Effect in white shrimp Litopenaeus vannamei of Eleutherine bulbosa (Mill.) Urb. Powder on immune genes expression and resistance against Vibrio parahaemolyticus infection

This study investigated the influence of Eleutherine bulbosa (Mill.) Urb. on the immune responses, bacterial population in the intestines, and resistance of white shrimp, Litopenaeus vannamei, against infection with Vibrio parahaemolyticus. Shrimp were fed with three dosages of powder, at 6.25 g kg–...

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Bibliographic Details
Published in:Fish & shellfish immunology 2020-07, Vol.102, p.218-227
Main Authors: Munaeni, Waode, Widanarni, Yuhana, Munti, Setiawati, Mia, Wahyudi, Aris Tri
Format: Article
Language:English
Subjects:
Adjuvants, Immunologic - pharmacology
Animals
Eleutherine bulbosa
Gene Expression - drug effects
Gene Expression - immunology
Immune genes expression
Immune responses
Immunity, Innate - drug effects
Immunity, Innate - genetics
Iridaceae - chemistry
Litopenaeus vannamei
Penaeidae - drug effects
Penaeidae - immunology
Penaeidae - microbiology
Plant Extracts - chemistry
Plant Extracts - pharmacology
Powders - chemistry
Powders - pharmacology
Vibrio parahaemolyticus
Vibrio parahaemolyticus - physiology
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Summary:This study investigated the influence of Eleutherine bulbosa (Mill.) Urb. on the immune responses, bacterial population in the intestines, and resistance of white shrimp, Litopenaeus vannamei, against infection with Vibrio parahaemolyticus. Shrimp were fed with three dosages of powder, at 6.25 g kg–1 (P6.25), 12.5 g kg–1 (P12.5), and 25 g kg–1 (P25). One dosage of the crude extract was provided, 1.25 g kg–1 (E1.25), and the controls without administration of E. bulbosa consisted of a positive control (PC) and a negative control (NC). Feed supplementation was carried out for 30 days; then shrimp from all treatments were challenged by intramuscular injection with V. parahaemolyticus (106 cfu/mL), except for the NC. The results showed that supplementation with the powder and extract of E. bulbosa for 30 days resulted in significantly higher (P 
ISSN:1050-4648
1095-9947
DOI:10.1016/j.fsi.2020.03.066