At best, the failure to separate different kinds of dry pet food products can cause buyers to doubt the manufacturer's quality controls and turn to a rival brand. At worst, a dog or cat with food allergies might be harmed by consuming a food-type not listed in the product's ingredients.
The risk of cross-contamination is greatest when processing lines switch from one product batch or recipe to another. For this reason, some processors take the precaution of dumping the remnants of one kibble batch before switching to the next. Others simply hope for the best, thinking there's nothing much they can do about this. Neither approach is ideal, of course. For one thing, the habit of regularly discarding kibbles, sometimes in great quantities, is a costly waste of saleable stock. For another, the fast-spreading premiumization of the pet food market means that shoppers are becoming less willing to accept products which are visibly imperfect. And for another, something can now be done about this.
In fact, everything can be done about this: in the last couple of years, TOMRA Food, the world-leading manufacturer of optical sorting machines, has introduced to the pet food industry a new and totally effective solution to the problem of cross-contamination. This solution is Biometric Signature Identification (BSI) technology, originally designed and developed to ensure the safety and quality of foods for human consumption.
TOMRA's BSI+ scanner is uniquely capable of 'seeing' the biometric characteristics of all objects in the product stream, enabling the sorting machine to detect and eject unwanted materials even if they are identical to acceptable kibbles in size, shape, and color. This means it is now possible to prevent every single piece of unwanted kibble from getting to the end of the processing line.
The BSI+ scanner's sorting platform is also capable of detecting and ejecting foreign materials from the product stream. This is essential, because the biscuits residue used as an ingredient in dry kibble can too easily be mixed-up with fragments of plastic or cardboard from wrappers and boxes. And it doesn't matter whether it's cross-contaminated product or foreign material - if a pet food buyer finds either in their bag of kibble, they're likely to switch to another brand.
So now it's possible to guard against both threats, foreign material and cross-contamination - and without having to throw away saleable product
Written by Lars Povlsen - Sales Manager Petfood
Source: All Pet Food
You could be interested: Tomra Food Starts working with the Renderers of Pet Food Ingredients
Grinding
Events
IBERZOO PROPET
11 to 13 March, 2026
Madrid, España
https://www.ifema.es/iberzoo-propet
Simposio CS Petfood & Aquafeed
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Pilar, Buenos Aires, Argentina
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PET FOOD FORUM KANSAS
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Kansas City, Missouri, USA
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interpack
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Smart Pet Food Production
11 May, 2026
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FENAGRA 2026
12 to 14 May, 2026
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São Paulo Expo, Brasil
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EXPO PACK México 2026
02 to 05 June, 2026
Ciudad de México, CDMX.
https://www.expopackmexico.com.mx/
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Utrecht, Países Bajos
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02 to 04 June, 2026
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Foro Mascotas 2026
24 to 26 June, 2026
Expo Guadalajara, Mexico
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Pet South America 2026
12 to 14 August, 2026
São Paulo Expo, Brazil
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Pet Fair Asia 2026
19 to 23 August, 2026
Shanghai, China
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CIPAL 2026
23 to 24 September, 2026
Buenos Aires, Argentina
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07 to 10 October, 2026
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15 to 16 October, 2026
Porto Alegre, Brazil
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FIGAP 2026
21 to 23 October, 2026
Guadalajara, Jalisco, Mexico
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Pet Fair South East Asia
28 to 30 October, 2026
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