Article ; Online: Dietary ethylenediamine dihydroiodide mitigated Escherichia coli O78-induced immune and intestinal damage of ducks via suppression of NF-κB signal.
2024 Volume 103, Issue 5, Page(s) 103610
Abstract: This study investigated the effect of Ethylenediamine dihydroiodide (EDDI) on growth performance, immune function and intestinal health of meat ducks challenged with Avian pathogenic Escherichia coli (APEC). A total of 360 one-day-old Cherry Valley ducks ...
| Abstract | This study investigated the effect of Ethylenediamine dihydroiodide (EDDI) on growth performance, immune function and intestinal health of meat ducks challenged with Avian pathogenic Escherichia coli (APEC). A total of 360 one-day-old Cherry Valley ducks with similar body weight were randomly allocated to 6 treatments (6 floor cages, 10 birds/cage). A 3 × 2 factor design was used with 3 dietary iodine levels (0, 8, 16 mg/kg in the form EDDI and whether APEC was challenged or not at 7-day-old ducks. The feeding period lasted for 20 d. The results showed that the addition of EDDI reduced APEC-induced decrease of the 20-d weight loss of meat ducks (P < 0.05), and alleviated the inflammatory response of liver tissue induced by APEC challenge in meat ducks. In terms of immune function, EDDI supplementation reduced the immune organ index and increased the immune cell count of meat ducks, reduced the level of endotoxins in the serum of meat ducks (P < 0.05), as well as inhibited the expression levels of liver and spleen inflammatory factors and TLR signaling pathway related genes induced by APEC (P < 0.05). In terms of intestinal health, EDDI inhibited APEC-induced decreases in ZO-3 genes expression and increases in IL-1β and TNF-α expression, increased relative abundance of beneficial bacteria in the cecum and content of metabolites. Pearson correlation analysis showed that there was a significant correlation between liver inflammatory factors and TLR4 signaling pathway genes, and there might be a significant correlation between intestinal microbial flora and other physiological indexes of meat ducks, which indicated that EDDI could reduce the damage to immune function and intestinal health caused by APEC challenge through regulating the structure of intestinal flora. Collectively, our findings suggest that the EDDI can promote growth performance, improve immune function and the intestinal barrier in APEC-challenged meat ducks, which may be related to the suppression of NF-κB signal. |
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| MeSH term(s) | Animals ; Ducks ; Poultry Diseases/prevention & control ; Poultry Diseases/microbiology ; Animal Feed/analysis ; NF-kappa B/metabolism ; Diet/veterinary ; Escherichia coli/drug effects ; Escherichia coli Infections/veterinary ; Escherichia coli Infections/prevention & control ; Dietary Supplements/analysis ; Signal Transduction/drug effects ; Random Allocation ; Intestines/drug effects ; Dose-Response Relationship, Drug |
| Chemical Substances | NF-kappa B |
| Language | English |
| Publishing date | 2024-03-05 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 242586-5 |
| ISSN | 1525-3171 ; 0032-5791 |
| ISSN (online) | 1525-3171 |
| ISSN | 0032-5791 |
| DOI | 10.1016/j.psj.2024.103610 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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