Knight Andrew, Bauer Alexander, Brown Hazel J
School of Veterinary Medicine, College of Environmental and Life Sciences, Murdoch University, 90 South St., Murdoch, WA 6150, Australia.
School of Environment and Science, Nathan Campus, Griffith University, 170 Kessels Rd, Nathan, QLD, 4111, Australia.
Heliyon. 2024 Aug 5;10(17):e35578. doi: 10.1016/j.heliyon.2024.e35578. eCollection 2024 Sep 15.
To compare health outcomes between dogs fed meat and vegan diets, we surveyed 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 %-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.
为比较喂食肉类和纯素饮食的犬只的健康状况，我们对2536位犬主进行了调查，这些犬主提供了关于至少已喂食传统肉类（1370只 = 54%）、生肉（830只 = 33%）或纯素（336只 = 13%）饮食一年的犬只的数据和看法。我们检查了七个疾病总体指标：兽医诊疗次数增加、用药情况、在以纯素或肉类为基础的饮食进行初始维持后转为治疗性饮食的情况、报告的兽医评估为不适、报告的兽医评估和犬主认为疾病严重程度增加的情况，以及每只不适犬的健康问题数量。我们还根据报告的兽医评估考虑了22种特定健康问题的患病率。在每个饮食组中，被认为患有健康问题的犬只比例分别为：传统肉类组 - 49%，生肉组 - 43%，纯素组 - 36%。在11种疾病中，喂食传统肉类的犬只患疾病的概率最高；在8种疾病中，喂食生肉的犬只概率最高；在3种疾病中，喂食纯素饮食的犬只概率最高。我们进行了回归分析，以控制与医学相关的犬类人口统计学变量的差异，包括年龄、性别、绝育状态、品种大小和异常高的运动水平。喂食纯素饮食的犬只健康状况最佳。这一趋势清晰且一致，喂食纯素饮食的犬只在这七个疾病总体指标方面的风险通常会大幅且有统计学意义地降低。与喂食传统肉类饮食的犬只相比，降低幅度在14.4%至51.3%之间。对于六种特定疾病，与喂食传统肉类的犬只相比，纯素饮食与统计学意义上显著降低50%-61%的风险相关。将我们的结果与迄今发表的相关研究汇总后，纯素狗粮始终与降低多种特定健康问题的风险相关。没有健康问题在喂食纯素饮食的犬只中始终更为普遍。
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