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{"resourceType":"Group","id":"herd1","extension":[{"url":"http://example.org/fhir/StructureDefinition/owner","valueReference":{"reference":"RelatedPerson/peter","display":"Peter Chalmers"}},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"fhir"}],"identifier":[{"system":"https://vetmed.iastate.edu/vdl","value":"20171120-1234"}],"name":"Breeding herd","status":"active","publisher":"HL7 International / FHIR Infrastructure","contact":[{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/fiwg"}]}],"type":"animal","membership":"enumerated","code":{"coding":[{"system":"http://snomed.info/sct","code":"388393002","display":"Genus Sus (organism)"},{"system":"https://www.aphis.usda.gov","code":"POR","display":"porcine"}],"text":"Porcine"},"quantity":2500,"characteristic":[{"code":{"text":"gender"},"valueCodeableConcept":{"text":"female"},"exclude":false}]}