Cyclopedia of farm animals. Domestic animals; Animal products. 666 SWINE SWINE Duroc-Jerseys are recorded in the Dominion Swine Breeders' Record, but only 1,079 animals have been recorded to date. Literature. "The
Duroc pig - Wikipedia
Duroc Pigs: The Essential Guide | Pet Pig World
Cyclopedia of farm animals. Domestic animals; Animal products. <i0mm Fig. 666. Duroc-Jersey sow. much progress as yet in that country. It is prac- tically unknown outside the United States and Canada.