Cecal Propionic Acid as a Biological Indicator of the Early Establishment of a Microbial Ecosystem Inhibitory toSalmonellain Chicks

Autor: Nisbet, D.J., Corrier, D.E., Ricke, S.C., Hume, M.E., Byrd II, J.A., DeLoach, J.R.
Zdroj: Anaerobe; December 1996, Vol. 2 Issue: 6 p345-350, 6p
Abstrakt: Experiments were conducted to evaluate the effects of different competitive exclusion (CE) cultures on the concentration of cecal propionic acid in 3-day-old broiler chicks, and the correlation between cecal propionic acid concentration and protection againstSalmonellacolonization. CE cultures that significantly (P<0.05) increased cecal propionic acid in 3-day-old chicks decreased (P<0.05) cecalSalmonellacolonization in 10-day-old chicks compared with the untreated controls. CE cultures that failed to significantly (P>0.05) increase cecal propionic acid concentrations in 3-day-old chicks failed to protect (P>0.05) against cecalSalmonellacolonization in 10-day-old chicks compared with untreated controls. A significant (P<.05) correlation (−.88) was found between cecal propionic acid concentration in 3-day-old chicks and cecalSalmonellacolonization in 10-day-old chicks.
Databáze: Supplemental Index