Abstract
An experimental study (15-wk-old ISA Brown pullets) was conducted to establish the efficacy of the essential oil of Eugenia caryophyllata against Salmonella enterica serovar Enteritidis. The trial was composed of 4 groups. Pullets in groups 3 and 4 were fed with a commercial compound feed, and pullets in groups 1 and 2 were fed with the same feed plus the aromatic product at the dose of 250 g/Tm. At 19 wk old, the pullets in groups 1 and 3 were infected individually with an inoculum of 3.2 ± 0.8 × 107 cfu of Salmonella enterica serovar Enteritidis/ pullet. During the postinoculation period, samples of feces and eggs were cultured, and pullets were killed 30 d postinoculation. The aromatic product containing eugenol seems to aid in the cleaning of the intestinal and systemic infections, and it also plays an important role in the control of Salmonella cross contamination in eggs.
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