Effect of salinity on the thermoregulatory behavior of juvenile blue shrimp Litopenaeus stylirostris Stimpson |
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Institution: | 1. Institute of Animal Science, Agricultural Research Organization, Rishon LeZion, Israel;2. ISEM, CIRAD, Université de Montpellier, CNRS, IRD, EPHE, Montpellier, France |
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Abstract: | Preferred temperature (PT) of juveniles of Litopenaeus stylirostris was not modified (P>0.05) by salinity. The final preferendum of juveniles was 27.8 °C.The critical thermal maxima (CTMax) determined at 42 combinations (6 temperatures×7 salinities) in blue shrimp was not affected significantly by salinity (P>0.05). We obtained a direct relationship between the CTMax and the acclimation temperature.The end point of CTMax in L. stylirostris was defined as the loss of righting response (LRR).The acclimation response ratio (ARR) for the juveniles of blue shrimp had an interval of 0.45–0.50, values that agreed with others obtained for crustaceans from tropical and sub tropical climates. |
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