Effect of cysteamine hydrochloride supplementation on the growth performance, enterotoxic status, and glutathione turnover of broilers fed aflatoxin B1 contaminated diets

Poultry Science
N LiuJ P Wang

Abstract

This study aimed to investigate the effect of cysteamine hydrochloride (CSH) supplementation on the growth performance, opportunistic bacteria and enterotoxic markers, visceral lesions, glutathione turnover, and inflammatory factors of broilers fed diets contaminated with aflatoxin B1 (AFB1). One-day-old Arbor Acres broilers (n = 480) were randomly allocated to 4 treatments with 6 replicates of 20 chicks each for a 2 × 2 design with CSH (0 or 200 mg/kg) and AFB1 (0 or 40 μg/kg). The trial lasted for 42 d. Results showed that AFB1 negatively affected (P < 0.05) growth performance, opportunistic bacteria and enterotoxic markers, intestinal lesions, glutathione turnover, and inflammatory factors. The CSH increased (P < 0.05) feed intake and body weight gain. The enterotoxic status was relieved in the CSH treatments by reducing (P < 0.05) the populations of gut Escherichia coli, Gram-negative bacteria, serum diamine oxidase, and intestinal lesions. The CSH also increased (P < 0.05) serum reduced glutathione, glutathione s-transferases, and glutathione reductase, and decreased (P < 0.05) the mRNA levels of tumor necrosis factor-α, interleukin-6, and interleukin-1β. Significant interactions (P < 0.05) were found on Gram-negative bact...Continue Reading

References

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