| Domestic goose | |
|---|---|
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| An Emden goose, a breed derived from the Greylag goose (Anser anser). Domestic geese derived from the greylag goose have the trinomial name A. anser domesticus | |
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| A Chinese goose, a breed derived from the swan goose (Anser cygnoides). It has the trinomial name A. cygnoides domesticus | |
Domesticated
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Anseriformes |
| Family: | Anatidae |
| Tribe: | Anserini |
| Genus: | Anser |
| Species: | |
A domestic goose is a goose that humans have domesticated and kept for their meat, eggs, or down feathers, or as companion animals. Domestic geese have been derived through selective breeding from the wild greylag goose (Anser anser domesticus) and swan goose (Anser cygnoides domesticus).