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  • Title: Dietary Lactobacillus acidophilus and Mannan-Oligosaccharides Alter the Lipid Metabolism and Health Indices in Broiler Chickens.
    Author: Dev K, Begum J, Biswas A, Kannoujia J, Mir NA, Sonowal J, Kant R, Narender T.
    Journal: Probiotics Antimicrob Proteins; 2021 Jun; 13(3):633-646. PubMed ID: 33165834.
    Abstract:
    The effects of dietary Lactobacillus acidophilus (LBA) and mannan-oligosaccharide (MOS) supplementation on lipid metabolism and consequent lipid profile and health indices in broiler chicken were investigated in this study. Supplementation of 0.2% MOS along with either 106 or 107 LBA/g feed in broiler chicken downregulated hepatic expression of genes involved in lipogenesis, and upregulated expression of lipolytic genes. It caused decline of lipogenesis and increase of lipid oxidation which resulted in lower carcass fat content. None of the genes studied influenced fatty acid profile of chicken meat except the expression of stearoyl CoA (Δ9) desaturase-1 (SCD-1) whose upregulation increased monounsaturated fatty acid (MUFA) content at the cost of saturated fatty acid (SFA) content. The lipid metabolism indices of chicken meat such as ∆9 desaturase index (DI) increased in birds supplemented with 0.2% MOS along with either 106 or 107 CFU LBA/g feed, whereas no effect was observed on ∆5 + ∆6 DI. The supplementation of 0.2% MOS along with either 106 or 107 CFU LBA/g feed in birds improved the health indices of chicken meat due to upregulation of SCD-1 expression. The supplementation of 0.2% MOS along with either 106 or 107 CFU LBA/g feed in broiler chicken produced hypocholesterolemic and hypolipidemic effects with improved serum cardio-protective indices.
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