Effects of thermal energy on extrusion characteristics, digestibility and palatability of a dry pet food for cats

Baller, Mayara Aline; Pacheco, Peterson Dante Gavasso; Vitta-Takahashi, Amanda; Putarov, Thaila Cristina; Vasconcellos, Ricardo Souza; Carciofí, Aulus Cavalieri

doi:10.1111/jpn.13606

Cited by 6 publications

(2 citation statements)

References 64 publications

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“…Increasing both the TE and flow rate while decreasing the ME (screw speed) increased productivity with the same electric energy consumption. Similar results have been demonstrated for cat kibble production in terms of kibble structure and energy efficiency [180]. This time, palatability tests resulted in a higher intake ratio for an increase in the TE/ME ratio when tested on a panel of 20 cats.…”

Section: Adapting the Process In Favor Of Palatabilitysupporting

confidence: 81%

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Insights to Study, Understand and Manage Extruded Dry Pet Food Palatability

Le Guillas,

Vanacker,

Salles

et al. 2024

Animals

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Pet food production is a fast-growing industry. While extruded dry pet food is the favored pet food due to its convenience of use, it may have poorer palatability than other pet foods such as wet pet foods. However, palatability plays a pivotal role in meeting nutritional requirements or providing therapeutic benefits in cats and dogs, as it ensures food acceptance. Thus, both academics and manufacturers conduct routine palatability tests to assess acceptance and preference of products among pets, alongside sensory analyses involving human panels. Palatability is greatly influenced by species-specific and environmental factors in cats and dogs. The review will hence present the current knowledge on palatability assessment and animal food perception; it will then aim to explore strategies for effectively managing palatability in dry pet food by examining the impact of key ingredients and process parameters on the finished product’s palatability. Moreover, the demands and needs for sustainable and healthier products as well as supply constraints present novel challenges and opportunities for academics and manufacturers.

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Section: Adapting the Process In Favor Of Palatabilitysupporting

confidence: 81%

“…However, the moisture content between the two extreme variables decreased by 10 g/kg. Cats are known to prefer drier kibbles, where dogs prefer moister kibbles [148,155], which may have induced a preference in cats in the study [180].…”

Section: Adapting the Process In Favor Of Palatabilitymentioning

confidence: 99%

Insights to Study, Understand and Manage Extruded Dry Pet Food Palatability

Le Guillas,

Vanacker,

Salles

et al. 2024

Animals

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Starch gelatinization implications for nutrient digestibility and fermentation products in the faeces of Beagle dogs

Loureiro,

Oliveira,

Peixoto

et al. 2024

Animal Feed Science and Technology

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Short-term changes in dietary fat levels and starch sources affect weight management, glucose and lipid metabolism, and gut microbiota in adult cats

Mo,

Zhang,

Wang

et al. 2023

Journal of Animal Science

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A 2 × 2 factorial randomized design was utilized to investigate the effects of fat level (8% or 16% fat on a fed basis) and starch source (pea starch or corn starch) on body weight, glycolipid metabolism, hematology and fecal microbiota in cats. The study lasted for 28 days and included a low-fat and pea starch diet (LFPS), a high-fat and pea starch diet (HFPS), a low-fat and corn starch diet (LFCS), and a high-fat and corn starch diet (HFCS). In this study, hematological analysis showed that all cats were healthy. The apparent total tract digestibility of gross energy, crude protein and crude fat were above 85% in the four diets. After 28 days, cats fed the high-fat diets (HF) gained an average of 50 g more than those fed the low-fat diets (LF). The hematological results showed that the HF diets increased the body inflammation in cats, while the LFPS group improved the glucolipid metabolism. The levels of glucose and insulin were lower in cats fed the LF diets than those in cats fed the HF diets (P < 0.05). Meanwhile, compared with the LF, the concentrations of total cholesterol, triglyceride and high-density lipoprotein cholesterol in serum were greater in the cats fed the HF diets (P < 0.05). Additionally, both fat level and starch source influenced the fecal microbiota, with the relative abundance of beneficial bacteria, such as Blautia being significantly greater in the LFPS group than in the other three groups (P < 0.05). Reducing energy density and using pea starch in foods are both valuable design additions to aid in the management of weight control and improve gut health in cats. This study highlights the importance of fat level and starch in weight management in cats.

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Effects of thermal energy on extrusion characteristics, digestibility and palatability of a dry pet food for cats

Cited by 6 publications

References 64 publications

Insights to Study, Understand and Manage Extruded Dry Pet Food Palatability

Insights to Study, Understand and Manage Extruded Dry Pet Food Palatability

Starch gelatinization implications for nutrient digestibility and fermentation products in the faeces of Beagle dogs

Short-term changes in dietary fat levels and starch sources affect weight management, glucose and lipid metabolism, and gut microbiota in adult cats

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