Trenbolone Acet/Estrad Sr Imp

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166 adverse event reports submitted to the FDA

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
166
Total Reports
58
Deaths Reported
3490.0%
Death Rate

Active Ingredients

Trenbolone Acet/Estrad Sr Imp

Administration Routes

UnknownSubcutaneousParenteralOther

Species Affected

Cattle 87
Unknown 78
Human 1

Most Affected Breeds

Unknown 79
Cattle (other) 47
Crossbred Bovine/Cattle 15
Cattle (unspecified) 5
Aberdeen Angus 5
Mixed (Cattle) 4
Charolais 4
Holstein-Friesian also known as Holstein 3
Red Angus 2
Cattle (unknown) 2

Most Reported Reactions

Death 47
Appearance, Abnormal 28
Color, Abnormal 26
Lack of efficacy - NOS 26
Behavioural disorder NOS 21
Product Defect, General 17
Lameness 17
Product problem 15
Difficulty of Use 9
Underfilling, Container 9
Underfilling, Package 9
Death by euthanasia 8

Outcome Breakdown

Died
50 (33.3%)
Outcome Unknown
46 (30.7%)
Ongoing
22 (14.7%)
Recovered/Normal
19 (12.7%)
Euthanized
13 (8.7%)

Data Summary

Metric Value
Total adverse event reports 166
Reports involving death 58
Case-fatality rate (reported events) 3490.0%
Distinct species in reports 3
Distinct breeds in reports 10
Distinct reactions reported 20
Active ingredients on file 1

Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER). Counts reflect voluntary reports only.

Trenbolone Acet/Estrad Sr Imp Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 166 adverse event reports referencing Trenbolone Acet/Estrad Sr Imp, including 58 reports in which the animal died — a 3490.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Trenbolone Acet/Estrad Sr Imp. Reported administration routes include Unknown, Subcutaneous, Parenteral, Other. These numbers reflect voluntary submissions from pet owners, veterinarians, and manufacturers and therefore under-represent mild events and over-represent severe ones — a pattern the FDA has documented repeatedly for pharmacovigilance datasets.

The species most frequently named in Trenbolone Acet/Estrad Sr Imp reports are Cattle (87 reports), Unknown (78 reports), Human (1 reports), with Cattle accounting for the largest share. Within those species, Unknown (79), Cattle (other) (47), Crossbred Bovine/Cattle (15) appear most often — though breed popularity and ownership density shape these counts as much as any drug-specific sensitivity. This distribution matters because the same active ingredient can behave very differently across body sizes, ages, and species physiology.

The most commonly reported clinical signs associated with Trenbolone Acet/Estrad Sr Imp are Death (47), Appearance, Abnormal (28), Color, Abnormal (26), Lack of efficacy - NOS (26). Of the 150 reports with a coded outcome, Died is the leading category at 33.3%. Because FDA adverse event data describes correlation rather than causation, these figures are best used to frame informed questions with a veterinarian and to compare reporting patterns across related products — not as a standalone safety verdict on Trenbolone Acet/Estrad Sr Imp.

Source: FDA Center for Veterinary Medicine — Adverse Event Reports FDA Center for Veterinary Medicine — Adverse Event Reports Data reflects voluntary submissions and may not represent actual incidence rates

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial