Drug profile

The FDA adverse-event record for Bovine Parainfluenza Virus 3, Reisinger(Nl-Bk-6), Mlv; Bovine Respiratory Syncyt

237 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Bovine Parainfluenza Virus 3, Reisinger(Nl-Bk-6), Mlv; Bovine Respiratory Syncyt. See the species affected, top reactions, and outcomes below.

237
adverse-event reports
81.0%
death-coded share
Cattle
most-reported species
162
Lack of efficacy (bacteria) - NOS - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
237
Total Reports
192
Deaths Reported
81.0%
Death Rate

Active Ingredients

Bovine Parainfluenza Virus 3, Reisinger(Nl-Bk-6), Mlv; Bovine Respiratory Syncyt

Administration Routes

SubcutaneousIntramuscularUnknown

Species Affected

Cattle 234
Unknown 3

Most Affected Breeds

Cattle (other) 143
Mixed (Cattle) 30
Holstein-Friesian also known as Holstein 21
Aberdeen Angus 14
Crossbred Bovine/Cattle 13
Hereford cattle 3
Cattle (unspecified) 3
Cattle (unknown) 3
Unknown 3
Gelbvieh 1

Most Reported Reactions

Lack of efficacy (bacteria) - NOS 162
Death 140
Lack of efficacy - NOS 43
CULTURE/TITER DATA ABNORMAL 25
Other abnormal test result NOS 23
Abnormal test result 21
Increased mortality rate 18
PR-LUNG(S), LESION(S) 14
Abnormal necropsy finding 14
NT - Abnormal necropsy finding NOS 14
NT - fibrinous (broncho) pneumonia/fibrinous pleuropneumonia 12
DEATH-TREATMENT FAILURE 8

Outcome Breakdown

Died
192 (47.8%)
Outcome Unknown
147 (36.6%)
Recovered/Normal
26 (6.5%)
Ongoing
23 (5.7%)
Recovered with Sequela
10 (2.5%)
Euthanized
4 (1.0%)

Bovine Parainfluenza Virus 3, Reisinger(Nl-Bk-6), Mlv; Bovine Respiratory Syncyt Adverse Event Insights

237 reports name Bovine Parainfluenza Virus 3, Reisinger(Nl-Bk-6), Mlv; Bovine Respiratory Syncyt; 192 recorded a death outcome (81.0% of reported events, not a population-level mortality rate). Active ingredient: Bovine Parainfluenza Virus 3, Reisinger(Nl-Bk-6), Mlv; Bovine Respiratory Syncyt. Administration routes: Subcutaneous, Intramuscular, Unknown.

By species: Cattle (234 reports), Unknown (3 reports). By breed: Cattle (other) (143), Mixed (Cattle) (30), Holstein-Friesian also known as Holstein (21).

Leading clinical signs: Lack of efficacy (bacteria) - NOS (162), Death (140), Lack of efficacy - NOS (43), CULTURE/TITER DATA ABNORMAL (25). Outcome, 402 coded reports: Died leads at 47.8%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.