.Google Scholar
Es, A. J. H. van. 1980. Energy costs of protein deposition. In Protein deposition in animals (ed. Buttery, P. J. and Lindsay, D. B.), pp. 215–224. Butterworths, London.Google Scholar
Genstat 5 Committee. 1987. Genstat 5 reference manual. Clarendon Press, Oxford.Google Scholar
Henderson, R. 1982. Comparative growth and body composition of index selected and control lines of Large White pigs. Ph.D. thesis, University of Edinburgh.Google Scholar
Holmes, C. W., Carr, J. R. and Pearson, G. 1980. Some aspects of the energy and nitrogen metabolism of boars, gilts and barrows given diets containing different concentrations of protein. Animal Production 31:279–289.Google Scholar
Nam, D. S. and Aherne, F. X. 1994. The effects of lysine/ energy ratio on the performance of weanling pigs. Journal of Animal Science 72:1247–1256.CrossRefGoogle ScholarPubMed
Van Lunen, T. A. and Cole, D. J. A. 1995. Growth and nitrogen deposition of hybrid pigs from 10 to 150 kg liveweight. Journal of Animal Science 73: (suppl. 1) 137.Google Scholar
Van Lunen, T. A. and Cole, D. J. A. 1996a. The effect of lysine/DE ratio on growth performance and nitrogen deposition of hybrid boars, gilts and castrated male pigs. Animal Science 63:465–475.CrossRefGoogle Scholar
Van Lunen, T. A. and Cole, D. J. A. 1996b. Energy-amino acid interactions in modern pig genotypes. In Recent advances in animal nutrition (ed. Garnsworthy, P. C., Wiseman, J. and Haresign, W.), pp. 233–261. Nottingham University Press, Nottingham.Google Scholar
Whittemore, C. T. 1993. The science and practice of pig production. Longman Scientific and Technical, Harlow.Google Scholar
Whittemore, C. T. 1994. Growth and the simulation of animal responses. In Principles of pig science (ed. Cole, D. J. A., Wiseman, J. and Varley, M. A.), pp. 55–74. Nottingham University Press, Sutton Bonington.Google Scholar