Influence of β-hydroxy-β-methylbutyrate on nonspecific humoral defense mechanisms and protection against furunculosis in pikeperch (Sander lucioperca)

Studies have shown that in both in vitro and in vivo tests, β‐hydroxy‐β‐methylbutyrate (HMB) increases the nonspecific cellular and humoral immune response and protection against diseases in animals. The present study examines the influence of HMB on nonspecific humoral defense mechanisms and protec...

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Published in:Aquaculture research 2006-02, Vol.37 (2), p.127-131
Main Authors: Siwicki, Andrzej K, Zakęś, Zdzisław, Fuller Jr, John C, Nissen, Steven, Trapkowska, Sylwia, Głąbski, Edward, Kowalska, Agata, Kazuń, Krzytof, Terech-Majewska, Elżbieta
Format: Article
Language:English
Subjects:
Aeromonas salmonicida
furunculosis
humoral immunity
Marine
pikeperch
Salmonidae
Sander lucioperca
β-hydroxy-β-methylbutyrate (HMB)
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Summary:Studies have shown that in both in vitro and in vivo tests, β‐hydroxy‐β‐methylbutyrate (HMB) increases the nonspecific cellular and humoral immune response and protection against diseases in animals. The present study examines the influence of HMB on nonspecific humoral defense mechanisms and protection against furunculosis in pikeperch (Sander lucioperca). β‐hydroxy‐β‐methylbutyrate was fed in a pelleted ration of 50 mg kg−1 feed day−1 for 4 weeks. Blood was drawn from 12 HMB‐fed and control‐fed pikeperch. The lysozyme and ceruloplasmin activities in the plasma, total immunoglobulin (Ig) levels, and total serum protein were analysed prior to and then after 2 and 4 weeks of HMB ingestion. After 4 weeks of HMB ingestion, a challenge test was performed by injecting the fish with live pathogenic Aeromonas salmonicida bacteria. β‐hydroxy‐β‐methylbutyrate at a dose of 50 mg kg−1 feed resulted in a statistically significant (P
ISSN:1355-557X
1365-2109
DOI:10.1111/j.1365-2109.2005.01407.x