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Solís-Solís, D. (2010). Acute corticosterone secretion associated with salinity, repeated blood sampling, physical restraining method and body mass in red-ear slider turtles (trachemys scripta elegans) from the pontchartrain basin, louisiana. Unpublished thesis , Southeastern Louisiana University, Hammond, Louisiana. 
Added by: Sarina Wunderlich (18 Nov 2012 17:47:06 UTC)
Resource type: Thesis/Dissertation
BibTeX citation key: SolsSols2010
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Categories: General
Keywords: Emydidae, Physiologie = physiology, Schildkröten = turtles + tortoises, Stress = stress, Trachemys, Trachemys scripta
Creators: Solís-Solís
Publisher: Southeastern Louisiana University (Hammond, Louisiana)
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Abstract     
The effect of salinity, physical restraining method and body mass was measured on adrenocortical responsiveness and plasma sodium concentrations of wild and captive-raised red-ear sliders (Trachemys scripta). Wild individuals were captured in Slidell and New Orleans, LA. Repeated blood samples were taken at set intervals to create corticosterone and sodium profiles. Corticosterone concentration increased significantly with restraining time; responsiveness was higher for wild individuals. For laboratory turtles, restraining method type and salinity had a significant effect on the stress response. Captive turtles subjected to saline solutions had a hypo-responsive HPA axis; high salinity also inhibited growth. Sodium concentration remained stable through time, but showed a positive correlation with salinity concentration. A positive correlation between basal stress hormone and sodium was also found. Profiles for both corticosterone and sodium were comparable to those observed in other reptile species. These results suggest that sodium has an important effect on turtle physiology.
Added by: Sarina Wunderlich  
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