Effects of Lactobacillus acidophilus and tussah immunoreactive substances on disease resistance of sea cucumber (Apostichopus japonicus) against Vibrio splendidus,Aquaculture Research

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Effects of Lactobacillus acidophilus and tussah immunoreactive substances on disease resistance of sea cucumber (Apostichopus japonicus) against Vibrio splendidus
Aquaculture Research ( IF 1.9 ) Pub Date : 2021-04-29 , DOI: 10.1111/are.15293
Xuda Wang ₁ , Jingwei Jiang ₁ , Xiaoyan Guan ₁ , Zelong Zhao ₁ , Ying Dong ₁ , Jian Wang ₁ , Shilei Li ₁ , Bei Jiang ₁ , Guiying Liu ₁ , Hongjuan Sun ₁ , Shan Gao ₁ , Pingzhe Jiang ₁ , Xiaoyan Wang ₁ , Zunchun Zhou ₁

Affiliation

Effects of dietary Lactobacillus acidophilus and tussah immunoreactive substances (TIS) on disease resistance of sea cucumber (Apostichopus japonicus) against Vibrio splendidus were investigated. Sea cucumbers were fed with a basal diet in the control group (CK group) or were supplemented with L. acidophilus (L group), TIS (T group) or both (LT group). The challenge test with V. splendidus was conducted after the feeding trial. The cumulative mortality rate in the LT group was significantly lower, while the highest mortality occurred in the control group. The LT group showed better digestive and immune parameters compared with the other treatments. Dietary L. acidophilus and TIS in combination could effectively enhance digestive function and food uptake, depress oxidative damage and improve the organismal defence capability. Regarding gut microbiota profiles, the LT group was more capable of inhibiting potentially opportunistic pathogens and regulating intestinal flora balance compared with the other groups. The administration of L. acidophilus and TIS in the diet could effectively improve disease resistance against V. splendidus of sea cucumbers by improving the immune and digestive enzyme activities and modulating intestinal microflora, signalling a potential role in the development and production of aquatic feed.

中文翻译：

嗜酸乳杆菌和柞蚕免疫反应物质对海参（Apostichopus japonicus）抗灿烂弧菌病害的影响

研究了日粮嗜酸乳杆菌和柞蚕免疫反应物质（TIS）对海参（Apostichopus japonicus）抗灿烂弧菌病害的影响。海参与对照组中的基础饲料（CK组）喂养或者补充有大号。嗜酸乳杆菌（L 组）、TIS（T 组）或两者（LT 组）。与V的挑战测试。喂食试验后进行了splendidus。LT 组的累积死亡率明显较低，而对照组的死亡率最高。与其他治疗相比，LT 组显示出更好的消化和免疫参数。饮食升。嗜酸乳杆菌与TIS联合使用可有效增强消化功能和食物摄取，抑制氧化损伤，提高机体防御能力。关于肠道微生物群特征，与其他组相比，LT 组更能抑制潜在的机会性病原体和调节肠道菌群平衡。L的管理。日粮中嗜酸乳杆菌和TIS可有效提高对V . 灿烂通过提高免疫系统和消化酶活性和调节肠道菌群，信令水产饲料的研发和生产中具有潜在作用的海参。

更新日期：2021-04-29

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