Campbell
Conservation & challenges
One living story. Knowledge kept together.
Khaki Campbell duck at Occombe Farm, Devon. · Partonez · CC BY-SA 4.0 · License terms
What does this animal face?
Conservation retains both recognizable type and the laying qualities that gave the breed its value. A breed can be well known yet still need stewardship of less common lines and varieties. Claims about exceptional egg output should identify the flock, conditions, and recording period rather than promising the same result from every individual.
A useful comparison asks what breeders selected for: eggs, market size, foraging, distinctive plumage, or several purposes together. These priorities explain differences between breeds more clearly than ranking them as universally better or worse farm birds.
This is The Livestock Conservancy’s domestic-population category. It conveys conservation concern without supplying a head count. Its current list and an older breed-profile fact panel may differ; keep each label with its source.
| Source | Reported category |
|---|---|
| 2026 priority list | Watch |
| Individual profile panel | Watch |
Conservation status and source-reported population evidence
A directly verified population measure has not yet been established for this page. Its conservation category remains useful, but does not supply a current head count.
FAO’s DAD-IS keeps domestic breed information by country and maintains population-history tools. A useful statistic retains its date, geography and definition: breeding females, registrations, sampled animals and all living animals are different measures. A historical low point is meaningful history, but should not be presented as a current census.
The Livestock Conservancy: 2026 list · FAO: population-data framework · IUCN: species assessment questions
One hundred animals.
Different breeding foundations.
Compare the same total with different numbers of breeding males and females. This simplified model illustrates why a head count alone cannot describe a population’s genetic future.
These are teaching examples, not estimates for the breed on this page. The formula assumes an idealized breeding population. Relatedness, unequal offspring contributions, changing numbers and overlapping generations require more detailed analysis. It does not predict a specific mating’s inbreeding or recommend a breeding plan.
Model basis: FAO, monitoring animal genetic resources (1992), section 4.2. Further guidance: FAO, In vivo conservation of animal genetic resources (2013).
Sources for general species learning
Sources behind the breed’s story.
The original history, identity and conservation teaching above draws on these cited accounts. Official links open the full material for further study.
Keep learning from official information.
These research portals help locate further material. A search link is a route for exploration; it is separate from the sources used for the article above. Domestic breed information, wild-species assessment, historical books and new research need their own context.
- FAO DAD-IS · Domestic breed information
- IUCN Red List · Species assessments
- Biodiversity Heritage Library · Historical literature search
- USDA National Agricultural Library · Research search
- Google Scholar · Scholarly literature search
- Open Library · Book catalogue search
- HathiTrust · Digitized catalogue search