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Histopathological analysis by score (A) and total (B) of the jejunum of broiler chickens supplemented with antibiotic growth promoter (AGP) or protected organic acids (OA) and essential oils (EO) [P(OA + EO)] raised under field conditions. Values are means of 40 replicates. Inf, inflammatory [± standard error of mean (SEM); abP < 0.05].
