Selenium and Dogs: A Systematic Review
Department of Animal Breeding, Animal Nutrition and Biochemistry, University of Veterinary and Pharmaceutical Sciences, 61242 Brno, Czech Republic
Department of Animal Protection and Welfare and Veterinary Public Health, University of Veterinary and Pharmaceutical Sciences, 61242 Brno, Czech Republic
Author to whom correspondence should be addressed.
Academic Editor: Dennis Jewell
Received: 28 January 2021
Revised: 1 February 2021
Accepted: 3 February 2021
Published: 6 February 2021
Selenium is a microelement which intake is essential for correct function of the metabolism. In a dog’s body, it is important, for example, for its antioxidant function, its role in thyroid metabolism, synthesis of DNA, or reproduction. It seems that it also plays an important role in prevention and treatment of cancer. While nutritional recommendations for its content in commercial dog food exist, they do not differ between types of food, such as kibble versus canned food. Home-made diets have lower content of selenium than commercial food, but selenium may have greater bioavailability from raw products than processed ones. Moreover, reference values for its levels in dog’s serum, plasma, full blood, and tissues are not very well defined.