FN Archimer Export Format
PT J
TI Biological, physiological, immunological and nutritional assessment of farm-reared Litopenaeus stylirostris shrimp affected or unaffected by vibriosis
BT 
AF MUGNIER, Chantal
   JUSTOU, Carole
   LEMONNIER, Hugues
   PATROIS, Jacques
   ANSQUER, Dominique
   GOARANT, Cyrille
   LE COZ, Jean-Rene
AS 1:1;2:1;3:1;4:1;5:1;6:2;7:3;
FF 1:PDG-RBE-LEADNC;2:PDG-RBE-LEADNC;3:PDG-RBE-LEADNC;4:PDG-RBE-LEADNC;5:PDG-RBE-LEADNC;6:;7:PDG-RBE-PFOM-PI;
C1 IFREMER LEAD, Noumea 98846, New Caledonia.
   Inst Pasteur Nouvelle Caledonie, Noumea, New Caledonia.
   IFREMER, UMR Physiol & Ecophysiol Mollusques Marins, F-292800 Plouzane, France.
C2 IFREMER, FRANCE
   INST PASTEUR, FRANCE
   IFREMER, FRANCE
SI NOUMEA
   SAINT VINCENT
   BREST
SE PDG-RBE-LEADNC
   PDG-RBE-PFOM-PI
IN WOS Ifremer jusqu'en 2018
   copubli-france
IF 1.828
TC 10
UR https://archimer.ifremer.fr/doc/00176/28764/27567.pdf
LA English
DT Article
DE ;Vibriosis;Penaeid shrimp;Field survey;Physiology;Immunology;Nutritional status
AB Shrimp aquaculture in New Caledonia is subject to seasonal mortalities during grow-out due to highly virulent Vibrio nigripulchritudo (Vn). To understand the mechanisms affecting shrimp resistance and leading to significant mortality, a shrimp ecophysiology and immunology survey was conducted on two farms, the first considered as a "control" farm (HC), the second affected by the disease (DF). Mortality observed during the survey at DF started 50 days after stocking and was typical of this disease. The main observations regarding shrimp were: (a) growth was not affected by the disease and was faster in the DF than in the HC pond; (b) disease did not affect one sex more than the other, or a specific part of the population in terms of weight; (c) the physical condition of shrimp did not specifically allow us to foresee disease outbreak; (d) shrimp at late premolt stage D-2 and early postmolt stage A appeared to be at some points of the mortalities - but not continuously - the most sensitive to disease; (e) physiological, immunological and nutritional parameters of uninfected shrimp in the DF pond were altered, suggesting that environmental stress occurred just before the first mortalities; (f) data suggest that Vn-infected shrimp are more stressed than the presumed healthy shrimp. Combined with pathological and environmental knowledge gained in parallel during this survey, a conceptual model is proposed. Results suggest that an unstable environment induced conditions (i) stressful for the shrimp, increasing their susceptibility to bacterial infections and (ii) favoring the proliferation of the pathogen in the pond. The combination of these two processes could lead to significant mortality.
PY 2013
PD APR
SO Aquaculture
SN 0044-8486
PU Elsevier Science Bv
VL 388
UT 000316195600015
BP 105
EP 114
DI 10.1016/j.aquaculture.2013.01.010
ID 28764
ER

EF