Dietary Litsea cubeba essential oil supplementation improves growth performance and intestinal health of weaned piglets

IF 6.3

Animal Nutrition Pub Date : 2023-06-01 DOI:10.1016/j.aninu.2022.11.004

Zhe Yang , Fang Wang , Yexin Yin , Peng Huang , Qian Jiang , Zhimou Liu , Yulong Yin , Jiashun Chen

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引用次数: 3

Abstract

This paper was to determine the effects of dietary Litsea cubeba essential oil (LEO) supplementation on growth performance, immune function, antioxidant level, intestinal morphology and microbial composition in weaned piglets. One hundred and ninety-two piglets (Duroc × [Large White × Landrace]) with 6.85 ± 0.22 kg mean body weight weaned at 21 d of age were randomly assigned to 4 treatment groups with 8 replicates and were fed with a basal diet (CON) or CON diet containing 100 (LLEO), 200 (MLEO) and 400 (HLEO) mg/kg LEO. The results revealed that HLEO supplementation (P < 0.05) increased the average daily gain on d 28 compared with CON. MLEO and HLEO supplementation decreased (P < 0.05) feed conversion ratio. LEO-containing diets had a lower (P < 0.05) diarrhea rate. Supplementation with HLEO increased (P < 0.05) total antioxidant capacity (T-AOC) both in the serum and liver. Meanwhile, the supplementation of MLEO and HLEO resulted in higher (P < 0.05) glutathione peroxidase (GPx) activities both in serum and liver. Supplementation of HLEO increased (P < 0.05) serum immunoglobulin A, immunoglobulin G and interleukin-10, whereas supplementation with MLEO and HLEO decreased (P < 0.05) tumor necrosis factor-α. Villus height in the duodenum or jejunum was increased (P < 0.05) in the HLEO group, and the villus height to crypt depth ratio in the jejunum was also improved (P < 0.05) in the MLEO group. The addition of LEO increased (P < 0.05) the richness and diversity of the microbial community in the cecum, which mainly increased the relative abundance of Oscillospiraceae_UCG-005, Faecalibacterium, Blautia and Coprococcus. Piglets supplemented with HLEO increased (P < 0.05) the concentration of short chain fatty acids (SCFA), including acetic acid in the cecum and propionic acid in the colon. In conclusion, these findings indicated that LEO supplementation improved growth performance and intestinal health in weaned piglets.

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日粮中添加山苍子精油可改善断奶仔猪的生长性能和肠道健康

研究了日粮添加山苍子精油（LEO）对断奶仔猪生长性能、免疫功能、抗氧化水平、肠道形态和微生物组成的影响。将192头21日龄断奶的平均体重为6.85±0.22kg的杜洛克×长白×长白仔猪随机分为4个处理组，每组8个重复，分别饲喂基础日粮（CON）或含100（LLEO）、200（MLEO）和400（HLEO）mg/kg LEO的CON日粮。结果显示，与CON相比，补充HLEO（P<；0.05）增加了第28天的平均日增重。补充MLEO和HLEO降低了（P>；0.05）饲料转化率。含有LEO的饮食具有较低的腹泻率（P<；0.05）。补充HLEO增加了（P<；0.05）血清和肝脏中的总抗氧化能力（T-AOC）。同时，补充MLEO和HLEO导致血清和肝脏中谷胱甘肽过氧化物酶（GPx）活性较高（P<；0.05）。补充HLEO增加了（P<；0.05）血清免疫球蛋白A、免疫球蛋白G和白细胞介素-10，而补充MLEO和HLEO降低了（P>；0.05）肿瘤坏死因子-α。HLEO组中十二指肠或空肠中的绒毛高度增加（P<；0.05），MLEO组中空肠中绒毛高度与隐窝深度之比也改善（P<：0.05）。LEO的加入增加了盲肠中微生物群落的丰富度和多样性（P<；0.05），主要增加了示波螺旋菌e_UCG-005、Faecalibacterium、Blautia和Coprococcus的相对丰度。补充HLEO的仔猪增加了短链脂肪酸（SCFA）的浓度（P<；0.05），包括盲肠中的乙酸和结肠中的丙酸。总之，这些发现表明，补充LEO可以改善断奶仔猪的生长性能和肠道健康。

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来源期刊

Animal Nutrition Animal Science and Zoology

CiteScore

9.70

自引率

0.00%

发文量

542

审稿时长

65 days

期刊介绍： Animal Nutrition encompasses the full gamut of animal nutritional sciences and reviews including, but not limited to, fundamental aspects of animal nutrition such as nutritional requirements, metabolic studies, body composition, energetics, immunology, neuroscience, microbiology, genetics and molecular and cell biology related to primarily to the nutrition of farm animals and aquatic species. More applied aspects of animal nutrition, such as the evaluation of novel ingredients, feed additives and feed safety will also be considered but it is expected that such studies will have a strong nutritional focus. Animal Nutrition is indexed in SCIE, PubMed Central, Scopus, DOAJ, etc.