Reaction profile

The FDA adverse-event record for alteration of milk quality

194 FDA adverse-event reports reference alteration of milk quality (VeDDRA 533). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1052 of 2,481
by report volume (all reactions)
194
reports citing this reaction
9.8%
death-coded share
Cattle
most-affected species

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Alteration of milk quality has 194 reports now versus 194 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
+0.0 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Alteration of milk quality changes

FDA AER · VeDDRA plate

Code 533 VOL-LOW

VOL-LOW · DEATH-PAR · MID-PACK · PHOTO-FINISH · SPECIES-CATTLE · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-LOW 194 reports
  • DEATH-PAR 9.8%
  • MID-PACK #1052/2481
  • PHOTO-FINISH Itchy rash
  • SPECIES-CATTLE Cattle · 192
  • DRUG-LEAD Monensin Sodium · 125
  • DESK-WIDE 11 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Itchy rash (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Report-volume neighbourhood around Alteration of milk quality

Highest and lowest poles plus nearest volume peers, not a full 2,500-reaction corpus board reprint.

Vomiting · highest174348Disseminated intravas… · near195Alteration of milk qu… · thi…194Itchy rash · near194Cardiac murmur · near193Coprophagia · near193Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Alteration of milk quality

What the FDA AER plate says about Alteration of milk quality

Signature read: death-coded share at 9.8% is the most distinctive outcome stamp on Alteration of milk quality. Report volume sits in the middle third of the reaction corpus. 19 of 194 reports were death-coded (9.8% of named reports, not a population mortality rate). Nearest volume peer: Itchy rash (±0 reports). Lead species Cattle (192). Lead co-reported drug Monensin Sodium (125).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Monensin Sodium appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Cattle 192
Goat 2

Breeds Most Affected

Holstein-Friesian also known as Holstein 136
Cattle (unknown) 21
Cattle (other) 9
Mixed (Cattle) 8
Crossbred Bovine/Cattle 7
Jersey 7
Aberdeen Angus 2
Goat (other) 1
Brown Swiss 1
Shorthorn - Milking 1

Associated Drugs

Monensin Sodium 125
Sometribove 46
Monensin 11
Sometribove Zinc Suspension 10
Pegbovigrastim 5
Cloxacillin Benzathine 4
Cephapirin Sodium 4
Cloxacillin Benz Intramam Dc 3
Novobiocin, Penicillin G Procaine 2
Cephapirin Benzathine 2
Ceftiofur Hydrochloride 2
Moxidectin 2
Clorsulon, Ivermectin 1
Eprinomectin 1
Fenbendazol Powder Mix 1
Fenbendazole 1
Cloprostenol Sodium 1
Gonadorelin Acetate 1
Salmonella Vaccine 1
Vaccines (Unknown) 1

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Alteration of milk quality, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar report volume

Nearest other reactions by FDA report count (194 here).

Similar death-coded share

Nearest other reactions by death-coded share (9.8% here), distinct from the volume row.

What to do with this reaction

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

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

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Alteration of milk quality (#1052 of 2,481 by report volume); death-coded 9.8%. PlainBreed reaction plate · death-coded share stamp 9.8% · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →