{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T05:54:40Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 1,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:19:55+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:02+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q780",
    "registryId": "vr.tr.chicken",
    "name": "chicken",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.LIV"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q780/",
  "model": {
    "registry_id": "vr.tr.chicken",
    "name": "chicken",
    "purpose": "Let an agent handle chickens by breed, purpose, welfare, disease and food safety, and support small keepers with official guidance.",
    "definition": "The domestic chicken (Gallus gallus domesticus), a bird kept worldwide for meat and eggs, including hens, roosters, capons, broilers and many breeds.",
    "what_it_is_for": "Eggs, meat and companionship.",
    "affordances": [
      "keep and breed them",
      "collect eggs and raise broilers",
      "register flocks, where required",
      "protect them from disease and predators"
    ],
    "distinguishing_features": [
      "Most numerous domestic bird",
      "Layers and broilers are specialised",
      "Avian influenza controls apply to keepers",
      "Salmonella is a food safety concern"
    ],
    "appearance": "A ground bird with a comb and wattles, in many colours and sizes; roosters are larger with long tail feathers.",
    "visual_identification": [
      "Comb, wattles and feather patterns",
      "Leg rings or flock records",
      "Breeds and hybrids such as broilers"
    ],
    "physical_properties": [
      {
        "quantity": "hen mass",
        "typical_range": "1.5-4",
        "unit": "kg",
        "note": "breed-dependent"
      },
      {
        "quantity": "eggs per year",
        "typical_range": "150-320",
        "unit": "eggs",
        "note": "laying hybrids at the top"
      }
    ],
    "families_and_kinds": [
      "laying hens",
      "broilers",
      "dual-purpose and heritage breeds",
      "bantams",
      "roosters and capons"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "bird",
        "why": "poultry"
      },
      {
        "relation": "produces",
        "target": "egg and meat",
        "why": "food"
      },
      {
        "relation": "carries",
        "target": "avian influenza and salmonella",
        "why": "diseases"
      },
      {
        "relation": "is kept in",
        "target": "agriculture",
        "why": "farming"
      }
    ],
    "identifiers": [
      {
        "scheme": "flock registration",
        "value_or_pattern": "country-specific",
        "note": "registration of keepers"
      }
    ],
    "standards_and_regulation": [
      "EU Directive 1999/74/EC on laying hens",
      "EU Directive 2007/43/EC on broilers",
      "Avian influenza control rules",
      "Egg marketing and labelling rules"
    ],
    "failure_modes_and_hazards": [
      "Avian influenza",
      "Salmonella and Campylobacter",
      "Welfare problems in intensive systems",
      "Predator attacks"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Monitor feed, water, temperature and health in a flock for its keeper.",
        "Collect and grade eggs following hygiene rules."
      ],
      "must_not": [
        "Keep or handle chickens in ways that cause avoidable suffering.",
        "Give antibiotics or other medicines without veterinary instruction.",
        "Hide signs of avian influenza or other notifiable disease from the authorities.",
        "Misrepresent eggs or meat as free-range or organic when they are not."
      ],
      "requires_human": [
        "Culling birds, including in a disease outbreak."
      ]
    },
    "ethics": {
      "considerations": [
        "Billions of chickens live in intensive systems where welfare is often poor.",
        "Bird flu and salmonella spread between birds and people."
      ],
      "affected_parties": [
        "The birds",
        "Poultry keepers and workers",
        "Consumers"
      ]
    },
    "owners": {
      "steward": "The keeper of the flock; veterinary authorities oversee notifiable diseases.",
      "master_systems": [
        "Poultry holding registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q780: chicken",
      "url": "https://www.wikidata.org/wiki/Q780",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Chicken",
      "url": "https://en.wikipedia.org/wiki/Chicken",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "flock",
        "name": "Flock",
        "description": "Breed and purpose.",
        "rationale": "Purpose shapes care.",
        "layers": [
          {
            "id": "breed",
            "name": "Breed",
            "description": "Type.",
            "findings": [
              {
                "id": "breed-finding",
                "name": "Breed",
                "description": "Breed and purpose.",
                "questions": [
                  {
                    "text": "Which breed, and kept for eggs, meat or both?",
                    "kind": "definition"
                  },
                  {
                    "text": "How many birds?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "registration",
            "name": "Registration",
            "description": "Keepers.",
            "findings": [
              {
                "id": "registration-finding",
                "name": "Registration",
                "description": "Registration duty.",
                "questions": [
                  {
                    "text": "Must this flock be registered?",
                    "kind": "boundary"
                  },
                  {
                    "text": "With which authority?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "health",
        "name": "Health",
        "description": "Disease.",
        "rationale": "Disease control protects birds and people.",
        "layers": [
          {
            "id": "biosecurity",
            "name": "Biosecurity",
            "description": "Prevention.",
            "findings": [
              {
                "id": "biosecurity-finding",
                "name": "Biosecurity",
                "description": "Biosecurity measures.",
                "questions": [
                  {
                    "text": "Which biosecurity measures apply now?",
                    "kind": "action"
                  },
                  {
                    "text": "Is there a housing order for avian influenza?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "signs",
            "name": "Signs",
            "description": "Illness.",
            "findings": [
              {
                "id": "signs-finding",
                "name": "Signs",
                "description": "Signs of illness.",
                "questions": [
                  {
                    "text": "Which signs mean a vet or authority should be called?",
                    "kind": "action"
                  },
                  {
                    "text": "Which diseases are notifiable?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "welfare",
        "name": "Welfare",
        "description": "Housing and care.",
        "rationale": "Welfare depends on system.",
        "layers": [
          {
            "id": "system",
            "name": "System",
            "description": "Cage, barn, free-range.",
            "findings": [
              {
                "id": "system-finding",
                "name": "System",
                "description": "Housing system.",
                "questions": [
                  {
                    "text": "Which housing system is used?",
                    "kind": "definition"
                  },
                  {
                    "text": "What welfare standards apply?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "predators",
            "name": "Predators",
            "description": "Protection.",
            "findings": [
              {
                "id": "predators-finding",
                "name": "Predators",
                "description": "Predator protection.",
                "questions": [
                  {
                    "text": "How are birds protected from predators?",
                    "kind": "action"
                  },
                  {
                    "text": "Is the run secure?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "food",
        "name": "Food",
        "description": "Eggs and meat safety.",
        "rationale": "Food safety matters.",
        "layers": [
          {
            "id": "eggs",
            "name": "Eggs",
            "description": "Handling and labels.",
            "findings": [
              {
                "id": "eggs-finding",
                "name": "Eggs",
                "description": "Egg handling.",
                "questions": [
                  {
                    "text": "How should eggs be stored and cooked safely?",
                    "kind": "action"
                  },
                  {
                    "text": "What does the egg code mean?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "meat",
            "name": "Meat",
            "description": "Cooking.",
            "findings": [
              {
                "id": "meat-finding",
                "name": "Meat safety",
                "description": "Meat handling.",
                "questions": [
                  {
                    "text": "To what temperature should chicken be cooked?",
                    "kind": "action"
                  },
                  {
                    "text": "How is cross-contamination avoided?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should breeds be separate entries?",
    "How should welfare systems (cage, barn, free-range) be linked?",
    "How should small keeper obligations be represented?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}