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Psychrobacter sp. 17-1 enhances growth and survival in early postlarvae of white shrimp, Penaeus vannamei Boone, 1931 (Decapoda, Penaeidae)
Franco, R.; Arenal, A.; Martin, L.; Martinez, Y.; Santiesteban, D.; Sotolongo, J.; Pimentel, E.; Carrillo, O.; Bossier, P. (2016). Psychrobacter sp. 17-1 enhances growth and survival in early postlarvae of white shrimp, Penaeus vannamei Boone, 1931 (Decapoda, Penaeidae). Crustaceana 89(13): 1467-1484. https://hdl.handle.net/10.1163/15685403-00003595
In: Crustaceana. Brill Academic Publishers: Leiden; Köln; New York; Boston. ISSN 0011-216X; e-ISSN 1568-5403, more
Peer reviewed article  

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Keywords
    Aeromonas Stanier, 1943 [WoRMS]; Crustacea [WoRMS]
    Marine
Author keywords
    Aeromonas; Crustacea; growth; probiotic; survival

Authors  Top 
  • Franco, R.
  • Arenal, A.
  • Martin, L.
  • Martinez, Y.
  • Santiesteban, D.
  • Sotolongo, J.
  • Pimentel, E.
  • Carrillo, O.
  • Bossier, P., more

Abstract
    The effects of Psychrobacter sp., isolated from the gut of shrimp Penaeus vannamei Boone, 1931, on growth, digestive enzyme activities, total protein content, osmotic stress resistance, immunity and disease resistance of postlarvae were investigated. For enzymatic activities assays whole postlarvae were homogenized. Shrimp subjected to Psychrobacter sp. treatment showed higher weight (40%) and length (5.6%) than that observed in untreated animals. Compared to the untreated control group, levels of protease and amylase activities in postlarvae, were higher in the probiotic group. Postlarvae treated with Psychrobacter sp. showed significantly increase in the survival compared to the untreated ones after osmotic stress. Nitric oxide metabolite levels and the enzymatic activities of phenoloxidase, superoxide dismutase and peroxidase from treated postlarvae were significantly higher than untreated postlarvae. Increased survival was also found after challenge with Aeromonas sp. This is the first study that demonstrates the probiotic effect of Psychrobacter sp. in P. vannamei postlarvae.

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