No purpose of the use | Crossbreeding with the Chinese
References
American Agriculturist. (1887) (Vol. 46). New York, NY: Orange Judd Company.
Porter, V., Alderson, L., Hall, S. J. G., & Sponenberg, D. P. (2016). Mason’s World Encyclopedia of Livestock Breeds and Breeding: 2 Volume Pack (1st ed.). Wallingford, Oxfordshire, UK: CABI.
Scherf, B. D., & Pilling, D. (Eds.). (2015). The Second Report on the State of the World’s Animal Genetic Resources for Food and Agriculture. The Second Report on the State of the World’s Animal Genetic Resources for Food and Agriculture. http://www.fao.org/3/a-i4787e.pdf
Spencer, S. (1919). THE PIG BREEDING, REARING, AND MARKETING. London, UK: C. Arthur Pearson Ltd.
YOUATT, W. (1847). The Pig: A Treatise on the Breeds, Management, Feeding, and Medical Treatment, of Swine; with Directions for Salting Pork, and Curing Bacon and Hams. Cradock and Company.