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A study of the relationship between glucose tolerance of sows and the mean birth weight of their offspring

Published online by Cambridge University Press:  27 March 2009

D. M. Anderson ,
F. W. H. Elsley ,
I. McDonald  and
R. M. MacPherson
D. M. Anderson
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen, AB2 9 SB
F. W. H. Elsley
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen, AB2 9 SB
I. McDonald
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen, AB2 9 SB
R. M. MacPherson
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen, AB2 9 SB
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Summary

Intravenous glucose tolerance tests were performed on thirty-four sows when they were either non-pregnant or in very early pregnancy. It was found that there was a relation between each sow's glucose tolerance and the mean of the mean birth weight of all her litters. The relation was expressed by the equation Y = 0.013T + 0.81 (R.S.D. ± 0–124 kg) where Y = birth weight and T = glucose tolerance as minutes for blood glucose to return to fasting concentration. The correlation coefficient was +0.58. The addition of further variables to the equation (sow's live weight at test, sow's parity at test and the number of pigs per litter) did not give any useful improvement of the estimate of birth weight.

Type
Short Note
Information
The Journal of Agricultural Science , Volume 76 , Issue 1 , February 1971 , pp. 179 - 182
Copyright
Copyright © Cambridge University Press 1971

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References

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