Blood Vitamin Concentrations in Managed Hermann's Tortoises ( <scp> <i>Testudo hermanni</i> </scp> ) in Central Europe and Possible Seasonal and Sex‐Specific Influences

The established reference intervals serve as a basis for health monitoring and for further studies on possible deficiencies or oversupply and their clinical significance. In addition, it was shown that the season of sample collection and the sex should be considered when interpreting blood vitamin levels in tortoises.