This article incorporates text from "Diseases of Swine (8th edition)". According to its copyright statement, "Copyright is not claimed for Chapters 17, 23, 25, 31, and 64, which are in the public domain.".
This article incorporates text from "Diseases of Swine (8th edition)". According to its copyright statement, "Copyright is not claimed for Chapters 17, 23, 25, 31, and 64, which are in the public domain.".
