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標題: A simulation model for predicting the voluntary feed intake of a growing pig
作者: Yoosuk, S.
Ong, H.B.
Roan, S.W.
Morgan, C.A.
Whittemore, C.T.
關鍵字: Growing pig;simulation model;voluntary feed intake;floor area allowance;food-intake;protein-requirements;body-composition;thermal environment;dietary-composition;energy-utilization;varying protein;heat-production;growth
Project: Acta Agriculturae Scandinavica Section a-Animal Science
期刊/報告no:: Acta Agriculturae Scandinavica Section a-Animal Science, Volume 61, Issue 4, Page(s) 168-186.
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.
ISSN: 0906-4702
DOI: 10.1080/09064702.2011.642000
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