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Dietary supplementation of ferrous glycinate improves intestinal barrier function by modulating microbiota composition in Cherry Valley ducks by Haihua Yu; Yueqin Xie; Bing Wu; Hua Zhao; Xiaoling Chen; Gang Tian; Guangmang Liu; Jingyi Cai; Gang Jia is a Agricultural and Biological Sciences article available to read on EtoBox.

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Ferrous glycinate (Fe-Gly) has been increasingly used as iron fortification in the diets of weaned piglets and broilers, but the effect of Fe-Gly on intestinal barrier function in meat ducks has not been well defined. This study therefore investigated the effect of Fe-Gly on apparent nutrient utilization, hematological indices, intestinal morphological parameters, intestinal barrier function and microbial composition in meat ducks. A total of 672 one-day-old Cherry Valley ducks were randomly divided into 6 treatments (8 replicates for each treatment and 14 ducks for each replicate) and fed diets with 0 (control), 30, 60, 90 and 120 mg/kg Fe-Gly or 120 mg/kg FeSO~4~ for 35 d. The results showed that diets supplemented with Fe-Gly significantly increased average daily gain (ADG), average daily feed intake (ADFI), hematocrit (HCT), mean cell volume (MCV), the apparent utilization of dry matter (DM) and metabolizable energy (ME), villus height (VH) and villus height-to-crypt depth ratio (V:C) (__P__ < 0.05). Fe-Gly also significantly up-regulated barrier-related genes including zonula occludens-1 (__ZO-1)__, zonula occludens-2 (__ZO-2)__, mucin 2 (__MUC2__) and lysozyme (__LYZ)__ (__P_

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Author

Haihua Yu; Yueqin Xie; Bing Wu; Hua Zhao; Xiaoling Chen; Gang Tian; Guangmang Liu; Jingyi Cai; Gang Jia

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)