Abstract
Intestinal segments (10 per piglet) prepared in four anesthetized piglets were used to evaluate the effects of anti-diarrhea agents on net fluid and electrolyte losses and prostaglandin E2 (PGE2) concentrations upon infection with enterotoxigenic Escherichia coli (ETEC). Pairs of segments (non-infected and ETEC-infected) were perfused with either saline, fumaric acid (FA), zinc oxide (ZnO), egg yolk antibodies against K88 fimbriae (EYA) or carbadox (AB) during a 7.5-h period. Segments perfused with saline had higher (P < 0.05) net fluid and electrolyte losses compared to segments perfused with anti-diarrhea agents whilst FA showed higher fluid losses compared to other anti-diarrhea agents. Key words: Anti-diarrhea agents, enterotoxigenic Escherichia coli, piglets
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