Guide
21 CFR 507 PCQI: the Animal-Food FSMA Operating Manual
FSMA's Preventive Controls for Animal Food rule — 21 CFR 507 — is the federal cGMP and HACCP backbone for every facility making pet food, treats, livestock feed or animal-food ingredients in the US. It mirrors 21 CFR 117 for human food but with animal-food-specific hazards, prohibited-material controls, and a separate PCQI (Preventive Controls Qualified Individual) curriculum. FDA Center for Veterinary Medicine (CVM) inspections under Part 507 are now the routine compliance baseline for the category. This guide is the operating manual for 21 CFR 507 readiness.
Start free trial Free trial, no credit card, onboard in days, not months.
Subpart B — cGMP for animal food
Subpart B sets the cGMP baseline: personnel hygiene, plant grounds and construction, sanitary operations (pest control, cleaning, water quality), sanitary facilities (toilets, hand-washing, sewage), equipment and utensils (hygienic design, calibration), processes and controls (raw-material handling, process controls, packaging), warehousing and distribution, and holding/distribution of human food by-products for animal use. The by-products clause is unique to Part 507 and matters for any plant taking spent grain, bakery rework or vegetable trimmings.
Subpart C — the food-safety plan and PCQI
Subpart C requires a written food-safety plan covering hazard analysis, preventive controls (process, sanitation, supply-chain, allergen, plus 'other' as warranted), recall plan, monitoring, verification, validation, corrective action and reanalysis. The plan must be developed and signed by a PCQI — a person who has completed FSPCA Preventive Controls Qualified Individual training for animal food (the curriculum is different from human-food PCQI) or has equivalent job experience. Reanalysis is required at minimum every 3 years and whenever significant changes occur.
Hazard analysis — the animal-food specifics
Biological hazards include Salmonella (the dominant pathogen — see the Salmonella pet food EMP guide), Listeria where wet processing exists, and species-specific concerns (e.g. avian influenza in raw poultry-based products). Chemical hazards include mycotoxins on grain incoming, vitamin/mineral over- and under-fortification (Hill's 2019), prohibited materials under 21 CFR 589, melamine-style adulteration, and medicated-feed residue carryover. Physical hazards include metal, bone, plastic and packaging fragments. The hazard analysis must be species-aware — what's safe for dogs may not be for cats or horses.
Preventive controls — process, sanitation, supply-chain, allergen
Process controls live on validated kill steps (extruder kill step for kibble, oven bake for treats, retort for canned), parameter monitoring and deviation handling. Sanitation controls live on the post-kill EMP and SSOP. Supply-chain controls live on incoming ingredient programmes — particularly vitamin premixes, animal-sourced ingredients (BSE under 21 CFR 589), and grain (mycotoxin). Allergen controls in animal food cover species-specific recipes, therapeutic diets and ingredients claimed as 'limited'. The 'other' category covers food-defence and economic-adulteration controls per facility-specific risk.
Subpart E — supply-chain controls under Part 507
Subpart E sets the supply-chain programme requirement for any hazard requiring a supply-chain-applied control. The plant approves suppliers, conducts onsite audit / sampling / COA verification per a risk-based protocol, maintains records, and handles non-conforming material. For animal food the heavy lifters are vitamin/mineral premix suppliers (Hill's 2019 vitamin D), rendered-protein suppliers (BSE segregation, see 21 CFR 589 guide), and grain suppliers (mycotoxin). Brand owners using co-manufacturers run supply-chain controls against the co-man as well.
A 90-day 21 CFR 507 PCQI readiness path
Days 1–15: cGMP Subpart B gap walk-through. Days 16–30: hazard analysis rebuild by SKU with species-aware library. Days 31–50: preventive-controls validation evidence assembly — kill-step validation, EMP, supply-chain. Days 51–70: Subpart E supplier programme refresh, vitamin-premix and rendered-protein focus. Days 71–80: recall plan, traceability and mock-recall exercise. Days 81–85: PCQI sign-off and reanalysis schedule. Days 86–90: mock FDA CVM 21 CFR 507 inspection and management review.
Standards covered in this guide
Each standard, retailer code or assurance scheme referenced above has its own deep-dive page with scope, audit detail and common pitfalls.
Where this lives in V5 Ultimate
The clauses above aren't theoretical — every one maps to a shipped module and an industry profile. Jump to the parts of the product that turn this guide into evidence on a Monday morning.
Modules that do the work
Industries this hits hardest
Frequently asked
Is the human-food PCQI training enough for animal food?
No — FSPCA runs a separate Preventive Controls Qualified Individual curriculum for animal food (PCQI-AF). The human-food PCQI is not a substitute. A PCQI under Part 507 has either completed the FSPCA animal-food curriculum or has equivalent job experience documented. Most plants put their PCQI through the FSPCA course because it's the unambiguous evidence.
Does Part 507 require finished-product testing?
Not as a blanket requirement. Finished-product testing is a verification activity that may or may not be part of the food-safety plan depending on hazard analysis and the chosen preventive controls. Most pet-food plants do test for Salmonella on a defined sampling plan as verification of the kill step plus EMP — but the regulatory hook is verification of the preventive control, not standalone product testing.
How does Part 507 interact with FSVP for imported animal food?
FSVP (21 CFR 1) applies to importers of animal food into the US — the importer verifies the foreign supplier produces the food under controls equivalent to Part 507. A US plant making animal food domestically operates under Part 507 directly. If a US brand owner imports finished product to relabel and distribute, FSVP applies on the importer side and Part 507 on any domestic processing.
When is a reanalysis required?
At minimum every 3 years, and whenever a significant change in operations would create a new or different reasonably foreseeable hazard, when a preventive control or its validation is determined to be ineffective, or when FDA mandates one. Routine triggers: new SKU, new ingredient source, new equipment, new process parameter, recall or major deviation, or change in supplier risk.
See it on your shop floor.
Free trial, no credit card, onboard in days, not months.
Related reading
Spot something off? .