Preference Ranking Procedure: Method Validation with Dogs

Li, Han; Wyant, Rachel; Aldrich, Greg; Koppel, Kadri

doi:10.3390/ani10040710

Cited by 3 publications

(1 citation statement)

References 12 publications

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“…Over-the-counter (OTC) dry dog foods contain lipids from plant oils (mainly corn and sunflower), and/or animals (mainly chicken), or a mixture of both. Which fat sources a manufacturer will include in a dog food will depend on several factors, such as essential fatty acid (EFA) content, effect on palatability, susceptibility to oxidation, and market price [Di Donfrancesco et al 2014, Li et al 2020]. Depending on the fat source, the feed contains different fatty acid profiles [Pavlisova et al 2016, Okomoda et al 2020].…”

Section: Chemical Compositionmentioning

confidence: 99%

Estimation of major nutrients in dry dog foods and their compliance with nutritional guidelines

Kępińska-Pacelik¹,

Biel²

2021

Acta Sci. Pol. Zootech.

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The aim of this study was to estimate complete extruded dry food for adult dogs, with a particular focus on the nutritional value with respect to current nutritional guidelines for dogs, dietary fiber fractions, the division into breed size. Dog foods were subjected to chemical analyzes to determine the content of basic nutrients and dietary fiber fractions. The material for the research consisted of 15 maintenance foods for adult dogs (five for large breed dogs, five for small breed dogs and five for all breeds dogs). All analyzed feeds met the European Pet Food Industry Federation recommended minimum recommended levels of protein and fat. Individual tested foods were characterized by different levels of dietary fiber fractions, such as acid detergent fiber (ADF), cellulose (CEL), hemicellulose (HCEL). The group of foods for small breed dogs was characterized by the lowest mean of ME (391.23 kcal per 100 g DM). A higher level of ME (393.99 kcal per 100 g DM) was observed in the group of foods for dogs of large breeds, and the highest (397.05 kcal per 100 g DM) – in the group of foods for dogs of all breeds.

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Section: Chemical Compositionmentioning

confidence: 99%

Estimation of major nutrients in dry dog foods and their compliance with nutritional guidelines

Kępińska-Pacelik¹,

Biel²

2021

Acta Sci. Pol. Zootech.

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Evaluation of a novel animal milk oligosaccharide biosimilar: macronutrient digestibility and gastrointestinal tolerance, fecal metabolites, and fecal microbiota of healthy adult dogs and in vitro genotoxicity assays

Lee

Vidal²,

Oba

et al. 2021

Journal of Animal Science

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Milk oligosaccharides (MO) are bioactive compounds in mammalian milk that provide health benefits to neonates beyond essential nutrients. GNU100, a novel animal MO biosimilar, was recently tested in vitro, with results showing beneficial shifts in microbiota and increased short-chain fatty acid (SCFA) production, but other effects of GNU100 were unknown. Three studies were conducted to evaluate the safety, palatability, and gastrointestinal (GI) tolerance of GNU100. In study 1, the mutagenic potential of GNU100 was tested using a bacterial reverse mutation assay and a mammalian cell micronucleus test. In study 2, palatability was assessed by comparing diets containing 0% vs. 1% GNU100 in 20 adult dogs. In study 3, 32 adult dogs were used in a completely randomized design to assess the safety and GI tolerance of GNU100 and explore utility. Following a 2-wk baseline, dogs were assigned to one of four treatments and fed for 26 wk: 0%, 0.5%, 1%, and 1.5% GNU100. On weeks 2, 4, and 26, fresh fecal samples were collected to measure stool quality, immunoglobulin A, and calprotectin, and blood samples were collected to measure serum chemistry, inflammatory markers, and hematology. On weeks 2 and 4, fresh fecal samples were collected to measure metabolites and microbiota. On week 4, total feces were collected to assess apparent total tract macronutrient digestibility. Although revertant numbers were greater compared with the solvent control in tester strain WP2uvrA(pKM101) in the presence of metabolic activation (S9) in the initial experiment, they remained below the threshold for a positive mutagenic response in follow-up confirmatory tests, supporting that GNU100 is not mutagenic. Similarly, no cytotoxicity or chromosome damage was observed in the cell micronucleus test. The palatability test showed that 1% GNU100 was strongly preferred (P < 0.05; 3.6:1 consumption ratio) over the control. In study 3, all dogs were healthy and had no signs of GI intolerance or illness. All diets were well accepted, and food intake, fecal characteristics, metabolite concentrations, and macronutrient digestibilities were not altered. GNU100 modulated fecal microbiota, increasing evenness and Catenibacterium, Megamonas, and Prevotella (SCFA producers) and reducing Collinsella. Overall, the results suggest that GNU100 is palatable and well-tolerated, causes no genotoxicity or adverse effects on health, and beneficially shifts the fecal microbiota, supporting the safety of GNU100 for the inclusion in canine diets.

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Measuring palatability of pet food products: Sensory components, evaluations, challenges, and opportunities

Calderón,

White,

Seo

2024

Journal of Food Science

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The pet food industry is a growing business launching a variety of new products in the market. The acceptability or preference of pet food samples has traditionally been measured using either one‐bowl or two‐bowl tests. Academic researchers and professionals in the pet food industry have explored other methods, including the cognitive palatability assessment protocols and the ranking test, to evaluate more than two samples. A variety of approaches and perspectives were also utilized to predict palatability and key sensory attributes of pet foods, including descriptive sensory analysis by human‐trained panelists and pet food caregivers’ perceptions of pet food. This review article examined a range of testing methods for evaluating the palatability of pet foods, specifically targeting products for dogs and/or cats. It outlined the advantages and disadvantages of each method. Additionally, the review provided in‐depth insights into the key sensory attributes of pet foods and the methodologies for assessing palatability. It also explored pets’ behavioral responses and facial expressions in relation to different pet foods. Furthermore, this review discussed current challenges and future opportunities in pet food development, including the use of instrumental analyses and artificial intelligence–based approaches.

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Preference Ranking Procedure: Method Validation with Dogs

Cited by 3 publications

References 12 publications

Estimation of major nutrients in dry dog foods and their compliance with nutritional guidelines

Estimation of major nutrients in dry dog foods and their compliance with nutritional guidelines

Evaluation of a novel animal milk oligosaccharide biosimilar: macronutrient digestibility and gastrointestinal tolerance, fecal metabolites, and fecal microbiota of healthy adult dogs and in vitro genotoxicity assays

Measuring palatability of pet food products: Sensory components, evaluations, challenges, and opportunities

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