一种基于植物生物的添加剂可以防止禁食和再食的有害影响,这对挑战有很大影响
I Sanahuja1, M Tejero2, L Fernandez-Alacid1
1Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Avda. Diagonal 643, 08028, Barcelona, Spain.
植物生物添加剂通过维持皮肤粘液防御和改善恢复,在禁食期间保护金头海. 这种功能性料提高了鱼的性能和皮肤屏障功能,这对水产养殖健康至关重要.
科学领域:
- 水产养殖营养水产养殖营养
- 鱼类免疫学 鱼类免疫学
- 动物料添加剂 动物料添加剂
背景情况:
- 植物生物在功能性料中被认为有助于促进生长,免疫力和抗氧化作用.
- 禁食期间在水产养殖中带来了挑战,可能会影响鱼类的健康和表现.
- 皮肤粘膜在鱼类对病原体的防御中起着至关重要的作用.
研究的目的:
- 评估植物生物添加剂 (APEX) 在禁食和再养期间对金头海的免疫调节作用.
- 评估功能性料对鱼类性能和皮肤粘膜特性的影响.
- 了解植物生物如何影响皮肤屏障和粘液防御机制.
主要方法:
- 头海幼被养成商业饮食或功能饮食,其中含有0.3%的植物生物添加剂.
- 鱼类接受了为期15天的禁食期,随后是为期7天的再养阶段.
- 评估包括鱼的性能,排泄的粘液分析,抗菌能力测定和组织皮肤参数.
主要成果:
- 功能性饮食减轻了禁食期间的体重减轻,并在再养期间改善了体重增加.
- 植物生物补充剂在禁食和再养期间保留了皮肤粘液对关键病原体的抗菌能力.
- 功能性饮食在禁食前和再食阶段增强了皮肤屏障性能.
结论:
- 短期禁食会对鱼的皮肤健康和屏障功能产生负面影响.
- 基于植物生物的功能性料添加剂在禁食期间保护和维持皮肤粘液的防御性质.
- 这种植物生物添加剂的使用有利于水产养殖中的鱼类福利和恢复过程.
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