Mobilization of energetic reserves during starvation in juveniles of different size of the redclaw crayfish Cherax quadricarinatus
- Calvo, Natalia Soledad
- Stumpf, Liane
- Cortés Jacinto, E.
- Castillo Díaz, Fernando
- Lopez, Laura Susana
DOIAbstract
Mobilization patterns of energy reserves during starvation are highly variable among crustaceans, and understanding this process is useful to satisfy the nutritional requirements of cultured organisms. The aim of this study was to elucidate the mobilization patterns on early and advanced juveniles—first free stage and one-gram juveniles—of redclaw crayfish (Cherax quadricarinatus). A biochemical approach was used to analyse the organic carbon, total proteins, lipids and glycogen levels of the entire animal, and a histochemical approach was adopted to identify location of metabolites in the hepatopancreas and abdominal muscle. While starvation did not affect early juvenile protein levels, it showed a significant decrease in advanced juvenile...
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