Callipyge Genetics, LLC has commercialized a genomic certification program — branded Tenet® — that identifies cattle carrying the genetic markers associated with the highest measurable level of beef tenderness, defined by a Warner-Bratzler Shear Force (WBSF) value of ≤4.0 kg. Company President Frank Hendrix first isolated the underlying genetic basis for peak tenderness in 2018, and the platform is now available to seedstock producers and commercial cow-calf operators across the U.S. and Canada.
The Science Behind the Cert
The Tenet® test extracts DNA from a few drops of blood or a small tissue sample and screens for proprietary genetic markers linked to the tenderness phenotype. If the national beef tenderness average sits at roughly 3 on a 10-point scale, Tenet®-certified animals score a 10 — a difference that trained taste panels can detect with less than one kilogram of pressure differential. Critically, the trait is independent of marbling: recent taste-panel research found that assessors could not reliably distinguish Select, Choice, and Prime cuts cooked identically, underscoring that intramuscular fat — the basis of USDA's grading system, introduced in the early 1960s — is not a reliable proxy for eating quality. Tenderness is highly heritable, and Hendrix estimates that between 5% and 15% of the current American cattle herd already carry Tenet®-level genetics. Because heritability is high, an average herd can reach the Tenet® standard in two generations using certified Tenet® AI sires or certified bulls.
Supply Chain and Value-Add Economics
The economics of the certification are straightforward for ingredient-side and protein-procurement buyers to model. A single Tenet® certification test is priced at $26 per animal; agricultural economists consulted by Callipyge estimate the certified status is worth $600 to $1,000 per head in a value-added marketing channel — a return multiple that rivals most input-side quality premiums in the beef supply chain. Callipyge has established a subsidiary branded entity, Certified Tenet® Beef, LLC, designed to coordinate certified animals with grass-finished producers or conventional feeders willing to pay for differentiated quality, linking supply to companies marketing both nationally and locally. The program is non-GMO by design: Tenet® is a naturally occurring phenotype present in all Bos taurus breeds, including Wagyu, and in crossbreds, with no genetic modification involved.
From a sustainability and supply-chain efficiency standpoint, identifying Tenet® animals earlier in the production cycle reduces the need for extended feeding periods and ultra-heavy finished weights, which translates to measurable reductions in unnecessary fat trim and manure output — both relevant metrics for processors tracking environmental footprint and yield efficiency. Consumer dissatisfaction with beef tenderness runs at 23% across commercially raised product, and reached 66% in the 2015 USDA survey of grass-fed beef consumers — two data points that give retail and foodservice protein buyers a clear commercial rationale for sourcing against a certified tenderness specification rather than relying solely on USDA quality grade.
For protein ingredient formulators and co-manufacturers sourcing beef inputs — whether for fully cooked entrées, heat-and-eat formats, or further-processed applications — a certified WBSF floor on raw material is a meaningful upstream specification. It functions similarly to a clean-label or non-GMO input claim in that it provides a traceable, third-party-verifiable attribute that can be carried through to finished-product marketing. Buyers in the beef protein and functional protein segments should note that Tenet® certification travels with the carcass, meaning the quality attribute is not cut- or trim-specific but applies to the whole carcass — a supply-chain advantage for operations that need consistent tenderness across multiple primal cuts or SKUs.
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.
