Gnawing bones as enrichment for farmed blue foxes (Vulpes lagopus)
According to present acts and regulations, farmed foxes shall have a gnawing or other enrichment object in their cages.However, research on the welfare effects of gnawing objects has been scarce.We assessed physiology and health, that is weight development, urinary cortisol-creatinine ratio, serum cortisol level after Non-Alcoholic Beverages adreno