WINCHESTER, UK / ACCESSWIRE / September 5, 2024 / Pet food consumes at least 9% of all livestock globally, rising to 20% in nations such as the US with high pet ownership. The environmental benefits of vegan pet diets were recently found to be game-changingly large. Most of these relate to dog food. But, can dogs be healthy without consuming meat?

Dogs are biologically omnivores, and many companies now produce vegan dog food using plant, mineral and synthetic ingredients to supply all necessary nutrients. By 2024, 10 scientific studies had demonstrated good health outcomes in dogs fed vegan or vegetarian diets, and the British Veterinary Association had endorsed nutritionally-sound vegan dog diets. Yet no studies had calculated the size of the health benefits that might occur for average dogs, after controlling for age, sex, neutering status, breed size and exercise level - all factors that can affect dog health.

In 2024 veterinary Professor Andrew Knight and two colleagues published the first study to control for all of these factors. After analysing health outcomes for 2,536 dogs, including 336 fed a vegan diet for at least one year, they found decreases in the occurrences of seven general indicators of illness. Dogs fed vegan diets were less likely to need medication, medical diets or unusually high numbers of veterinary visits, were more likely to be assessed as healthy by dog owners and their veterinarians, had lower rates of illness, and fewer cases of health disorders when they were unwell. Reductions ranged from 14% - 51% for average dogs, compared to dogs fed conventional meat-based diets. All of these differences were statistically significant, meaning they almost certainly reflected true differences rather than random variation.

Additionally, the odds of suffering from six specific health disorders fell by 50%-61% compared to dogs fed conventional meat. These included some of the most common health disorders in dogs: problems with body weight, ears, and the musculoskeletal and gastrointestinal system - which can cause conditions such as lameness and diarrhoea.

Among the 22 most common health disorders found in a 2022 study of the same dogs, 11 were most common in dogs fed conventional meat, eight in dogs fed raw meat, and three most common in dogs few vegan diets. 49% of dogs fed conventional meat were unwell, compared to 43% fed raw meat, and 36% fed vegan diets.

Stated Prof. Knight, "Dogs fed vegan diets clearly had the best health outcomes in this very large-scale study, and these results are consistent with prior studies in this field. Nutritionally-sound vegan diets offer extremely large environmental benefits, so this is very good news for dog owners who want to protect the environment whilst also maximising their dogs' health. However, care should always be taken to ensure diets are nutritionally-sound, by checking package labelling and purchasing from reputable pet food companies."

Contact Information

Andrew Knight
Veterinary Professor of Animal Welfare
andrew.knight@murdoch.edu.au

SOURCE: Prof. Andrew Knight

View the original press release on newswire.com.

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