Hemoglobin Concentration and Thermostability in Neonatal Piglets

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Abstract
Correlation between blood hemoglobin concentration (HBC) and thermostability was estimated in domestic (DP) and wild piglets (WP) aged either 6 or 54 hours. Rectal temperature change during 90 min. in a 3 C environment (△RT) was negatively correlated with HBC (i.e., the higher the HBC the less the drop in RT) in DP (r=−.65; P<.01) and WP (r=−.71; P<.01) at 6 hr. and in DP (r=−.37; P<.05), but not in WP (r=0.09; not significant) at 54 hours. △RT was greater in DP with less than 8 g/100 ml than in those with higher HBC at 6 (P<.001) and 54 hr. (P<.10). From these results emerges the possibility that HBC may be a determinant of thermostability in domesticated neonatal piglets and may become especially limiting at levels below 8 g/100 ml of blood. Copyright © 1972. American Society of Animal Science . Copyright 1972 by American Society of Animal Science

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