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Vegan versus meat-based dog food: guardian-reported health outcomes in 2,536 dogs, after controlling for canine demographic factors
Journal article   Open access   Peer reviewed

Vegan versus meat-based dog food: guardian-reported health outcomes in 2,536 dogs, after controlling for canine demographic factors

Andrew Knight, Alexander Bauer and Hazel J. Brown
Heliyon, Vol.10(17), e35578
2024
DOI: https://doi.org/10.1016/j.heliyon.2024.e35578
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Published21.12 MBDownloadView
CC BY V4.0,  Open Access

Abstract

canine Canis familiaris diet Dog dog food pet food raw meat vegan
To compare health outcomes between dogs fed meat and vegan diets, we surveyed dog 2,536 dog guardians who provided data and opinions about dogs fed conventional meat (1,370 = 54%), raw meat (830 = 33%) or vegan (336 = 13%) diets for at least one year. We examined seven general indicators of illness: increased numbers of veterinary visits, medication use, progression onto a therapeutic diet after initial maintenance on a vegan or meat-based diet, reported veterinary assessment of being unwell, reported veterinary assessment and guardian opinion of increased illness severity, and number of health disorders per unwell dog. We also considered the prevalence of 22 specific health disorders, based on reported veterinary assessments. In each dietary group the proportions of dogs considered to have suffered from health disorders were: conventional meat – 49%, raw meat – 43% and vegan – 36%. Probabilities of suffering from a disorder respectively appeared highest in dogs fed conventional meat for 11 disorders, raw meat for eight disorders, and vegan diets for three disorders. We conducted regression analyses to control for differences in medically-relevant canine demographic variables, including age, sex, neutering status, breed size and unusually high exercise levels. Dogs fed vegan diets had the best health outcomes. This trend was clear and consistent, with dogs fed vegan diets usually having substantial and statistically significant decreases in risks of these seven general indicators of illness. These ranged from 14.4% to 51.3% compared to dogs fed conventional meat-based diets. For six specific disorders, vegan diets were associated with statistically significant risk reductions of 50% to 61% compared to dogs fed conventional meat. After pooling our results with related studies published to date, vegan dog food was consistently associated with lowered risks of multiple specific health disorders. No health disorder was consistently more prevalent, in dogs fed vegan diets. [Display omitted]

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