Important: Adverse event reports are voluntarily submitted and do not prove causation. Consult your veterinarian for medical decisions about your cattle.
2,424
Total Reports
934
Deaths Reported
3850.0%
Death Rate
1.2 yr
Avg Age at Report
Average weight at time of report: 256.1 kg (564.7 lbs)
Top Reported Reactions
Death 723
Lack of efficacy (bacteria) - NOS 226
Lack of efficacy (ectoparasite) - lice 219
Lack of efficacy - NOS 206
DEATH-TREATMENT FAILURE 87
Pruritus 86
Diarrhoea 74
Recumbency 66
Lack of efficacy (protozoa) - Coccidia 65
Anorexia 63
Systemic disorder NOS 63
Pneumonia 62
INEFFECTIVE, LICE BITING 57
Decreased appetite 57
Anaphylaxis 56
Most Referenced Drugs
Monensin Sodium 482
Moxidectin 202
Ivermectin 179
Eprinomectin 162
Tulathromycin 111
Ceftiofur 96
Doramectin 95
Sometribove 68
Ractopamine Hydrochloride 66
Tilmicosin 61
Ivermectin 0.5% Pour-On Topical Solution 59
Gamithromycin 57
Tylosin Phosphate 47
Enrofloxacin 46
Melengestrol Acetate 42
Outcome Breakdown
Died
911 (41.8%)
Outcome Unknown
881 (40.4%)
Recovered/Normal
217 (10.0%)
Ongoing
101 (4.6%)
Euthanized
41 (1.9%)
Recovered with Sequela
27 (1.2%)
Gender Distribution
Unknown 873 (36.0%)
Female 792 (32.7%)
Mixed 440 (18.2%)
Male 319 (13.2%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 319 | |
| 2011 | 385 | |
| 2012 | 207 | |
| 2013 | 180 | |
| 2014 | 123 | |
| 2015 | 163 | |
| 2016 | 168 | |
| 2017 | 166 | |
| 2018 | 136 | |
| 2019 | 133 | |
| 2020 | 106 | |
| 2021 | 84 | |
| 2022 | 76 | |
| 2023 | 70 | |
| 2024 | 59 | |
| 2025 | 49 | |
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Rank #72 by report volume. Data reflects voluntary submissions and may not represent actual incidence rates.