Fullblood Wagyu farms and ranches

The American Wagyu Association’s specification, hosted by USDA for approved branded programs, sets the bar at 100 percent Wagyu, registered and DNA parent-verified to both sire and dam. Purebred is the neighbouring tier at a minimum of 93.75 percent, on the same registration and verification requirements. The two are separate program terms and this directory keeps them apart. The full breed-status ladder sets out where each one sits.

The scope matters as much as the number. That specification governs the branded programs that adopt it; it does not police the word everywhere it is printed. So the honest form of the question is not whether a ranch says fullblood but which standard supports the usage, and that is what a registration answers.

Every producer on this page describes a fullblood herd in its own current material. That is a claim the ranch is making about its own cattle, and it is worth something: it is specific, it is checkable, and most of the supply chain never gets that far. 16 of the 33 also have an American Wagyu Association registration on record here, which is a third party agreeing rather than the ranch asserting.

The remainder is not a red flag and should not be read as one. We record a registration only where the producer publishes one we could read first-hand, so a blank means we found nothing to cite rather than that nothing exists. It is shown as its own fact on each card instead of being folded into the breed status, because collapsing the two would turn an absence of evidence into an accusation.

Membership is the curated breed statusrecorded for each producer during verification, read from the ranch’s own first-party material. It is never a text match against a summary, and the reason is on the sibling pillar: the word fullblood appears in a published retailer record inside the phrase “does not name breed percentage,” which a keyword search would have read as a positive.

30 of the 33 producers here have cleared the full provenance standard and lead the page; the rest are grouped below them and carry no authenticity badge. Published is not verified, and the two groups are never summed into one number.