A simulation model for predicting the voluntary feed intake of a growing pig

S. Yoosuk, H. B. Ong, S. W. Roan, C. A. Morgan, C. T. Whittemore

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


The main goal of this simulator is to predict voluntary feed intake based on the effects of temperature and stocking density. The model indicates the limiting factors relative to diet (protein, energy or ash), housing environmental conditions and stocking density. The concepts of compensatory protein growth, correction of lipid growth, the desired feed intake to meet energy, protein and ash requirements, and influences of stocking density, genotype and sex are also introduced in this model. This study draws a flow chart and steps to predict feed intake of a growing pig to make it clear how the model works. The model simulates the outcomes of feed intake, energy and protein requirements for maintenance, the energy cost for cold thermogenesis, and protein and lipid retention on a daily basis until slaughter weight. This model was also validated by comparison with published experiments.

Original languageEnglish
Pages (from-to)168-186
Number of pages19
JournalActa Agriculturae Scandinavica A: Animal Sciences
Issue number4
Publication statusPrint publication - 1 Dec 2011


  • Growing pig
  • simulation model
  • voluntary feed intake


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