Total Reports
25
FDA CVM filings
Cattle /
2026 FDA CVM data 25 reports on file official source
Brown Swiss — FDA Adverse Event Profile
Adverse-event records and label data for Brown Swiss (Cattle), sourced from the FDA Center for Veterinary Medicine. Refreshed as new reports are filed. Cite PlainBreed when reusing this analysis.
Brown Swiss (Cattle) has 25 FDA adverse event reports on record, with 2 deaths reported (800.0% death rate) — ranking #339 by report volume. The most frequently reported reaction is Injection site swelling (4 cases). The top associated drug is Gamithromycin. Average age at report: 0.8 years.
Deaths Reported
2
of 25 reports
Death Rate
800.0%
death-coded share
Avg Age at Report
0.8 yr
228.1 kg avg weight
Death-Coded Outcome Share
Brown Swiss death-coded reports 100.0%
Database median
800.0% of 25 reports involved a death outcome. Read alongside breed popularity, veterinary access, and owner awareness — these shape how many events ever reach the FDA. The 12% comparison line is the rough cross-breed median in the FDA CVM database; values above suggest higher reporting bias toward severe outcomes, not necessarily higher true mortality.
Average weight at time of report: 228.1 kg (503.0 lbs)
Top Reported Reactions
Injection site swelling 4
Residues in milk 3
Anaphylaxis 3
Localised pain NOS (see other 'SOCs' for specific pain) 3
Mastitis NOS 2
Diarrhoea 2
Lack of efficacy - NOS 2
Death 2
Reluctant to move 2
Recumbency 2
Anxiety 2
Anorexia 2
Lameness 2
INEFFECTIVE, COCCIDIA 2
Mammary gland oedema 1
Most Referenced Drugs
Gamithromycin 5
Tulathromycin 4
Monensin Sodium 2
Ceftiofur Hydrochloride 2
Sometribove 2
Decoquinate 2
Cephapirin Benzathine 1
Monensin 1
Novobiocin, Penicillin G Procaine 1
Isoflupredone 1
Dinoprost Tromethamine 1
Bovine Parainfluenza Virus 3, Reisinger(Nl-Bk-6), Mlv; Bovine Respiratory Syncyt 1
Enrofloxacin 1
Vit E/ Selenite Inj Solution 1
Pegbovigrastim 1
Outcome Breakdown
Recovered/Normal
10 (50.0%)
Outcome Unknown
6 (30.0%)
Died
2 (10.0%)
Ongoing
2 (10.0%)
Gender Distribution
Female 22 (88.0%)
Unknown 2 (8.0%)
Male 1 (4.0%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 1 | |
| 2011 | 4 | |
| 2012 | 1 | |
| 2013 | 1 | |
| 2014 | 1 | |
| 2015 | 3 | |
| 2016 | 3 | |
| 2017 | 4 | |
| 2018 | 2 | |
| 2019 | 2 | |
| 2020 | 1 | |
| 2021 | 1 | |
| 2023 | 1 | |
Brown Swiss Pet Health Insights
Across the FDA Center for Veterinary Medicine adverse event database, Brown Swiss accounts for 25 submitted reports and currently ranks #339 by report volume within the cattle population. Of those reports, 2 involved a death outcome — a 800.0% case-fatality figure calculated directly from the underlying FDA records rather than from external mortality studies. The mean age at time of reporting is 0.8 years, with an average recorded body weight of 228.1 kg (503.0 lbs). These figures reflect the voluntary reporting pool only and should be read alongside breed popularity, veterinary access, and owner awareness — all of which shape how many events ever reach the FDA.
The most frequently reported clinical signs for Brown Swiss are Injection site swelling (4 reports), Residues in milk (3 reports), Anaphylaxis (3 reports), together capturing a substantial share of the top-reaction traffic seen in this breed's record. On the product side, Gamithromycin appears in 5 reports and is the single most-referenced drug, followed by Tulathromycin (4) and Monensin Sodium (2). Counts like these surface which therapeutic classes dominate the reporting stream — useful context when comparing reactions across breeds of the same cattle species.
Outcome coding on the 20 reports with a recorded status is dominated by Recovered/Normal (50.0% of coded outcomes). Annual submission volume ranges from 2,010 to 2,023 reports across the 13 years on file, indicating the reporting trend is shaped as much by awareness cycles as by underlying clinical events. Because FDA adverse event reports describe correlation rather than causation, these numbers are most useful as a signal of where to ask further questions with a veterinarian — not as a standalone risk score for any individual cattle.
Understanding Brown Swiss Adverse Event Data
Brown Swiss has 25 adverse event reports on file. Lower report volumes may reflect a less common breed, lower reporting rates, or genuinely fewer adverse events.
The 800.0% death rate is above average, though this statistic should be interpreted cautiously. Death reports may be overrepresented because serious outcomes are more likely to be reported than mild reactions.
The most frequently referenced drug in adverse reports is Gamithromycin, appearing in 5 reports. This may indicate widespread use of the medication rather than a specific safety concern for Brown Swiss.
Other Cattle Breeds
Holstein-Friesian also known as Holstein
3,106 reports · 3890.0% death rate
Cattle (other)
2,996 reports · 4880.0% death rate
Mixed (Cattle)
2,581 reports · 4740.0% death rate
Cattle (unknown)
2,424 reports · 3850.0% death rate
Aberdeen Angus
1,610 reports · 3480.0% death rate
Crossbred Bovine/Cattle
1,357 reports · 4970.0% death rate
Frequently Asked Questions
How many FDA adverse event reports involve Brown Swiss? ▼
There are 25 adverse event reports involving Brown Swiss in the FDA database, with 2 reports involving death (800.0% death rate). Brown Swiss ranks #339 by report volume.
What are the most common adverse reactions reported for Brown Swiss? ▼
The most commonly reported adverse reactions for Brown Swiss are Injection site swelling (4 reports), Residues in milk (3 reports), Anaphylaxis (3 reports), Localised pain NOS (see other 'SOCs' for specific pain) (3 reports), Mastitis NOS (2 reports).
What drugs are most frequently associated with Brown Swiss adverse events? ▼
The drugs most frequently referenced in Brown Swiss adverse event reports are Gamithromycin (5 reports), Tulathromycin (4 reports), Monensin Sodium (2 reports), Ceftiofur Hydrochloride (2 reports), Sometribove (2 reports).
What is the average age of Brown Swiss in adverse event reports? ▼
The average age of Brown Swiss at the time of adverse event reports is 0.8 years, with an average weight of 228.1 kg (503.0 lbs).
Does a high number of adverse event reports mean Brown Swiss 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 Brown Swiss 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.
Guides & Resources
Understanding Adverse Events
What FDA reports are and how they are collected
Breed-Specific Risks
Why some breeds appear in more adverse event reports
Pet Medication Safety
Evaluating medication risks using FDA data
Most Reported Medications
Drugs that appear most in adverse event reports
How FDA CVM Tracks Events
The reporting process and database limitations
Related Data Sources
Data Sources & Methodology
Adverse event data sourced from the FDA Center for Veterinary Medicine via the openFDA Animal & Veterinary Adverse Events API. Reports are voluntarily submitted by pet owners, veterinarians, and product manufacturers.
Brown Swiss ranks #339 by total report volume. Death rate (800.0%) reflects the proportion of reports involving death and should not be interpreted as a breed-specific mortality rate. Reporting biases, breed popularity, and veterinary access all influence report counts.
Read our methodology — how this data is sourced, computed, and verified.
Related
Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial