Callipyge Genetics, LLC has commercialised a genomic certification system it says definitively identifies the highest-tenderness tier of American beef cattle — a discovery the company's president argues could restructure how the industry grades and markets beef at every point in the supply chain.
The product, branded Tenet®, traces to a 2018 internal discovery by the Selah, Washington-based company that pinpointed the specific genetic markers underlying maximum beef tenderness. The test extracts DNA from a blood drop or tissue sample; animals that pass carry the certification for life. Frank Hendrix, president of Callipyge Genetics, places the value of that certification at between $600 and $1,000 per animal, against a test cost of $26 — a roughly 23-to-38-times return the company is using to build producer adoption.
The Grading Gap
The commercial case rests on a critique of the USDA's beef-quality grading framework, which has remained structurally unchanged since the early 1960s. Hendrix contends that the Select, Choice, and Prime tiers — all anchored to intramuscular fat, or marbling — no longer capture the quality attributes modern consumers prioritise. He cites recent trained taste-panel research in which participants could not distinguish among the three grades when identical cuts were prepared under identical cooking conditions. "Marbling is what you see. Tenderness is what you taste. Tenet® is what proves it," Hendrix said. Tenderness differences, he notes, are measurable with less than one kilogram of pressure — a threshold the conventional grading system does not assess.
USDA consumer surveys conducted from 1990 through 2022 consistently ranked beef tenderness as the top consumer concern. The same data show that buyers are dissatisfied with commercial beef tenderness roughly 23% of the time. Among grass-fed beef purchasers surveyed in 2015, the dissatisfaction rate reached 66% — a figure that underscores the difficulty of delivering consistent eating quality outside grain-finishing systems. Tenet® certification, Callipyge argues, is agnostic to finishing method: the trait is present in grain-fed, grass-finished, and Wagyu-cross animals alike, and appears across all Bos taurus breeds and crossbreds.
Supply Chain Build-Out
Callipyge estimates that between 5% and 15% of the current U.S. cattle herd already carry Tenet® genetics — a pool large enough to seed commercial volume without wholesale herd restructuring. Because tenderness is highly heritable, the company says an average herd can reach Tenet® certification standards within two generations using Tenet®-certified AI sires or bulls. A catalogue of certified AI sires is listed at tenetbeef.com, and a growing cohort of seedstock producers in the United States and Canada are offering Tenet®-certified bulls in upcoming sales.
To capture the value created upstream, Callipyge has established a subsidiary, Certified Tenet® Beef, LLC, designed to connect certified producers with both national and local marketing partners. The unit will coordinate grass-finished and conventionally fed Tenet® animals with buyers willing to pay for guaranteed tenderness, with a Warner-Bratzler Shear Force threshold of 4.0 kilograms or below used as the objective quality floor. For foodservice buyers and retail meat buyers increasingly focused on premiumisation and consumer eating-quality guarantees, the Warner-Bratzler benchmark offers a quantifiable specification that existing USDA grades cannot provide.
The environmental pitch may prove equally important to buyers navigating sustainability commitments. Tenet® genetics, Callipyge says, reduce the need for extended feeding periods and heavy carcass weights, cutting excess fat and the associated manure load — metrics that are drawing attention from protein processors integrating ESG frameworks into procurement. Whether that argument gains traction with major packers and retailers will likely determine how quickly Tenet® moves from niche certification to mainstream supply-chain specification.
Written by Michael Politz, Author of Guide to Restaurant Success: The Proven Process for Starting Any Restaurant Business From Scratch to Success (ISBN: 978-1-119-66896-1), Founder of Food & Beverage Magazine, the leading online magazine and resource in the industry. Designer of the Bluetooth logo and recognized in Entrepreneur Magazine's "Top 40 Under 40" for founding American Wholesale Floral, Politz is also the Co-founder of the Proof Awards and the CPG Awards and a partner in numerous consumer brands across the food and beverage sector.
