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How Petgroot rates the pet food?



The pet food market is a multi-billion dollar business that is very difficult to navigate. Are you looking for help in choosing a quality feed? That's why the world's first independent and fully automated pet food evaluation has been created to help you navigate and choose a quality pet food for your animal.


The Objectivity


The objective evaluation of pet food is guaranteed by the use of a unique system for evaluating the quality of the raw materials in the product composition, their origin and processing, meat content, analytical data, additives used, country of origin, transparent declaration, price/rating ratio and independent laboratory verification. The methodology for calculating the overall score is based on the latest scientific studies, as described in the 'White Paper' (see below). Petgroot does not have any affiliation with any existing feed manufacturers or distributors and is not commercially advantaged by the sale of any brand or category of feed. That's why we provide 100% independent expert reviews with the sole purpose of helping users quickly navigate and choose a truly quality pet food.


How does the rating work


We have mapped the entire pet food market and created an independent assessment based on the latest scientific studies. The evaluation is fully automated without human intervention. Artificial intelligence categorises the collected data on composition and origin, either on the packaging or in the product description. Pet food evaluation compares parameters based on: composition, nutritional value, meat content, presence of additives, processing method, clear/unclear description of composition, country of origin, presence of palm oil in the product, accuracy of composition and possible laboratory verification of composition.


Rating scale


Petgroot provides simple product ratings on a scale of 0 (worst) - 100 (best).


The ratings of the proucts are as follows:

Excellent = between 75 and 100

Top rated products provide the highest quality and are recommended for your pet's healthy life.


Good = between 50 and 74

Well-rated products provide sufficient quality and are suitable for your pet's life.


Average = between 25 and 49

Average rated products do not provide sufficient quality and are therefore not suitable for long-term use.

Bad = <25

Poorly rated products are unsuitable for your animal and should be avoided.



For the evaluation of the feed itself, we use a complex algorithm that calculates the suitability and quality of each ingredient used in the feed according to its usefulness, together with other available data about the feed such as processing method, meat content, analytical data, additives used, country of origin, transparent declarations with possible penalties for unfair practices, price/rating ratio and independent laboratory verification.


Nutritious and health-promoting ingredients increase the rating of a feed, while synthetic substances, fillers and controversial ingredients decrease the rating. Too few or too many of certain ingredients have a negative effect on the rating of a dog food. This system excludes personal preferences and guarantees complete impartiality of the evaluation. All data is taken from manufacturers and retailers. If there is any ambiguity, we consider the data provided on the manufacturer's website to be the most relevant data source. The evaluation process itself is fully automated (no human intervention), in other words, it "measures the same for everyone".


There is a huge variety of different quality feeds on the market. Feed has a great impact on the health and overall well-being of your animal. An experienced and knowledgeable breeder usually has an advantage, stemming from years of experience and knowledge of the composition and effect of the individual ingredients on his animal. The average novice pet owner, however, does not have this knowledge and often succumbs to the pressure of marketing, which may not match reality at all, and the food purchased - although with the best of intentions - can have a very bad effect on the animal. Our comprehensive feed assessment, which takes into account the most important scientific findings in this field, helps every consumer to quickly find their way around and choose a quality feed for their pet.



How to choose the best quality kibble?


In the case of pellets, apart from the basic parameters, the processing method also plays an important role, which has an impact on the overall assessment. What are the main types of granule processing and what happens to the raw materials during production?


Extruded kibble

All the raw materials are ground into a fine powder and passed through a machine called an extruder. There, at pressures higher than atmospheric and at temperatures exceeding 130° at certain stages

C, the process of combining all the raw materials into granules takes place. The granules are then injected with vitamins, minerals and possibly flavourings, as the natural ones usually disappear during production. Finally, the granules are cooled and packaged. There are of course many types of extruders and depending on which one is used for production, the subsequent granules absorb more or less liquid and swell in the dog's stomach, which can put a strain on his digestion. This leads to increased flatulence.


Baked kibble

All ingredients are coarsely ground and kneaded into a dough. The dough is poured into a mould and passed through a baking process in a hot-air oven at a temperature not exceeding 90 °C. Finally, the granules are cooled and wrapped. Once the granules reach the stomach, they break down into their basic ingredients and do not unnecessarily burden the digestion. Baked pellets do not swell. As it is a much slower production process than extrusion, it is not as commercially interesting and only a few manufacturers worldwide are involved in it. It is therefore an alternative production method.


Cold-pressed kibble

Cold-pressed kibble are processed in a gentle way, at temperatures not exceeding 39.9°C, thanks to which they retain the maximum of vitamins, minerals and nutrients from the raw materials. All ingredients are mixed, a binder is added and pressed through the tubular ends of the pressing machine. The resulting granules are then dried. Finally, the granules are cooled and packaged. This is also a very slow production process, which is why the price of such granules is usually slightly higher.


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