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Time taken for growing pigs to acclimate to change in ambient temperature



Time taken for growing pigs to acclimate to change in ambient temperature



Netherlands Journal of Agricultural Science 36(1): 1-10



In 4 almost identical trials, acclimation to 15 and 25.degree.C of 2 groups of 10 group-housed young pigs of liveweight 20 kg, previously identically kept at 20.degree.C, was assessed over 12 days from the time course of rate of gain, intake of metabolizable energy (ME) and rate of heat production. During the first 6 days, rate of gain was 57 g .cntdot. d-1 and ME intake was 166 kJ .cntdot. kg-0.75 .cntdot. d-1 less at 15.degree.C than at 25.degree.C. However the rates then (7-12 days) increased in pigs at 15.degree.C by 85 g .cntdot. d-1 and 127 kJ .cntdot. kg-0.75 .cntdot. d-1. Pigs acclimated to low temperature more quickly during daylight than during darkness. Acclimation was related to activity of the pigs, assessed ultrasonically, with burglar devices and was established in 8 days at 15.degree.C and in 5 days at 25.degree.C.

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Accession: 001719674

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