Egg Grades, Weight Classes and Traceability Codes Explained for Importers

A buyer's guide to shell-egg standards: EU classes and weight grades, US quality grades and weight classes, what the EU producer code tells you, how Codex frames traceability, and a checklist for egg import requests.
By HatchMatch Group Editorial Desk · Last updated 2026-10-23
In short
Short answer: Egg grades describe quality; weight classes describe size; traceability codes link an egg or pack back to where it was produced. The EU and the US use different systems: EU class A eggs are graded per egg into XL, L, M and S, while US grades AA, A and B describe quality and US weight classes are set per dozen. An egg request should name the destination's standard, the grade and size mix, the marking required and the records that support traceability.
Key takeaways
- EU egg marketing standards are now set by Delegated Regulation (EU) 2023/2465, which replaced Regulation 589/2008.
- The USDA standards for shell eggs separate two ideas that buyers often merge:
- The Codex principles for traceability describe traceability as a tool: the ability to follow a food one step back and one step forward.
- Graders and packers apply the weight bands you set; they do not decide which standard applies or prove a farming-method claim.
- Asking for "large eggs" without naming the standard — an EU L and a US Large are defined differently.
Short answer: Egg grades describe quality; weight classes describe size; traceability codes link an egg or pack back to where it was produced. The EU and the US use different systems: EU class A eggs are graded per egg into XL, L, M and S, while US grades AA, A and B describe quality and US weight classes are set per dozen. An egg request should name the destination's standard, the grade and size mix, the marking required and the records that support traceability.
Who this is for: importers, distributors, retailers and food manufacturers buying shell eggs, and producers preparing to supply them. HatchMatch, part of Global B2B Group, coordinates buyer-first sourcing; it does not grade, pack or certify eggs.
EU: classes, weight grades and the producer code
EU egg marketing standards are now set by Delegated Regulation (EU) 2023/2465, which replaced Regulation 589/2008. Check the consolidated text for current detail before relying on a specific provision.
- Quality classes: class A eggs for retail, and class B eggs for industry.
- Weight grades for class A: XL 73 g and over; L 63 g to under 73 g; M 53 g to under 63 g; S under 53 g.
- Producer code on the shell: a digit for the farming method, the two-letter country code and the establishment's identification number.
- Date: a best-before date no later than 28 days after laying.
Want these figures for your own site, capacity and country? A HatchMatch specialist builds the budget with you — no buyer fees.
Start freeUS: quality grades and weight classes
The USDA standards for shell eggs separate two ideas that buyers often merge:
- Quality grades AA, A and B describe shell, white and yolk quality and air-cell depth. They say nothing about size.
- Weight classes are set by minimum net weight per dozen, from Jumbo (30 oz) through Extra Large, Large, Medium and Small to Peewee (15 oz).
Federal grading is a service; destination and state rules on labelling and refrigeration also apply. Confirm them for each destination rather than assuming one rule.
| Aspect | European Union | United States |
|---|---|---|
| Quality | Class A (retail), class B | Grades AA, A, B |
| Size | Per egg: XL, L, M, S | Per dozen: Jumbo to Peewee |
| Producer marking | Method digit, country, establishment ID | Not part of the federal grade |
| Date | Best-before ≤ 28 days after laying | Set by applicable rules — confirm |
The same table appears on the shell table eggs catalog page.
What traceability means in practice
The Codex principles for traceability describe traceability as a tool: the ability to follow a food one step back and one step forward. It supports food-safety and inspection systems; it does not by itself prove quality or safety. The Codex code of hygienic practice for eggs is the international reference for collection, handling, storage and transport.
For a buyer, traceability means asking for records that connect:
- Flock and house to the eggs collected each day.
- Lot or pack code to grading date, packing centre and storage temperature.
- Shipment to the lots it contains and the health certificate issued for it.
Grading equipment is not the standard
Graders and packers apply the weight bands you set; they do not decide which standard applies or prove a farming-method claim. If you are buying equipment rather than eggs, see the egg grading and packing machines buying guide and the graders and packers catalog entry.
Common gaps in egg requests
- Asking for "large eggs" without naming the standard — an EU L and a US Large are defined differently.
- Mixing quality grade and size in one field.
- Leaving out the shell marking and label language the destination requires.
- Not stating the farming method claim and the evidence expected for it.
- No storage or transport temperature requirement.
Importer checklist
- Destination standard (EU, US or other national rule) and the authority that sets it.
- Quality grade or class, and the size mix by percentage.
- Shell marking, pack labelling and language.
- Farming method claim, if any, and supporting documents.
- Lot coding and records from flock to shipment.
- Storage and transport temperature, and shelf-life on arrival.
- Health certificate and establishment approval the destination requires.
Next step
Use the poultry and egg sourcing request to describe the grade, size mix, marking and destination. Our team reviews every request and contacts suitable producers on your behalf; buyers do not contact suppliers directly. Egg product requests are qualified by specification, volume, destination and logistics; equipment and project requests start at USD 250,000 via the project request form. Producers and exporters remain responsible for meeting the rules that apply; see compliance.
Sources
- EU Delegated Regulation 2023/2465 — marketing standards for eggs
- USDA AMS — US standards, grades and weight classes for shell eggs
- Codex CXC 15-1976 — code of hygienic practice for eggs and egg products
- Codex CXG 60-2006 — principles for traceability
Frequently asked questions
What is the difference between an egg grade and a weight class? A grade describes quality (shell, white, yolk); a weight class describes size. In the US they are separate; in the EU class A eggs carry a weight grade.
What does the code on an EU egg mean? It shows the farming-method digit, the country code and the identification number of the establishment where the egg was laid.
Is an EU large egg the same as a US Large egg? No. EU sizes are set per egg (L is 63 g to under 73 g); US weight classes are set by minimum weight per dozen.
Does traceability guarantee egg safety? No. Codex describes traceability as a tool that supports food-safety systems; it does not by itself prove quality or safety.
What should an egg import request include? The destination standard, grade and size mix, marking and labelling, farming-method claim, lot records, temperature requirements and the certificates the destination requires.
Frequently asked questions
- What is the difference between an egg grade and a weight class?
- A grade describes quality (shell, white, yolk); a weight class describes size. In the US they are separate; in the EU class A eggs carry a weight grade.
- What does the code on an EU egg mean?
- It shows the farming-method digit, the country code and the identification number of the establishment where the egg was laid.
- Is an EU large egg the same as a US Large egg?
- No. EU sizes are set per egg (L is 63 g to under 73 g); US weight classes are set by minimum weight per dozen.
- Does traceability guarantee egg safety?
- No. Codex describes traceability as a tool that supports food-safety systems; it does not by itself prove quality or safety.
- What should an egg import request include?
- The destination standard, grade and size mix, marking and labelling, farming-method claim, lot records, temperature requirements and the certificates the destination requires.
More buyer questions are answered in our poultry procurement FAQ — also available in Español, Français, Português, Deutsch, العربية, Русский, Türkçe, Tiếng Việt.
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HatchMatch Group is an independent sourcing desk — not a manufacturer or EPC contractor. These are the four steps we actually use with commercial poultry and hatchery buyers. If you are still deciding scope, start with what commercial poultry equipment includes and how suppliers are compared.
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- 4. Track and compareFollow status and normalise supplier responsesOpen
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