Andromeda Gamma Epsilon

Andromeda Gamma Epsilon was a planet in the Andromeda Galaxy that served as the location for the Wirrn breeding colonies. (PROSE: Doctor Who and the Ark in Space) It was inhabited by cattle which the Wirrn used as hosts for their hatchlings. However, when humans expanded into Andromeda, they fought the Wirrn for a thousand years and destroyed the breeding colonies. (TV: The Ark in Space)