Chicken
644 adverse event reports across 18 breeds
644
Total Reports
18
Breeds
401
Deaths
6230.0%
Death Rate
Top Reactions
Death 262
Lack of efficacy (protozoa) - Coccidia 136
Lack of efficacy - NOS 97
Increased mortality rate 89
Loss of egg quantity 38
Enteritis 34
NT - Abnormal necropsy finding NOS 33
Death by euthanasia 30
Accidental exposure 26
IGA Animal mortality greater than expected 26
Lack of efficacy (bacteria) - NOS 25
Anorexia 24
Most Referenced Drugs
Narasin + Nicarbazin 156
Narasin 118
Monensin Sodium 94
Tylosin 34
Avilamycin 33
Zoalene (3.5-Dinitro-O-Toluamide) 30
Narasin, Nicarbazin 27
Hygromycin B 26
Wet-Milled Fenbendaz Oral Susp 21
Tylosin Tartrate 20
Bacitracin Methylene Disalicylate 19
Narasin; Nicarbazin 18
Outcome Breakdown
Died
380 (51.3%)
Outcome Unknown
236 (31.8%)
Euthanized
61 (8.2%)
Recovered/Normal
41 (5.5%)
Recovered with Sequela
12 (1.6%)
Ongoing
11 (1.5%)
Reports by Year
2010 43
2011 54
2012 59
2013 60
2014 46
2015 55
2016 57
2017 41
2018 37
2019 40
2020 38
2021 25
2022 28
2023 17
2024 29
2025 15
Chicken Breeds (4)
| # | Breed | Reports | Deaths | Death Rate | Avg Age |
|---|---|---|---|---|---|
| 1 | Chicken (unknown) | 421 | 244 | 5800.0% | 0.2 yr |
| 2 | Chicken (other) | 131 | 91 | 6950.0% | 0.2 yr |
| 3 | Chicken (unspecified) | 18 | 13 | 7220.0% | 0.2 yr |
| 4 | Cornish Cobb | 10 | 6 | 6000.0% | 0.0 yr |