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Pet Food: Maximizing Protein Profitability from Rendered Meat, Poultry


Press release: TOMRA Food 

There’s money in protein. Whether it’s meat or poultry, and whether it’s processed for human consumption or rendered for pet food, it’s worth making the effort to extract every possible kilogram of saleable raw materials. But this is a business with risks.

For one thing, derived meat for rendering delivered by slaughterhouses typically contains foreign materials, and these can be so difficult to detect that they get all the way down the processing line into the final product. For another, when rendered meat and poultry are turned into dry pet food, one type of kibble can easily get cross-contaminated with another, so that packages mistakenly contain unlisted ingredients. And if potentially harmful products get into the hands of an unhappy customer with a cellphone and social media access, the retailer’s brand reputation can quickly be damaged.

These threats mean it is crucial for processors and renderers to have effective safeguards in place to protect food safety and product quality, whilst also minimizing food waste to improve sustainability and profitability. These things have always mattered, of course, but shifting consumer expectations make them more important now than ever before.

The risks and rewards of meat processing and rendering are increasing for two big reasons. One is that consumers have become far less tolerant of imperfections in the food they buy for themselves or their pets. The other is that the demand for high-quality, protein-rich foods for people and pets is growing fast.

Demand for pet food is booming. Market researchers forecast that this market’s global value will increase in the next seven years at a compound annual growth rate of almost five percent, from $94 billion in 2020 to $137 billion in 2028. What’s more, this market is being reshaped by the humanization of products that contain fresh ingredients, superfoods, and high protein – and premium products can command premium prices.

Increasing meat production is good news for processors and renderers, but there is a downside: meat and dairy production are responsible for a whopping 14 percent of global greenhouse gas emissions. This means it’s imperative to minimize food waste – not only by getting retailers and consumers into the habit of throwing away less, but also by making more efficient use of the potentially usable food in livestock.

For these reasons, rendering is an environmentally-friendly way to recycle material that would otherwise be wasted – and it also reduces the greenhouse gas emissions that would come from the natural decomposition of animal parts in compost or landfill. The National Renderers Association in the U.S.A. calculates that rendering animal tissues rather than leaving them to decompose has the same effect on greenhouse gas emissions as removing 12.2 million cars from the road.

Thanks to technical advances, there are solutions to all of these challenges. TOMRA Food, the leading manufacturer of sensor-based sorters for the food industry, offers machines that safeguard brand reputations and enhance sustainability by reducing food waste, protecting food safety, and consistently maintaining high product standards.

Modern optical sorting machines also solve the widespread problem of labor scarcity, as well as helping to eliminate the health risks inherent on processing lines – as the COVID-19 pandemic drags on – when people have to spend a long time standing close to each other. And whereas manual sorting is subjective, imperfect, and especially vulnerable to errors when laborers are tired or bored, automated sorters work from the beginning to the end of each shift with unflagging accuracy.

TOMRA’s sorters detect and eject unwanted materials from processing lines that simply cannot be seen by the human eye or inferior machines. They do this by inspecting materials according to their shape, color, structure, size, and even their biological characteristics. TOMRA also offers machines with x-ray technology to detect the presence in food of high-density foreign materials.

For additional advantages, TOMRA’s machines can be connected to TOMRA Insight, a web-based data platform that gathers sorting data in real-time and stores this securely in the cloud. Live data can be reacted to immediately (and remotely) to optimize machine settings; historical data can be used to quantify and compare the quality of materials from suppliers. Such data analysis will become increasingly valuable as we move into a digitized future, transforming sorting from an operational process into a strategic management tool.

Producing food for pets is strictly regulated by local and global legislation which is designed to ensure product quality and food safety. Complying with these regulations requires the use of safe ingredients and additives, hygienic processing practices, and HACCP (hazards analysis and critical control points) management – but even so, there is still the risk of foreign materials entering the manufacturing facility in raw materials. This is why TOMRA works closely not only with pet food manufacturers, but also with their suppliers in the rendering industry.

Important protein sources in both wet and dry pet food are animal-derived ingredients. However, entering the rendering facilities these ingredients often contain various foreign bodies which come from the abattoirs, such as rubber parts, foils, wood, glass, and metals. This is hard to avoid with an automated production line, but also mostly hard to detect with conventional methods such as metal detection and/or X-ray.

The TOMRA 5C solves this, preventing foreign materials from reaching the pet food manufacturer. This sorter often acts as the final control on the meal line: placed after the final screen, it not only detects and rejects even the smallest particle of foreign material but also sources out all the good product coming from the screen, feeding this into the good stream again. These capabilities, plus the ability to regulate the ash content to enhance the final quality, make the TOMRA 5C essential for every meal stream.

In dry pet food, foreign material isn’t the only threat – there’s also the problem of cross-contamination. And as a solution, the TOMRA Nimbus is unbeatable. This machine’s various sensors protect against foreign materials, loose and embedded, and cross-contamination – and with TOMRA’s new pet food software, the change over from one recipe to the next is like a snap of the fingers. This eliminates traditional ways of trying to avoid cross-contamination which are both time-consuming and product-consuming. TOMRA’s unique BSI+ technology checks the inside of materials, ensuring that different types of kibble don’t get mixed even if they are near-identical in outward appearance, and by using the new pet food software, the operator always has the best view on what to produce next.

For producing best-in-class pet treats and snacks, foreign materials must be prevented from ending up in the final package, and products should have the same size, form and color. For this the TOMRA 5B is the perfect solution, ensuring that only the right products get into the package.

In wet pet food, the TOMRA 5B is ideal for the inbound set-up, where incoming frozen blocks pass through either a breaker or a grinder before entering the mixer. Placed between the breaker/grinder and mixer, the TOMRA 5B effectively detects and sorts various foreign materials including stones, hard and soft plastics, metal, wood, glass, rubber and bones. In addition to protecting final products from unwanted materials, the TOMRA 5B also logs every batch, so it is possible to assess what’s coming from suppliers accurately.

TOMRA Food designs and manufactures sensor-based sorting machines and integrated post-harvest solutions for the food industry. We innovate the world’s most advanced analytical technology and apply it to grading, sorting and peeling.

Over 12,800 units are installed at food growers, packers, and processors worldwide for confectionery, fruit, dried fruit, grains and seeds, potato products, proteins, nuts, and vegetables.

The company’s mission is to enable its customers to improve returns, gain operational efficiencies, and ensure a safe food supply via innovative, useable technologies. To achieve this, TOMRA Food operates centers of excellence, regional offices, and manufacturing locations within Europe, the United States, South America, Asia, Africa and Australasia.

 

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