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Breed profile · FDA CVM July 2026 extract

Wagyu adverse-event record

Adverse-event filings for Wagyu (Cattle) in the FDA Center for Veterinary Medicine openFDA extract. Browse cattle breeds, reactions, and outcomes below.

#440 of 510
by report volume (all breeds)
10
FDA CVM reports on file
70.0%
death-coded share of reports
7
Death - top reaction

How the 10 reports break down

By recorded gender -- every report on file for Wagyu, no filtering.

Annual report volume

Annual adverse-event report trend Yearly FDA CVM adverse-event report counts for this breed. 8 6 4 2 0 2022 2023 2024 Reports filed Death-coded reports
Annual report volume for Wagyu drawn from FDA CVM filings.

Data updated September 2026

The verdict

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Wagyu ranks #434 of 510 by total reports (10). Death-coded-share rank requires at least 50 reports. National dual: Retriever - Labrador is #1 of 510 by total adverse-event reports (93,675) at death-coded-share rank 195 of 275 breeds with at least 50 reports (3.7%); separately, Atlantic Salmon (Salmo salar) is #1 highest death-coded share at 99.0% (report rank #233).

93,675
Retriever - Labrador reports (#1)
99.0%
Atlantic Salmon (Salmo salar) death share (#1)
#434
This breed, reports of 510

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Wagyu has 10 reports now versus 10 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
+0.0 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Wagyu changes

Total Reports

10

Low report volume

Deaths Reported

7

of 10 reports

Death-coded share of reports

70.0%

70.0% death-coded

Avg Age at Report

0.2 yr

122.0 kg avg weight

Death-Coded Outcome Share

Wagyu death-coded reports 70.0%
Cross-breed median

70.0% of 10 wagyu reports involved a death outcome.

How to read this number

Read alongside breed popularity, veterinary access, and owner awareness, these shape how many events ever reach the FDA. The comparison line marks the cross-breed median death-coded share (4.8%) among breeds with 50 or more reports; values above it suggest higher reporting bias toward severe outcomes, not necessarily higher true mortality.

Average weight at time of report: 122.0 kg (269.0 lbs)

Top Reported Reactions

Death 7
Lack of efficacy - NOS 5
Diarrhoea 4
Necropsy performed 3
Lateral recumbency 2

Most Referenced Drugs

Tulathromycin 7
Ceftiofur Crystalline Free Acid 2
Florfenicol Inj Sol 30% W Pg 2
Monensin Sodium 1
Eprinomectin 1

Outcome Breakdown

Died
7 (70.0%)
Outcome Unknown
2 (20.0%)
Ongoing
1 (10.0%)

Gender Distribution

Unknown 7 (70.0%)
Mixed 2 (20.0%)
Female 1 (10.0%)

Reports by Year

Year Reports Trend
2022 1
2023 8
2024 1

Wagyu: high death-coded share in the FDA CVM extract

Signature read: 10 reports place Wagyu in the lower third of breed filing volume (#440 of 510). According to FDA CVM filings indexed on PlainBreed as of July 2026 extract, Wagyu sits at #440 of 510 by report volume among all breeds and #22 of 30 among cattle breeds, with 10 reports and 7 (70.0%) death-coded. Mean age at report: 0.2 years, average weight 122.0 kg (269.0 lbs).

Top reported signs: Death (7), Lack of efficacy - NOS (5), Diarrhoea (4). Most-referenced drug: Tulathromycin (7 reports), followed by Ceftiofur Crystalline Free Acid (2) and Florfenicol Inj Sol 30% W Pg (2).

Outcome coding on 10 status-recorded reports is dominated by Died (70.0%). Annual submissions ranged 1-2,024 across 3 years on file.

Cattle Breeds With a Similar Report Volume

Showing 6 of 29 cattle breeds in our dataset, ranked by closest report volume.

Nationwide breeds with similar profiles

Sparse-volume peer sets for Wagyu drawn from openFDA outside the Cattle family so the neighborhoods are not species containment (the similar-volume list above stays within species).

What to do with this cattle

A report does not prove a drug caused the reaction, and popular breeds simply generate more reports.

Frequently Asked Questions

How many FDA adverse event reports involve Wagyu?
There are 10 adverse event reports involving Wagyu in the FDA database, of which 7 were death-coded (70.0% of those reports). That is a share of REPORTED events, not a mortality rate for the breed: adverse events reach the FDA when something goes wrong, so the denominator is reports, never the population of animals. According to the same FDA CVM extract, Wagyu ranks #440 of 510 by report volume among all breeds PlainBreed indexes (#22 of 30 among cattle breeds).
Where does Wagyu sit among other breeds in PlainBreed's corpus?
According to FDA CVM report volume, Wagyu is #440 of 510 breeds indexed on PlainBreed (same ordering as the most-reported-breeds ranking). Inside Cattle, it is #22 of 30. It has fewer than 50 reports, so it is outside the death-rate ranking cohort (≥50 reports). These are placement ranks in the reporting corpus, not clinical risk scores.
What are the most common adverse reactions reported for Wagyu?
The most commonly reported adverse reactions for Wagyu are Death (7 reports), Lack of efficacy - NOS (5 reports), Diarrhoea (4 reports), Necropsy performed (3 reports), Lateral recumbency (2 reports).
What drugs are most frequently associated with Wagyu adverse events?
The drugs most frequently referenced in Wagyu adverse event reports are Tulathromycin (7 reports), Ceftiofur Crystalline Free Acid (2 reports), Florfenicol Inj Sol 30% W Pg (2 reports), Monensin Sodium (1 reports), Eprinomectin (1 reports).
What is the average age of Wagyu in adverse event reports?
The average age of Wagyu at the time of adverse event reports is 0.2 years, with an average weight of 122.0 kg (269.0 lbs).

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Wagyu (Cattle), extract as of July 2026 extract. 10 reports · 7 death-coded (70.0% of reports, not a mortality rate) · #440 of 510 by volume.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →