Important: Adverse event reports are voluntarily submitted and do not prove causation. Consult your veterinarian for medical decisions about your cattle.
1,357
Total Reports
674
Deaths Reported
4970.0%
Death Rate
1.1 yr
Avg Age at Report
Average weight at time of report: 259.3 kg (571.8 lbs)
Top Reported Reactions
Death 508
Lack of efficacy (bacteria) - NOS 209
Lack of efficacy - NOS 163
Lack of efficacy (ectoparasite) - lice 131
DEATH-TREATMENT FAILURE 87
CULTURE/TITER DATA ABNORMAL 64
Anorexia 60
INEFFECTIVE, LICE BITING 57
Systemic disorder NOS 55
Respiratory tract disorder NOS 53
Pneumonia 46
Diarrhoea 44
Recumbency 42
PR-LUNG(S), LESION(S) 42
Behavioural disorder NOS 41
Most Referenced Drugs
Monensin Sodium 131
Ivermectin 116
Moxidectin 115
Doramectin 85
Tulathromycin 83
Monensin 76
Fenbendazole 61
Tildipirosin 55
Fenbendazol Suspension 47
Ivermectin 0.5% Pour-On Topical Solution 46
Bovine Virus*5/Past M+Mh Lv/Lb 44
Portech App Gun 65 Ml Ivomec/Eprinex 41
Tylosin Phosphate 40
Tildipirosin Injectable 40
Florfenicol 39
Outcome Breakdown
Died
664 (50.5%)
Outcome Unknown
336 (25.6%)
Recovered/Normal
132 (10.0%)
Ongoing
122 (9.3%)
Recovered with Sequela
39 (3.0%)
Euthanized
22 (1.7%)
Gender Distribution
Mixed 452 (33.3%)
Female 379 (27.9%)
Male 374 (27.6%)
Unknown 152 (11.2%)
Reports by Year
| Year | Reports | Trend |
|---|---|---|
| 2010 | 287 | |
| 2011 | 174 | |
| 2012 | 163 | |
| 2013 | 134 | |
| 2014 | 85 | |
| 2015 | 66 | |
| 2016 | 76 | |
| 2017 | 72 | |
| 2018 | 31 | |
| 2019 | 54 | |
| 2020 | 63 | |
| 2021 | 55 | |
| 2022 | 24 | |
| 2023 | 31 | |
| 2024 | 34 | |
| 2025 | 8 | |
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Rank #91 by report volume. Data reflects voluntary submissions and may not represent actual incidence rates.