Assessment of dual-energy x-ray absorptiometry for use in evaluating the effects of dietary and environmental management on Hermann's tortoises
Group 2 had the highest mean ± SD body weight (65.42 ± 30.85 g), followed by group 1 (51.08 ± 22.92 g) and group 3 (35.74 ± 7.13 g). Mean BMD of the shell varied significantly among groups (group 1, 0.05 ± 0.03 g/cm(2)•m; group 2, 0.09 ± 0.15 g/cm(2)•m; and group 3, undetectable). The BMD of the axial and appendicular skeleton, vertebral column, and pelvis did not differ significantly among groups. Pyramidal growth was highest in group 1 and not evident in group 3.
Tortoises raised in artificial conditions did not have deficits in BMD, compared with results for outdoor-housed hibernating tortoises. Supplemental calcium was apparently not necessary when an adequate photothermal habitat and plant-based diet were provided. Higher BMD of captive-raised tortoises was morphologically associated with a higher incidence of pyramidal growth in captive-raised groups.
Titel: Assessment of dual-energy x-ray absorptiometry for use in evaluating the effects of dietary and environmental management on Hermann's tortoises (Testudo hermanni).
Auteurs: Gramanzini M, Di Girolamo N, Gargiulo S, Greco A, Cocchia N, Delogu M, Rosapane I, Liuzzi R, Selleri P, Brunetti A.
Source: American Journal of Veterinary Research (2013) volume 74, issue 6