Fever response of sheep in the peripartum period to Gram-negative and Gram-positive pyrogens

We have measured body temperatures and serum iron concentrations of sheep in the peripartum period following administration of endotoxin and Staphylococcus aureus cell walls. Both the rise in rectal temperature and the fall in serum iron concentration following intravenous injection of S. aureus wer...

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Veröffentlicht in:Pflügers Archiv 1992-03, Vol.420 (3-4), p.259-263
Hauptverfasser: GOELST, K, MITCHELL, D, MACPHAIL, A. P, COOPER, K. E, LABURN, H
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container_title Pflügers Archiv
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creator GOELST, K
MITCHELL, D
MACPHAIL, A. P
COOPER, K. E
LABURN, H
description We have measured body temperatures and serum iron concentrations of sheep in the peripartum period following administration of endotoxin and Staphylococcus aureus cell walls. Both the rise in rectal temperature and the fall in serum iron concentration following intravenous injection of S. aureus were the same immediately pre- and postpartum as they were 5 weeks after parturition. The rise in rectal temperature following intravenous endotoxin injection immediately pre- and postpartum was significantly less than that of the same ewes 5 weeks later. However, the fall in serum iron concentration following endotoxin injection was significantly suppressed only prepartum. We conclude that fever is not suppressed in sheep in the peripartum period, but the response to endotoxin is suppressed, through complex processes incidental to the mechanism responsible for the maintenance of gestation and induction of labour.
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source MEDLINE; Springer Nature - Complete Springer Journals
subjects Animals
Bacterial Toxins - pharmacology
Bacteriology
Biological and medical sciences
Body Temperature
Cell Wall - physiology
Endotoxins - pharmacology
Enterotoxins - pharmacology
Female
Fever - microbiology
Fundamental and applied biological sciences. Psychology
Iron - blood
Microbiology
Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains
Postpartum Period
Pregnancy
Pyrogens - pharmacology
Sheep
Staphylococcus aureus - physiology
title Fever response of sheep in the peripartum period to Gram-negative and Gram-positive pyrogens
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