Red Guinea Back Metadata Conservation StatusExtinctLast RecordThe 1880sPlace of BreedingAfrica's Guinea Coast | USAExtinction ReasonCrossbreeding with Spanish and Portuguese pigs to form the Corn BeltReferencesKalk, B. H. (2012). The Extinction of Historic Breeds of Swine. ALBC News, Sept-Dec, 2012, 29(5), 1–20. https://livestockconservancy.org/wp-content/uploads/2021/09/Autumn2012.pdf 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. Porcul negru de Dobrogea Red Hamprace Back to items list