Effect of Probiotics on the Performance and Intestinal Health of Broiler Chickens Infected with Eimeria tenella.
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ABSTRACT: Coccidiosis is an important parasitic disease of poultry with great economic importance. Due to drug resistance issues, the study was conducted to investigate how probiotics (Lactobacillus plantarum or L. plantarum) affected oocysts per gram of feces (OPG), fecal scores, feed conversion ratio (FCR), immunomodulatory effect in terms of the cell-mediated and humoral immune response. Serum chemistry (ALT, AST, LDH, and creatinine) was measured in different treated chicken groups. mRNA expression levels of antioxidant enzymes (SOD 1 and CAT), peptide transporter 1 (PepT 1), and tight junction proteins (ZO and CLDN 1) were also examined in chicken groups infected with Eimeria tenella (E. tenella). Chickens supplemented with L. plantarum 1 × 108 CFU (colony-forming unit) showed an improved cell-mediated and humoral immune response, compared with the control group (p < 0.05). Probiotics also enhanced the performance of antioxidant enzymes, PepT 1, and tight junction proteins, and improved serum chemistry (AST, ALT, and LDH), compared with control-infected, non-medicated chickens. However, no significant difference (p > 0.05) was observed in CLDN 1 expression level and creatinine in all treated chicken groups. These findings demonstrated that probiotics supplementation in the feed can protect the birds against E. tenella infection.
SUBMITTER: Mohsin M
PROVIDER: S-EPMC8778926 | biostudies-literature |
REPOSITORIES: biostudies-literature
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