Open-access Evaluation of the Effects of the Addition of Acacia Gum to the Diet on Productive Performance, Duodenal Viscosity, and Gut Health Indices of Broilers over 35 Days

Acacia gum is a potent prebiotic, which is fermented by the microbiota and increases beneficial bacteria and short-chain fatty acids (SCFA). This experiment aimed to determine the impact of acacia gum on broiler performance, intestinal viscosity, quantitative microbiota, and immune function in broilers. A total of 504 male broilers (43.91±0.03 g, 0 day of age) were randomly divided into six acacia gum groups (A=0, B=125, C=250, D=500, E=750, and F=1000 mg/kg basal diet), with 14 cages each (6 broilers/cage). Performance was measured for 35 days. A total of 14 broilers per group were randomly selected for slaughter to collect samples for analysis of targeted tests at 35 days of age. The results showed that acacia gum improved the performance indicators of broilers (p<0.05). The viscosity of duodenal contents was higher for acacia gum levels from 500 to 1000 mg/kg (p<0.05). Total SCFA, pro-inflammatory cytokines (IL-1β, IL-4, IL-6, and IL-12; TNF-α; INF-γ), and mucosal immune factors (MUC-2 and sIg A) increased with acacia gum supplementation (p<0.05). IL-10 was lower with 250 to 1000 mg/kg of acacia gum (p<0.05). Furthermore, acacia gum increased the beneficial microbiota (Lactobacillus spp., Bifidobacterial spp., and Bacteroides spp.), while Clostridium perfringens. was reduced. The results suggest that adding acacia gum to the diet, especially at a level of 1000 mg/kg, can positively influence growth performance, improve gut health, and enhance immune function in broilers.

Keywords:
Acacia gum; performance; gut bacterial; immunity; Gallus gallus

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