Evaluation of selected ultra-trace minerals in commercially available dry dog foods.

Autor:	Kim HT; Cornell University College of Veterinary Medicine, Department of Clinical Sciences, Ithaca, NY, USA, jw37@cornell.edu., Loftus JP; Cornell University College of Veterinary Medicine, Department of Clinical Sciences, Ithaca, NY, USA, jw37@cornell.edu., Gagné JW; Cornell University College of Veterinary Medicine, Department of Clinical Sciences, Ithaca, NY, USA, jw37@cornell.edu., Rutzke MA; Cornell University, College of Agriculture and Life Sciences, School of Integrative Plant Sciences, Ithaca, NY, USA., Glahn RP; Robert W. Holley Center for Agriculture and Health, Agricultural Research Service, USDA, Ithaca, NY, USA., Wakshlag JJ; Cornell University College of Veterinary Medicine, Department of Clinical Sciences, Ithaca, NY, USA, jw37@cornell.edu.
Jazyk:	angličtina
Zdroj:	Veterinary medicine (Auckland, N.Z.) [Vet Med (Auckl)] 2018 Jun 26; Vol. 9, pp. 43-51. Date of Electronic Publication: 2018 Jun 26 (Print Publication: 2018).
DOI:	10.2147/VMRR.S165890
Abstrakt:	Purpose: To evaluate the concentrations of chromium, nickel, molybdenum, silica, and aluminum in several commercially available dry dog foods and compare these with current World Health Organization's (WHO) mean human daily dietary intake. Conversion of dietary intake per megacalorie (Mcal) for both dog foods and human average intake was performed based on the National Research Council recommendation of a 2,900 kcal diet for comparative purposes to average intake and potential toxic exposure. Materials and Methods: Forty-nine over-the-counter dry foods formulated for maintenance of healthy dogs yet listed as all life stage foods were analyzed. Concentrations of the ultra-trace minerals were measured via inductively coupled plasma atomic emission and represented per Mcal for comparative purposes as it relates to common intake in dogs in comparison with humans. Results: Chromium, molybdenum, and aluminum concentrations in all of the dog foods were at levels that would be considered above average human daily consumption on a caloric basis. Nickel and silica calculated intakes per Mcal were comparable with human intake patterns, while both trace minerals displayed outliers exceeding at least twofold of the upper range of human daily intake. Conclusion: Overall, ultra-trace minerals found in dog foods were above the expected average daily intake for humans on a caloric basis. There was no evidence of potential chronic toxic exposure based on presumptive intake extrapolated from WHO published toxic intake concentrations for humans or domestic animals. The large range of silica intake from various foods (2.96-83.67 mg/1,000 kcal) may have health implications in dogs prone to silica urolithiasis. Further studies investigating the bioavailability of these ultra-trace minerals and establishing dietary ultra-trace mineral allowance would be ideal; however, based on these findings, consumption of these ultra-trace minerals in over-the-counter dry dog foods appears safe. Competing Interests: Disclosure The authors report no conflicts of interest in this work.
Databáze:	MEDLINE
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