Indian Runner duck the Pekin duck. As soon as the Indian Runners became fashionable, a demand for egg-layers and general purpose breeds developed. Using Runners crossed to Rouens, Aylesburys and Cayugas (the large black American breed), William Cook produced his famous Orpington Ducks. Mrs Campbell crossed her fawn-and-white Runner duck to a Rouen drake to create the Campbell ducks introduced in 1898. Later, she introduced wild mallard blood and managed to create the most prolific egg-layer, the Khaki Campbell (announced in 1901). Other breeds followed, some of which emerged as direct mutations of the Khaki Campbell, along with crosses back to Indian Runners,
Flavius of Rouen Flavius of Rouen Saint Flavius of Rouen, also known as Saint Filleul or Saint Flieu, was a 6th-century bishop of Rouen, the 16th in the usual sequence. Flavius was either of Roman origin or of a Gallic family who had knowledge of Rome. He has sometimes been identified as governor of the palace of King Dagobert, but on chronological grounds this is clearly mistaken. He was more probably treasurer or superintendent of finances for either Childebert or Clotaire, the latter being the more likely. He became bishop of Rouen in 525, and attended the councils of Orleans of 533, 538