Guest Columns

Perspective:
Dairy Nutrition

The next dairy frontier: unleashing power, value of the whey stream

Julien Biolley

Julien Biolley is director of business development and marketing, food and beverage, at Milwaukee-based Novonesis Inc. Biolley has served in the dairy industry in Europe and North America for more than 15 years and is a guest columnist for this week’s Cheese Market News®

Over the past few weeks, gold prices have reached new highs. Investors look to those prices for stability when markets feel uncertain. It made me think about dairy. We may not trade on global exchanges with the same visibility as precious metals, but we also have an asset whose value rises when traditional margins tighten.

That asset is the whey stream.

Cheesemakers today are navigating a tough environment: high milk volumes, softer consumer sentiment and declining returns on commodity cheese. Yet at the same time, demand for specialty whey proteins — whey protein concentrate (WPC), whey protein isolate (WPI), hydrolysates and emerging peptide fractions — is surging. These ingredients power fast-growing categories like sports nutrition, healthy aging, metabolic health and specialized medical formulations. In some cases, specialty whey proteins are reaching their own “record highs” while cheese markets soften.

“Whey is becoming the quiet reserve of value in a volatile dairy world.”

If this is true, then the real opportunity for the industry is not to make more cheese — it’s to make cheese, and whey, more intelligently.

Smarter cheesemaking begins with how we think about the vat. For decades, we optimized around volume and efficiency. Those fundamentals still matter, but the next stage of competitiveness lies in precision: improving yields, reducing defects and safeguarding the functional quality of whey so it can meet the needs of higher-value nutrition markets.

Rennet is a good example. It is often treated as a simple input, but its performance plays a major role in curd structure, cutting behavior and the amount of protein lost into the whey. Small improvements here — fewer fines, cleaner separation, more predictable and consistent firmness — create gains in both cheese yield and whey quality. When we get the coagulation process right, the entire value stream strengthens.

Cultures also bring a similar kind of leverage. Milk composition changes with seasons, feed and weather.

Variability shows up in solids, fat, protein and even mineral balance despite the standardization process.

Controlling the acidification process helps cheesemakers stay consistent through these fluctuations. Having greater consistency during the fermentation of the cheese minimizes off-flavors and supports a more reliable make process. This consistency isn’t just operational — it’s financial.

“In a margin-squeezed environment, consistency becomes a form of resilience.”

As cheese moves forward in the process, the whey that remains is increasingly a platform for innovation. Enzymes now allow us to create targeted hydrolysates and peptides with specific nutritional or functional benefits. These ingredients tap into markets that are growing far faster than traditional dairy categories. They also allow cheesemakers to generate value without expanding herds or building new plants. This is value created through science rather than scale, and it opens a new lane of opportunity for the industry.

What emerges from this shift is a different way of viewing a cheese plant. The traditional mindset is that cheese is the main product, and whey is the byproduct. Today, the economics are moving toward a dual-value model — cheese as the foundation of volume and market presence, and whey as the engine of incremental margin and future growth for those who harness its potential. When coagulants, cultures and enzymes are used with intention, both streams get stronger. And the dairy industry becomes better at capturing the value that is already in the milk.

Cycles will continue. Markets will rise and fall. But the industry is not simply at the mercy of those cycles. We have tools that allow us to extract more from what we already produce, to transform variability into stability and to convert biological complexity into commercial opportunity.

“The future won’t be defined by how much milk we make, but by how intelligently we transform it.”

Gold may dominate financial headlines for now. Whey will never draw that kind of attention. But for dairy, its growing value is reshaping our possibilities. Smarter cheesemaking — supported by better biological tools — can turn pressure into progress and help build a more resilient dairy sector for the years ahead.

CMN

The views expressed by CMN’s guest columnists are their own opinions and do not necessarily reflect those of Cheese Market News®.

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