Goose Eggshell Peptide Markers

Distinguish swan from graylag geese

Proteomics-based peptide markers enable reliable differentiation of swan goose and graylag goose eggshells for archaeological species identification.

Dou, Haifeng · Liu, Wei · Bennett, E. Andrew · Rao, Huiyun · Yang, Yimin

Journal of Proteomics 2025

Advantages

Novel peptide markers distinguish swan goose and graylag goose eggshells

Three Xitou eggshell specimens attributed to graylag goose

Carbon isotope results indicate geese primarily consumed C3 plants

Shell thickness suggests possible domestication