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Fig. 3 | BMC Research Notes

Fig. 3

From: The effect of diet on serum 25-hydroxyvitamin D concentrations in dogs

Fig. 3

Box and whiskers plot of serum 25(OH)D concentrations in dogs by dietary supplementation status. 214 dogs did not receive a supplement. The supplements used were salmon oil (n = 22), fish oil (n = 61), and fortified dog biscuits (n = 23). Open circles represent outliers that are more than 2.5 standard deviations from the group. Significantly different groups are represented by asterisk

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