Association between growth indicators and volume of lesions in lungs from pigs at slaughter
1992
Hill, M.A. | Scheidt, A.B. | Teclaw, R.F. | Clark, L.K. | Knox, K.E. | Jordan, M.
Conflicting findings exist among studies on the effect of pneumonia on growth in pigs. We determined the extent of pneumonia in market-weight pigs by use of an objective, volumetric method and linear regression analyses of mean daily gain and days-to-slaughter weight on the percentage of pneumonic lung. In a range of extent of pneumonia between 1.33 and 70.44%, a 10% increase in the volume of pneumonic lung was associated with a decrease in mean daily gain by 41.1 g and a 16.7-day increase in number of days to a slaughter weight of 104.5 kg.
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