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Hoskins, A., Thompson, D. & Mitchell, M. A. (2022) Effects of Artificial Ultraviolet B Radiation on Plasma 25-Hydroxyvitamin D3 Concentrations in Juvenile Blanding’s Turtles (Emydoidea blandingii). Journal of Herpetological Medicine and Surgery, 
Added by: Sarina (29 Jul 2022 10:29:16 UTC)   Last edited by: Sarina (29 Jul 2022 14:43:26 UTC)
Resource type: Journal Article
DOI: 10.5818/JHMS-D-21-00039
ID no. (ISBN etc.): 1529-9651
BibTeX citation key: Hoskins2022
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Categories: Englisch = English
Keywords: Schildkröten = Turtles, Ultraviolett = Ultraviolet, UVBreitband = UVBroadband, Vitamin D = Vitamin D
Creators: Hoskins, Mitchell, Thompson
Collection: Journal of Herpetological Medicine and Surgery
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Popularity index: 12%
{Vitamin D is an essential hormone that can be acquired via the diet, exposure to ultraviolet B (UVB) radiation, or a combination of both. Studies in reptiles suggest that the acquisition of vitamin D can vary between species; thus, species-specific evidence-based research should be pursued to develop appropriate husbandry recommendations. The objective of this study was to determine whether artificial UVB could be used to increase circulating 25-hydroxyvitamin D3 (25-OHD3) concentrations in juvenile Blanding’s turtles (Emydoidea blandingii). Sixteen juvenile turtles from an on-going headstart program at the DuPage County Forest Preservation District (Wheaton, IL, USA) were used for this study. The turtles were randomly divided into two groups of eight using a random number generator. The treatment group was exposed to three compact UVB fluorescent bulbs (23 watts) 12 hours/day for 6 months, while the control group was not provided supplemental UVB lighting. Bulbs were placed 15.2 cm (6 inches) from the water surface. A radiometer was used to measure UVB radiation 15.2 cm from the bulb surface on days 0 and 180. Blood samples were collected at a single time point (day 180) to measure 25-OHD3 concentrations. There was a significant difference (P < 0.001) in plasma 25-OHD3 concentrations between groups, with 25-OHD3 concentrations being 5.5 times higher in the UVB group compared with the controls. Based on the results of this study, the authors recommend exposing juvenile Blanding’s turtles to artificial UVB as part of their standard care.}
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