Aquaculture Module Feed Processing Event
Feed processing events record any type of transformation event associated with the production of feed.
Event Profile
Feed processing events are identified by the following event characteristics:
KDE | Value |
type | TransformationEvent |
bizStep | commissioning |
disposition | active |
Feed processing events must have at least one output product with a
productClassification of feed.KDE Requirements
The following KDEs should be available on the root of the feed processing event.
| KDE | Description | Example Value |
|---|---|---|
| eventID | A URN formatted universally unique ID (UUID) | urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx |
| disposition | The disposition field of an event specifies the business condition of the event's objects, subsequent to the event. The disposition is assumed to hold true until another event indicates a change of disposition. A full list of disposition values and their definitions is available in the EPCIS Core Business Vocabulary | active |
| eventTime | A string value formatted as an ISO datetime | 2026-01-01T00:00:00.000Z |
| bizLocation | Facility where feed was processed; validated as a GLN with related master data | urn:epc:id:gln:1234567890123 |
| informationProvider | A URN formatted PGLN or GDST party identifier | urn:epc:sgln:08600031303.0.0, urn:gdst:example.org:party:example_prefix.0 |
| productOwner | A URN formatted PGLN or GDST party identifier | urn:epc:sgln:08600031303.0.0, urn:gdst:example.org:party:example_prefix.0 |
| readPoint | A readPoint object with an id property equal to a geo formatted coordinate pair |
geo:37.860236,-123.144697 |
Instance Lot Master Data (ILMD) Requirements
The following KDEs should be available on the ilmd property of the feed processing event.
| KDE | Description | Example Value |
|---|---|---|
| countryofOrigin | ISO 3166-1 alpha-2 or alpha-3 country code for the nation where the product underwent the last substantial transformation | US, USA |
| proteinSource | Source(s) of protein in the feed formulation (for example soy, insects, wild-caught fish byproduct, other) | soy, wild caught fish byproduct |
Certificate Requirements
The following certificates are required on the certificationList of the ilmd on the feed processing event.
| Certification description | Certification type |
|---|---|
| Chain of Custody | urn:gdst:certType:harvestCoC |
| Legal authorization (processor license) | urn:gdst:certType:processorLicense |
Certificates are required to have the following properties
| Certificate Property | Description | Example Value |
|---|---|---|
| certificationType | A URN formatted string defining the type of certificte | urn:gdst:certType:harvestCert |
| certificationAgency | The name of the certificate program owner | WHO |
| certificationStandard | The name of the standard associated with the certificate | WHO Human Decency Policy |
| certificationValue | An additional descriptor of the certificate if there are different quality values for the certificate | Quality class 4 |
| certificationIdentification | The ID of the certificate | 0987654321 |
Full JSON Example
{
"@context": [
"https://ref.gs1.org/standards/epcis/epcis-context.jsonld",
{
"gdst": "https://traceability-dialogue.org/epcis"
}
],
"type": "TransformationEvent",
"eventTime": "2026-04-18T02:58:47.3535287+00:00",
"eventTimeZoneOffset": "+00:00",
"eventID": "urn:uuid:4e42594a-d8b0-4300-8c62-7bc6edf3c002",
"inputQuantityList": [
{
"epcClass": "urn:gdst:example.org:product:lot:class:solution.feed.source1",
"quantity": 5000.0,
"uom": "KGM"
}
],
"outputQuantityList": [
{
"epcClass": "urn:gdst:example.org:product:lot:class:solution.feed.lot1",
"quantity": 5000.0,
"uom": "KGM"
}
],
"bizStep": "commissioning",
"disposition": "active",
"readPoint": {
"id": "geo:37.7749,-122.4194"
},
"bizLocation": {
"id": "urn:gdst:example.org:location:loc:solution.feedmill"
},
"ilmd": {
"gdst:proteinSource": "soy",
"cbvmda:countryOfOrigin": "US",
"cbvmda:certificationList": {
"certification": [
{
"gdst:certificationType": "urn:gdst:certType:harvestCoC",
"certificationAgency": "CoC Agency",
"certificationStandard": "Generic Chain of Custody Standard",
"certificationValue": "abc123",
"certificationIdentification": "COC-0001"
},
{
"gdst:certificationType": "urn:gdst:certType:processorLicense",
"certificationAgency": "Processor Agency",
"certificationStandard": "Processor License Standard",
"certificationValue": "def456",
"certificationIdentification": "PROC-0002"
}
]
}
},
"gdst:productOwner": "urn:gdst:example.org:party:solution.feedmill",
"cbvmda:informationProvider": "urn:gdst:example.org:party:solution.feedmill"
}