| BYTE[4] | 'e' 'g' 'g' 'f'' | The egg file specifier |
| BYTE | Gender | 0=random, 1=male, 2=female |
| BYTE | Image | 0..16 - Egg Image for Hatchery. |
| LONG | Reserved1 | Must be Zero |
| LONG | Reserved2 | Must be Zero |
| BYTE[4] | MumMoniker | The moniker of the mother. |
| BYTE[4] | DadMoniker | Can be 0,0,0,0 for virgin birth. |
| LONG | DescriptionSize | Length in bytes of the Egg description. |
| BYTE[] | Description | If DescriptionSize is 0, then there are no bytes here. |
| LONG | MumGenSize | Size in bytes of Mum Genetics file |
| BYTE[] | MumGenetics | Mother Genetics file. |
| LONG | DadGenSize | Size in bytes of Dad Genetics file - Not here if no father |
| BYTE[] | DadGenetics | Father Genetics file. Not here if no father. |