Cattle /
FDA CVM · 2025 release 18 reports on file

Guernsey - FDA Adverse Event Profile

Adverse-event records for Guernsey (Cattle) from the FDA Center for Veterinary Medicine.

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Annual adverse-event report trend Yearly FDA CVM adverse-event report counts for this breed. 3 2.25 1.5 0.75 0 2016 2017 2018 2019 2022 2023 2024 2025 Reports filed Death-coded reports
Annual report volume for Guernsey drawn from FDA CVM filings.

Data updated June 2026

The record at a glance

Guernsey's FDA record: #371 most-reported cattle breed, 18 total reports, 33.3% death-coded (6 reports).

#371
most-reported cattle breed
33.3%
death-coded report share
7
Injection site swelling - top reaction
1.9 yr
average age at report

Higher volume usually means a more popular breed, not a riskier one, compare against how common the breed is.

Total Reports

18

FDA CVM filings

Deaths Reported

6

of 18 reports

Death Rate

33.3%

death-coded share

Avg Age at Report

1.9 yr

254.0 kg avg weight

Death-Coded Outcome Share

Guernsey death-coded reports 33.3%
Cross-breed median

33.3% of 18 guernsey 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: 254.0 kg (560.1 lbs)

Top Reported Reactions

Injection site swelling 7
Death 4
Hives (see also Skin) 3
Fever 2
Lack of efficacy - NOS 2

Most Referenced Drugs

Ceftiofur Crystalline Free Acid 3
Sometribove 2
Dinoprost Tromethamine 2
Pegbovigrastim 2
Selenium + Vitamin E 2

Outcome Breakdown

Outcome Unknown
10 (45.5%)
Recovered/Normal
4 (18.2%)
Died
4 (18.2%)
Ongoing
2 (9.1%)
Euthanized
2 (9.1%)

Gender Distribution

Female 15 (83.3%)
Mixed 2 (11.1%)
Unknown 1 (5.6%)

Reports by Year

Year Reports Trend
2010 1
2012 1
2014 2
2015 1
2016 3
2017 2
2018 2
2019 1
2022 2
2023 1
2024 1
2025 1

Guernsey Pet Health Insights

Guernsey accounts for 18 FDA adverse event reports, ranking #371 by volume among cattle breeds, with 6 reports (33.3%) coded as a death outcome. Mean age at report: 1.9 years, average weight 254.0 kg (560.1 lbs).

Top reported signs: Injection site swelling (7), Death (4), Hives (see also Skin) (3). Most-referenced drug: Ceftiofur Crystalline Free Acid (3 reports), followed by Sometribove (2) and Dinoprost Tromethamine (2).

Outcome coding on 22 status-recorded reports is dominated by Outcome Unknown (45.5%). Annual submissions ranged 2,010-2,025 across 12 years on file.

Cattle Breeds With a Similar Report Volume

Frequently Asked Questions

How many FDA adverse event reports involve Guernsey?
There are 18 adverse event reports involving Guernsey in the FDA database, with 6 reports involving death (33.3% death rate). Guernsey ranks #371 by report volume.
What are the most common adverse reactions reported for Guernsey?
The most commonly reported adverse reactions for Guernsey are Injection site swelling (7 reports), Death (4 reports), Hives (see also Skin) (3 reports), Fever (2 reports), Lack of efficacy - NOS (2 reports).
What drugs are most frequently associated with Guernsey adverse events?
The drugs most frequently referenced in Guernsey adverse event reports are Ceftiofur Crystalline Free Acid (3 reports), Sometribove (2 reports), Dinoprost Tromethamine (2 reports), Pegbovigrastim (2 reports), Selenium + Vitamin E (2 reports).
What is the average age of Guernsey in adverse event reports?
The average age of Guernsey at the time of adverse event reports is 1.9 years, with an average weight of 254.0 kg (560.1 lbs).
Does a high number of adverse event reports mean Guernsey 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 Guernsey 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.

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.