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Cooling gradients across pens in a finishing piggery 3. effects on performance and health



Cooling gradients across pens in a finishing piggery 3. effects on performance and health



Journal of Agricultural Engineering Research 28(3): 261-268



The effects of 3 different cooling gradients across finishing pig pens are quantitied in terms of food conversion ratio, liveweight gain and pig health. A lying area 3.2.degree. C warmer [6.3.degree. C in lower critical temperature (LCT)] than the excretory area is superior to both a 4.7.degree. C gradient (10.0.degree. C in LCT) and when there is no distinct gradient. In the 1st arrangment, food conversion ratio and liveweight gain were each better by 10% than with no distinct gradient. There was no evidence to suggest that the temperature gradient across the pens had a significant influence on the incidence of pneumonial disorders.

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Accession: 005054165

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