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两种饮食共生菌对日本鱼生长表现,血液学参数和非特异性免疫反应的影响

Olumide Samuel Olowe¹, Ali Hamidoghli², Wonsuk Choi²

¹Food and Agriculture Organization of the United Nations, World Fisheries University Pilot Program, Pukyong National University, Busan, Korea.

Journal of aquatic animal health

|December 5, 2023

概括

含有Bacillus subtilis与mannooligosaccharides (MOS) 的共生菌显著改善了日本的生长和生存. 这些发现表明,共生菌是水产养殖实践中抗生素的可行替代品.

科学领域:

水产养殖营养水产养殖营养
鱼的肠道微生物群调节
动物料添加剂动物料添加剂

背景情况:

在水产养殖中,料添加剂对于改善鱼类健康和生长至关重要.
协生菌,结合益生菌和益生菌,显示在调节肠道微生物群的承诺.
日本 (Anguilla japonica) 水产养殖面临着通过改进料策略来解决的挑战.

研究的目的:

为了评估两种协生菌的有效性,Bacillus subtilis含有mannooligosaccharides (MOS) 和Enterococcus faecium含有fructooligosaccharides (FOS),作为日本的料添加剂.
为了比较这些协生菌对控制饮食和抗生素 (oxytetracycline) 饮食的影响.
评估对生长表现,免疫反应和疾病耐药性的影响.

主要方法:

日本鱼被养六种饮食:对照饮食,氧化环素饮食和四种与不同度的B. subtilis/MOS或E. faecium/FOS.的共生饮食.
鱼被养了8周,每次治疗有20只鱼的三倍组.
测量了生长参数 (体重增加,SGR),料效率,以及免疫酶活动 (髓氧化酶,超氧化物转化酶).
用Vibrio anguillarum进行疾病挑战,以评估生存率.

主要成果:

与B. subtilis和MOS (BSMOS) 的共生饮食显著增加了体重增加,特定生长率 (SGR) 和料效率,而与对照和氧化环素饮食相比.
此外,BSMOS饮食还提高了鱼类对抗Vibrio anguillarum的生存率.
含有MOS (BSMOS) 协同生物的B. subtilis表现出优异的免疫增强作用,由更高的髓氧化酶和超氧化物脱酶活动表明.

结论:

协生菌,特别是含有MOS的 Bacillus subtilis,是有效的料添加剂,可以改善日本鱼的生长,料利用率和抗病能力.
协生菌是水产养殖中使用抗生素的一个有希望的,可能更健康的替代品.
对水产养殖物种的最佳共生配方进行进一步的研究是有必要的.

关键词:

抗生素抗生素是一种抗生素.用于料添加剂的料添加剂鱼类疾病鱼类疾病免疫反应的免疫反应.益生菌是一种益生菌.

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