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Effect of ambient temperature on energy metabolism in growing pigs



Effect of ambient temperature on energy metabolism in growing pigs



Animal Production 44(3): 427-434



Group-housed young growing pigs, given food ad libitum, were exposed to two temperatures, one within thermal neutrality (25.degree. C) and one around the lower critical temperature (15.degree. C). Pigs at 15.degree. C had daily gains reduced by 57 g for 6 days after initial exposure. Food intake was increased significantly after 6 days at 15.degree. C but not at 25.degree. C. Maintenance requirement was increased by 58 kJ/kg M0.75 and energy retained as protein was decreased by 49 kJ/kg M0.75 for the first 6 days after exposure to the treatment of 15.degree. C and thereafter both became equivalent to those of pigs at 25.degree. C afterwards. It is concluded that animals were acclimatized after 6 days exposure.

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Accession: 001570752

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DOI: 10.1017/s0003356100012368


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