Modelling the effects of thermal environment and dietary composition on pig performance: Model testing and evaluation

Animal Science

Volumn 77, Issue 2, 2003, Pages 267-276

  Wellock, I J ^a   Emmans, G C ^a   Kyriazakis, I ^a  

^a SCOTTISH AGRICULTURAL COLLEGE   (United Kingdom)

Author keywords

Food intake; Growth; Mathematical models; Pigs; Temperature

Indexed keywords

SUS SCROFA; VERTEBRATA;

EID: 0142135423     PISSN: 13577298     EISSN: None     Source Type: Journal    
DOI: 10.1017/s1357729800059002     Document Type: Article

References (37)

1. Birkett, S. and Lange, K. de. 2001a. A computational framework for a nutrient flow representation of energy utilization by growing monogastric animals. British Journal of Nutrition 86: 661-674.
2. Birkett, S. and Lange, K. de. 2001b. Calibration of a nutrient flow model of energy utilization by growing pigs. British Journal of Nutrition 86: 675-689.
3. Black, J. L. 1995a. Approaches to modelling. In Modelling growth in the pig (ed. P. J. Moughan, M. W. A. Verstegen and M. I. Visser-Reyneveld), EAAP publication no. 78, pp. 11-22. Wageningen Pers, The Netherlands.
4. Black, J. L. 1995b. Testing and evaluation of models. In Modelling growth in the pig (ed. P. J. Moughan, M. W. A. Verstegen and M. I. Visser-Reyneveld), EAAP publication no. 78, pp. 23-31. Wageningen Pers, The Netherlands.
5. Black, J. L., Campbell, R. G., Williams, I. H., James, K. J. and Davies, G. T. 1986. Simulation of energy and amino acid utilisation in the pig. Research and Development in Agriculture 3: 121-145.
6. Boisen, S., Hvelplund, T., and Weisbjerg, M. R. 2000. Ideal amino acid profiles as a basis for feed protein evaluation. Livestock Production Science 64: 239-251.
7. Bridges, T. C., Turner, L. W., Stahly, T. S., Usry, J. L. and Loewer, O. J. 1992a. Modelling the physiological growth of swine. I. Model logic and growth concepts. Transactions of the American Society of Agricultural Engineers 35: 1019-1028.
8. Bridges, T. C., Turner, L. W., Stahly, T. S., Usry, J. L. and Loewer, O. J. 1992b. Modelling the physiological growth of swine. II. Validation of model logic and growth concepts. Transactions of the American Society of Agricultural Engineers 35: 1029-1033.
9. Campbell, R. G. 1977. The response of early weaned pigs to various protein levels in a high energy diet. Animal Production 24: 69-75.
10. Campbell, R. G. and Dunkin, A. C. 1983. The influence of nutrition in early life on growth and development of the pig. 3. Effects of energy intake prior and subsequent to 10 kg on growth and development to 30 kg live weight. Animal Production 36: 435-443.
11. Collin, A., Milgen, J. van and Le Dividich, J. 2001. Modelling the effect of high, constant temperature on food intake in young growing pigs. Animal Science 72: 519-527.
12. Emmans, G. C. and Kyriazakis, I. 1995. A general method for predicting the weight of water in the empty bodies of pigs. Animal Science 61: 103-108.
13. Ferguson, N. S. and Gous, R. M. 1997. The influence of heat production on voluntary food intake in growing pigs given protein-deficient diets. Animal Science 64: 365-378.
14. France, J. and Thornley, J. H. M. 1984. Mathematical models in agriculture. Butterworths, London.
15. Giles, L. R., Dettmann, E. B. and Lowe, R. F. 1988. Influence of diurnally fluctuating high temperature on growth and energy retention of growing pigs. Animal Production 47: 467-474.
16. Harrison, S. H. 1987. Validation of models: methods, applications and limitations. In Computer assisted management of agricultural production systems, pp. 1-18. Royal Melbourne Institute of Technology, Melbourne.
17. Knap, P. W. 1999. Simulation of growth in pigs: evaluation of a model to relate thermoregulation to body protein and lipid content and deposition. Animal Science 68: 655-679.
18. Knap, P. W., Roehe, R., Kolstad, K., Pomar, C. and Luiting, P. 2002. Characterization of pig gentoypes. Journal of Animal Science 80: (suppl. 1) 174 (abstr.).
19. Kyriazakis, I. 2003. The control and prediction of food intake in sickness and in health. In Perspectives in pig science (ed. J. Wiseman, M. Varley and B. Kemp), pp. 381-403. Nottingham University Press, UK.
20. Kyriazakis, I. and Emmans, G. C. 1991. Diet selection in pigs: dietary choices made by growing pigs following a period of underfeeding with protein. Animal Production 52: 337-346.
21. Kyriazakis, I. and Emmans, G. C. 1992. The effects of varying protein and energy intakes on growth and body composition of pigs. 1. The effects of energy intake at constant, high protein intake. British Journal of Nutrition 68: 603-613.
22. Kyriazakis, I., Emmans, G. C. and Whittemore, C. T. 1990. Diet selection in pigs: choices made by growing pigs given foods of different protein concentrations. Animal Production 51: 189-199.
23. Kyriazakis, I., Emmans, G. C. and Whittemore, C. T. 1991. The ability of pigs to control their protein intake when fed in three different ways. Physiology and Behavior 50: 1197-1203.
24. Mount, L. E., Holmes, C. W., Close, W. H., Morrison, S. R. and Start, I. B. 1971. A note on the consumption of water by the growing pig at several environmental temperatures and levels of feeding. Animal Production 13: 561-563.
25. National Research Council. 1998. Nutrient requirements of swine, 10th edition. National Academy Press, Washington, DC.
26. Nienaber, J. A., Hahn, G. L., McDonald, T. P. and Korthals, R. L. 1996. Feeding patterns and swine performance in hot environments. Transactions of the American Society of Agricultural Engineers 39: 195-202.
27. Nienaber, J. A., Hahn, G. L. and Yen, J. T. 1987a. Thermal environment effects on growing-finishing swine. 1. Growth, food intake and heat production. Transactions of the American Society of Agricultural Engineers 30: 1772-1775.
28. Nienaber, J. A., Hahn, G. L. and Yen, J. T. 1987b. Thermal environment effects on growing-finishing swine. 2. Carcass composition and organ weights. Transactions of the American Society of Agricultural Engineers 30: 1776-1779.
29. Pomar, C., Harris, D. L. and Minvielle, F. 1991. Computer simulation model of swine production systems. 1. Modelling the growth of young pigs. Journal of Animal Science 69: 1468-1488.
30. Schenck, B. C., Stahly, T. S. and Cromwell, G. L. 1992a. Interactive effects of thermal environment and dietary amino acid and fat levels on rate, efficiency and composition of growth of weaning pigs. Journal of Animal Science 70: 3791-3802.
31. Schenck, B. C., Stahly, T. S. and Cromwell, G. L. 1992b. Interactive effects of thermal environment and dietary amino acid and fat levels on rate and efficiency of growth of pigs housed in a conventional nursery. Journal of Animal Science 70: 3803-3811.
32. Sugahara, M., Baker, D. H., Harmon, B. G. and Jensen, A. H. 1970. Effect of ambient temperature on performance and carcass development in young swine. Journal of Animal Science 31: 59-62.
33. Wellock, I. J., Emmans, G. C. and Kyriazakis, I. 2003. Modelling the effects of thermal environment and dietary composition on pig performance: model logic and concepts. Animal Science 77: 255-266.
34. Whittemore, C. T. and Fawcett, R. H. 1976. Theoretical aspects of a flexible model to simulate protein and lipid growth in pigs. Animal Production 22: 87-96.
35. Whittemore, E. C., Emmans, G. C. and Kyriazakis, I. 2003a. The relationship between live weight and the intake of bulky foods in pigs. Animal Science 76: 89-100.
36. Whittemore, E. C., Emmans, G. C. and Kyriazakis, I. 2003b. The problem of predicting food intake during the period of adaptation to a new food: a model. British Journal of Nutrition 89: 383-398.
37. Wright, R. D. 1979. Validating dynamic models: an evaluation of tests of predictive power. Proceedings of the summer computer simulation conference, pp. 1286-1296. Simulation Councils Inc., La Jolla, CA.