Influence of age on the febrile response to E. coli and S. typhimurium endotoxins in growing pullets.
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1. The effect of bacterial endotoxin injection was studied in growing pullets of different ages. Commercial chicks were divided into 5 groups according to age. Bacterial endotoxins (E. coli and S. typhimurium) were injected intravenously and rectal temperature was measured over a period of 300 min. 2. The results showed no significant effect of age on the febrile response induced by bacterial endotoxins, but a slight tendency towards a reduced fever peak was observed with increasing age. The response latency also increased with age.
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endotoxin, aging, animal, animal disease, bird disease, chicken, Escherichia coli, fever, injection, microbiology, pathogenicity, pathophysiology, physiology, Salmonella typhimurium, Aging, Animal, Chickens, Endotoxins, Fever, Injections, Poultry Diseases, Support, Non-U.S. Gov't
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Inglês
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British poultry science, v. 33, n. 4, p. 769-774, 1992.
