Total Reports
11
FDA CVM filings
Cattle /
FDA CVM · 2025 release 11 reports on file
Nelore - FDA Adverse Event Profile
Adverse-event records for Nelore (Cattle) from the FDA Center for Veterinary Medicine.
Data updated June 2026
The record at a glance
Among cattle breeds, Nelore is #429 by FDA report volume; 18.2% of its 11 reports (2) were death-coded.
- #429
- most-reported cattle breed
- 18.2%
- death-coded report share
- 5
- Overdose - top reaction
- 2.1 yr
- average age at report
Read report counts next to breed popularity: a bigger number often just means more owners and more vet visits.
Deaths Reported
2
of 11 reports
Death Rate
18.2%
death-coded share
Avg Age at Report
2.1 yr
225.3 kg avg weight
Death-Coded Outcome Share
Nelore death-coded reports 18.2%
Cross-breed median
18.2% of 11 nelore 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 (about 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: 225.3 kg (496.8 lbs)
Top Reported Reactions
Overdose 5
Lack of efficacy (tick) 4
INEFFECTIVE, GRUBS 4
Death 2
Lack of efficacy (ectoparasite) - NOS 2
Most Referenced Drugs
Ivermectin 10 Mg/Ml Solution For Injection 8
Eprinomectin 1
Ivermectin(1%)/Clorsulon(10%) Injection 1
Eprinomectin 5% Injection 1
Outcome Breakdown
Outcome Unknown
7 (63.6%)
Died
2 (18.2%)
Recovered/Normal
2 (18.2%)
Gender Distribution
Male 4 (36.4%)
Female 4 (36.4%)
Unknown 2 (18.2%)
Mixed 1 (9.1%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2014 | 1 | |
| 2015 | 1 | |
| 2016 | 2 | |
| 2017 | 3 | |
| 2018 | 4 | |
Nelore Pet Health Insights
Nelore accounts for 11 FDA adverse event reports, ranking #429 by volume among cattle breeds, with 2 reports (18.2%) coded as a death outcome. Mean age at report: 2.1 years, average weight 225.3 kg (496.8 lbs).
Top reported signs: Overdose (5), Lack of efficacy (tick) (4), INEFFECTIVE, GRUBS (4). Most-referenced drug: Ivermectin 10 Mg/Ml Solution For Injection (8 reports), followed by Eprinomectin (1) and Ivermectin(1%)/Clorsulon(10%) Injection (1).
Outcome coding on 11 status-recorded reports is dominated by Outcome Unknown (63.6%). Annual submissions ranged 2,014-2,018 across 5 years on file.
Cattle Breeds With a Similar Report Volume
Frequently Asked Questions
How many FDA adverse event reports involve Nelore? ▼
There are 11 adverse event reports involving Nelore in the FDA database, with 2 reports involving death (18.2% death rate). Nelore ranks #429 by report volume.
What are the most common adverse reactions reported for Nelore? ▼
The most commonly reported adverse reactions for Nelore are Overdose (5 reports), Lack of efficacy (tick) (4 reports), INEFFECTIVE, GRUBS (4 reports), Death (2 reports), Lack of efficacy (ectoparasite) - NOS (2 reports).
What drugs are most frequently associated with Nelore adverse events? ▼
The drugs most frequently referenced in Nelore adverse event reports are Ivermectin 10 Mg/Ml Solution For Injection (8 reports), Eprinomectin (1 reports), Ivermectin(1%)/Clorsulon(10%) Injection (1 reports), Eprinomectin 5% Injection (1 reports).
What is the average age of Nelore in adverse event reports? ▼
The average age of Nelore at the time of adverse event reports is 2.1 years, with an average weight of 225.3 kg (496.8 lbs).
Does a high number of adverse event reports mean Nelore is unhealthy? ▼
No. FDA adverse event reports are voluntarily submitted and do not prove causation. Popular breeds with more veterinary visits tend to have more reports. The data reflects reporting patterns, not actual incidence rates. Always consult a veterinarian for health decisions.
Where does this Nelore safety data come from? ▼
All data comes from the FDA Center for Veterinary Medicine's adverse event reporting system. Pet owners, veterinarians, and manufacturers voluntarily submit reports about adverse events potentially linked to animal drugs and other products.
Compare a breed's report volume against how common the breed is before drawing conclusions. See our methodology for how death rate and rankings are computed.
Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. Breed figures are computed directly from FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.