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Breed profile · FDA CVM July 2026 extract

Texas Longhorn adverse-event record

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

#457 of 510
by report volume (all breeds)
8
FDA CVM reports on file
12.5%
death-coded share of reports
1
Death - top reaction

How the 8 reports break down

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

Annual report volume

Annual adverse-event report trend Yearly FDA CVM adverse-event report counts for this breed. 2 1.5 1 0.5 0 2010 2012 2013 2018 2019 2022 2023 Reports filed Death-coded reports
Annual report volume for Texas Longhorn drawn from FDA CVM filings.

Data updated September 2026

The verdict

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Texas Longhorn ranks #449 of 510 by total reports (8). 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)
#449
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. Texas Longhorn has 8 reports now versus 8 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 Texas Longhorn changes

Total Reports

8

Low report volume

Deaths Reported

1

of 8 reports

Death-coded share of reports

12.5%

12.5% death-coded

Avg Age at Report

1.2 yr

249.5 kg avg weight

Death-Coded Outcome Share

Texas Longhorn death-coded reports 12.5%
Cross-breed median

12.5% of 8 texas longhorn 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: 249.5 kg (550.1 lbs)

Top Reported Reactions

Death 1
INEFFECTIVE, WORMS NOS 1
Diarrhoea 1
Anaphylactic-type reaction 1
Unable to stand 1

Most Referenced Drugs

Doramectin 4
Moxidectin 1
Amprolium 1
Bovine Respiratory Syncytial Virus, 597-10 10Th Psg Strain 375; Bovine Viral Dia 1
Clostridium Chauvoei, Strain F, Lot No. 2-84; Clostridium Novyi, 8296, Kb; Clost 1

Outcome Breakdown

Outcome Unknown
3 (50.0%)
Died
1 (16.7%)
Recovered/Normal
1 (16.7%)
Ongoing
1 (16.7%)

Gender Distribution

Male 4 (50.0%)
Female 3 (37.5%)
Mixed 1 (12.5%)

Reports by Year

Year Reports Trend
2010 2
2012 1
2013 1
2018 1
2019 1
2022 1
2023 1

Texas Longhorn: high death-coded share in the FDA CVM extract

Signature read: 8 reports place Texas Longhorn in the lower third of breed filing volume (#457 of 510). According to FDA CVM filings indexed on PlainBreed as of July 2026 extract, Texas Longhorn sits at #457 of 510 by report volume among all breeds and #24 of 30 among cattle breeds, with 8 reports and 1 (12.5%) death-coded. Mean age at report: 1.2 years, average weight 249.5 kg (550.1 lbs).

Top reported signs: Death (1), INEFFECTIVE, WORMS NOS (1), Diarrhoea (1). Most-referenced drug: Doramectin (4 reports), followed by Moxidectin (1) and Amprolium (1).

Outcome coding on 6 status-recorded reports is dominated by Outcome Unknown (50.0%). Annual submissions ranged 1-2,023 across 7 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 Texas Longhorn drawn from openFDA outside the Cattle family so the neighborhoods are not species containment (the similar-volume list above stays within species).

Similar average weight

Nearest other-species breeds by reported average weight (249.5 kg here).

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 Texas Longhorn?
There are 8 adverse event reports involving Texas Longhorn in the FDA database, of which 1 were death-coded (12.5% 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, Texas Longhorn ranks #457 of 510 by report volume among all breeds PlainBreed indexes (#24 of 30 among cattle breeds).
Where does Texas Longhorn sit among other breeds in PlainBreed's corpus?
According to FDA CVM report volume, Texas Longhorn is #457 of 510 breeds indexed on PlainBreed (same ordering as the most-reported-breeds ranking). Inside Cattle, it is #24 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 Texas Longhorn?
The most commonly reported adverse reactions for Texas Longhorn are Death (1 reports), INEFFECTIVE, WORMS NOS (1 reports), Diarrhoea (1 reports), Anaphylactic-type reaction (1 reports), Unable to stand (1 reports).
What drugs are most frequently associated with Texas Longhorn adverse events?
The drugs most frequently referenced in Texas Longhorn adverse event reports are Doramectin (4 reports), Moxidectin (1 reports), Amprolium (1 reports), Bovine Respiratory Syncytial Virus, 597-10 10Th Psg Strain 375; Bovine Viral Dia (1 reports), Clostridium Chauvoei, Strain F, Lot No. 2-84; Clostridium Novyi, 8296, Kb; Clost (1 reports).
What is the average age of Texas Longhorn in adverse event reports?
The average age of Texas Longhorn at the time of adverse event reports is 1.2 years, with an average weight of 249.5 kg (550.1 lbs).

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

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Texas Longhorn (Cattle), extract as of July 2026 extract. 8 reports · 1 death-coded (12.5% of reports, not a mortality rate) · #457 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 →