For some time now, animal digestive health has been tracking the popularity seen in human nutrition. In fact, even before the pandemic had made pet owners more health conscious, a study showed that 76% of cat and dog owners believed that actively looking after their pet's digestive health was essential for their overall health.  Following its global research in 2021, BENEO was able to identify ten key drivers that cat and dog owners perceived were vital to making pet foods seem healthier. 

Ten key drivers to healthier pet food perceptions

Almost 90% of cat and dog owners said that using natural ingredients was their number one way for pet food to seem healthier to them, closely followed by using less or no preservatives and additives. Reducing fat and adding fibre were seen as strong influencers by over 80% of pet owners, and of similar importance was having recognisable ingredients on the label, that were also not genetically modified. Three quarters also wanted to know where the ingredients had been sourced from and they wanted to see a short ingredients list on pack. Interestingly, plant-based ingredients and the addition of prebiotics also made products seem healthier to over 70% of cat and dog owners. 

Digestive health becomes mainstream

With added fibre and prebiotics two of the key drivers to make a pet food seem healthier to pet owners, it is no surprise that digestive health has well and truly moved into the mainstream. In fact, 83% of dog and 84% of cat owners consider digestive health as extremely or very important. Today around 1 in 4 global new pet food products promotes a digestive health claim or prebiotic benefit on package.

 The link between a pet's digestive health and their overall health has been made by pet owners, however, not all fibres are the same. At present, a wide range of fibres can be used in dog foods. These include insoluble fibre sources such as cellulose or blends of insoluble and soluble fibres, which include sugar beet pulp and wheat bran, as well as fully soluble fibre sources such as inulin-type fructans. Based on the fibre type, they behave differently in a pet's digestive system, significantly influencing their potential digestive health benefits.

Why is prebiotic fibre important?

Dietary fibre is the indigestible part of plant material and can be soluble, insoluble or a mix of the two. Insoluble fibres can create bulking and a longer feeling of fulness, while also supporting bowel function. Soluble fibres include fermentable fibres (such as those found in sugar beet pulp) and prebiotic fibres. While both are dissolved and fermented in the colon, only prebiotic fibre sources like inulin-type fructans specifically feed healthy gut bacteria when they reach the colon. Prebiotics are 'a substrate that is selectively utilized by host microorganisms conferring a health benefit'.  Both the criteria for feeding beneficial bacteria and conferring a health benefit need to be fulfilled for an ingredient to be defined as a prebiotic. In comparison to other fermentable fibres, chicory root fibres - namely chicory inulin and oligofructose - are natural prebiotics for many animals like cats and dogs and they support a healthy microbiota along with other health benefits. 

Products masquerading as prebiotic

With almost 80% of respondents stating that 'prebiotic' on-pack communication affects their interest in buying a certain food for their pets,  this has led to some suppliers making unfounded 'prebiotic' claims for their products. In the pet food industry at present, there are a profusion of products that are being promoted as prebiotic but in fact aren't (such as fermentable fibres-containing ingredients, or even resistant starches). However, the only established prebiotics that have been scientifically proven to selectively encourage the growth of good bacteria and deliver related health benefits in humans - with corresponding evidence in pets as well - are inulin-type fructans, including BENEO's natural chicory root fibres Orafti® Inulin and Oligofructose. 



When the chicory root fibres reach the colon, they are selectively fermented by the good microbiota residing in the pets' intestine, such as bifidobacteria, and selectively stimulate their growth and proliferation. Additionally, their fermentation by selected microbiota results in the production of Short-Chain Fatty Acids (SCFAs), namely acetate, propionate, and butyrate. These fatty acids decrease the lumen pH in the gut and enhance its structure. They also strengthen the gut mucosa's barrier against pathogenic bacteria, as butyrate is the primary source of energy for the intestinal cells. 

Scientifically proven prebiotic effect

BENEO's Orafti® Inulin and Oligofructose have been studied extensively for over two decades both in human and animal nutrition, and the scientific foundation for their prebiotic effect is strong. In human nutrition, a recent systematic review with meta-analyses that applied the Cochrane methodology (considered the strongest methodology in the hierarchy of scientific evidence) and was based on intervention studies, confirmed the prebiotic effect of inulin-type fructans sourced from the chicory root.  In dogs and cats, studies have shown that the selective fermentation of chicory root fibres Orafti® Inulin and Oligofructose by specific beneficial bacteria leads to an increase in SCFA production, and  is linked with nutritional benefits for pets, that go beyond the gut. For instance, as part of their prebiotic effect and effect on digestive health, chicory root fibres support calcium and mineral absorption in dogs. ,  Further research has shown that chicory root fibres can support blood sugar management in dogs , as well as weight management in both, dogs and cats. 

Absorption of minerals and bone health

The absorption of minerals is essential to an animal's growth and bone strength. From their selective fermentation which produces SCFA, inulin-type fructans reduce the luminal pH and nurture the intestinal mucosa with butyrate, thereby allowing for additional calcium absorption in the lower gut (the colon). Studies with oligofructose have demonstrated increased mineral uptake in dogs, and among others calcium, therefore supporting bone health.   

Supporting weight and blood sugar management

Being overweight or obese are common in companion animals, and according to a 2019 report from the UK's Pet Food Manufacturers' Association, 51% of dogs and 44% of cats in the UK are classified as such.  As well as supporting a pet's intestinal health, chicory root fibres also show positive effects related to weight management in pets and blood sugar management in dogs. First studies show that including Orafti® Inulin and Oligofructose in a pet's diet can curb their appetite, improve satiety and hence decrease voluntary food intake. In doing so, chicory root fibres help to maintain the healthy condition of a pet's body. Additionally, since inulin-type fructans are non-digestible carbohydrates and dietary fibre, they do not trigger a rise in postprandial blood glucose or insulin concentrations. Hence, they support blood sugar management in dogs. What's more, studies in dogs have shown that feeding them with chicory prebiotics can allow for a lower blood sugar response after a meal ,  and this benefit can extend to a subsequent meal taken hours later, even if that meal doesn't include chicory root fibres; which is called the second meal effect. 

Support of renal health in cats

Cats are sensitive to kidney disorders as they age, and one indicator of a problem can be elevated levels of blood urea nitrogen. Typically, in healthy animals the liver produces urea to clean up the nitrogen from the blood, which then travels to the kidneys through the bloodstream, where it is then filtered and excreted in the urine. In ageing cats, this renal metabolism might become less effective and nutritional solutions, amongst other things, could be supportive. Inulin-type fructans such as Orafti® Inulin and Oligofructose have been shown to induce a shift in nitrogen metabolism, through increased nitrogen excretion via the feces ,  and decreased clearance in the urine, therefore representing a potentially valuable nutritional support for renal function. 

With owners concerned about ingredients labels and their pet's long-term health, chicory inulin-type fructans are well placed for both cat and dog food product development that delivers natural support to a pet's intestinal health. BENEO's Orafti® Inulin and Oligofructose are produced from non-GMO chicory roots, which are locally sourced from farmers close to the production sites. Processed in two state-of-the-art plants in Belgium and Chile, both of which have food and feed certification, these functional dietary fibres meet the highest safety and quality standards. They are acknowledged as feed materials in the EU  and some of them by the AAFCO in the US.  Orafti® Inulin and Oligofructose can be qualified as natural ingredients and used in both dry and wet pet foods, or in snacks. BENEO offers a customisable range of chicory prebiotics that is suitable for a wide range of life stages and animals. 

Natural, recognisable, and health-promoting ingredients are key drivers to pet food purchasing. With more and more owners making label-based choices, BENEO's chicory root fibre ingredients are valuable assets that help manufacturers deliver quality pet food products with a range of health benefits, and whose natural credentials appeal to pet parents.

For further information on BENEO and its ingredients, please visit: and or follow BENEO on Twitter: @_BENEO or LinkedIn: 

BENEO-Animal Nutrition offers a broad range of natural ingredients with nutritional benefits. The product range is comprised of vegetable proteins, digestible carbohydrates, prebiotic chicory root fibres and specialty rice ingredients. BENEO-Animal Nutrition extends BENEO´s unique expertise in human food to the world of pet food, livestock feed and aqua feed.

BENEO, a division of the Südzucker Group, employs more than 1000 people and has production units in Belgium, Chile, Germany, Italy, and the Netherlands

Source:  BENEO source references for this article are available on request


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