Peer-reviewed veterinary case report
How well commercial weight loss diets satisfy healthy dogs and cats
By Hours, Marie Anne et al.·Published in BMC veterinary research·2016·Royal Canin Research Center, France·View original on PubMed →
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Original publication title: Comparison of voluntary food intake and palatability of commercial weight loss diets in healthy dogs and cats.
Plain-English summary
A group of healthy adult dogs and cats were tested on different commercial weight loss diets to see which ones helped them eat less while still being tasty. The study found that one dog diet (C1) led to a 42% reduction in energy intake compared to another diet (C2), but both diets were equally liked by the dogs. For cats, one diet (F1) resulted in a 17% lower energy intake than another (F2), and the cats preferred F1 over F2. These findings suggest that certain diets can help pets feel full without sacrificing flavor, which could be useful for managing obesity in pets.
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Abstract
BACKGROUND: Obesity in dogs and cats is usually managed by dietary energy restriction using a purpose-formulated weight loss diet, but signs of hunger and begging commonly occur causing poor owner compliance. Altering diet characteristics so as to reduce voluntary food intake (VFI) can improve the likelihood of success, although this should not be at the expense of palatability. The aim of the current study was to compare the VFI and palatibility of novel commercially available canine and feline weight loss diets. METHODS: The relative performance of two canine (C1 and C2) and two feline (F1 and F2) diets was assessed in groups of healthy adult dogs and cats, respectively. Diets varied in energy, protein, fibre, and fat content. To assess canine VFI, 12 (study 1) and 10 (study 2) dogs were offered food in 4 meals, for 15 min on each occasion, with hourly intervals between the meals. For feline VFI, 12 cats were offered food ad libitum for a period of 18 h per day over 5 consecutive days. The palatability studies used separate panels of 37 dogs and 30 cats, with the two diets being served, side-by-side, in identical bowls. RESULTS: In dogs, VFI was significantly less for diet C1 than diet C2 when assessed on energy intake (study 1, 42% less, P = 0.032; study 2, 28% less, P = 0.019), but there was no difference in gram weight intake (study 1: P = 0.964; study 2: P = 0.255). In cats, VFI was 17% less for diet F1 than diet F2 when assessed by energy intake (P < 0.001), but there was again no difference in gram weight (P = 0.207). There was no difference in palatability between the two canine diets (P = 0.490), whilst the panel of cats diet preferred F1 to F2 (P < 0.001). CONCLUSION: Foods with different characteristics can decrease VFI without affecting palatability in both dogs and cats. The effects seen could be due to decreased energy content, decreased fat content, increased fibre content, different fibre source, and increased protein content. Further studies are now needed to determine whether similar findings occur in obese dogs and cats on controlled weight loss programmes.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/27919269/