Effect of Organic, Nano, and Inorganic Zinc Sources on Growth Performance, Antioxidant Function, and Intestinal Health of Young Broilers
文献类型： 外文期刊
作者： Xie, Shuxian 1 ; Li, Yipu 1 ; Suo, Yanrui 1 ; Wang, Zheng 1 ; Zhang, Bo 1 ; Li, Jing 1 ; Huang, Jianguo 1 ; Wang, Yalei 1 ; Ma, Chunjian 1 ; Lin, Dongmei 3 ; Ma, Tenghe 3 ; Shao, Yuxin 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Anim Husb & Vet Med, Beijing 100097, Peoples R China
2.China Agr Univ, Coll Anim Sci & Technol, Beijing 100090, Peoples R China
3.Hebei Univ Engn, Handan 056038, Hebei, Peoples R China
关键词： Organic zinc; Nano-zinc oxide; Antioxidant function; Intestinal health; Broilers
期刊名称：BIOLOGICAL TRACE ELEMENT RESEARCH （ 影响因子：3.4； 五年影响因子：3.7 ）
ISSN： 0163-4984
年卷期： 2024 年
页码：
收录情况： SCI
摘要： The study aimed to determine the effects of different zinc sources on growth performance, antioxidant function, and intestinal health of broilers. In total, 240 Ross 308 male broilers with similar weight were randomly assigned to 4 treatments, including zinc sulfate, methionine zinc (Zn-Met), glycine zinc (Zn-Gly), and nano-zinc oxide (ZnO-NPs), with 80 mg zinc/kg diet supplementation. The experiment lasted for 21 days. Results showed dietary supplemental Zn-Gly and Zn-Met increased average daily gain during 1-14 days (P = 0.011), and Zn-Gly, Zn-Met, and ZnO-NP supplementation decreased the ratio of feed to gain during 1-21 days (P = 0.003) compared to zinc sulfate. ZnO-NPs supplementation tended to increase total SOD activity (P = 0.068) and had higher serum IgA content and lower MDA level than the other three groups (P < 0.05). Compared with zinc sulfate, Zn-Met and ZnO-NP supplementation decreased TNF-alpha mRNA expression (P = 0.048). However, serum biochemical indices, intestinal morphology, and mRNA expressions of tight junction proteins were not affected by different zinc sources (P > 0.05). A differential trend was observed in the beta diversity of bacterial communities among four groups (P = 0.082). The LEfSe analysis showed that bacterial genera Blautia, Ruminococcaceae, Clostridia, Anaerostipes, Eubacterium_ventriosum, Merdibacter, and Oscillospira were enriched in the ZnSO4 group, and the genera Eubacterium_hallii and Anaerotruncus were enriched in the Zn-Gly group. The genera UCG-009 and UCG010 were enriched in ZnO-NPs and Zn-Met groups, respectively. It should be stated dietary supplemental Zn-Met improved growth performance, ZnO-NPs promoted IgA production and reduced occurrences of oxidative stress and inflammation, and different zinc sources enriched different jejunal bacteria genera.
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