As of Feb. 18, three more horses had tested positive for a CEM-like organism in Kentucky. A Paint stallion and two pregnant mares were cultured positive for the organism on the original nurse mare farm in Kentucky where the organism that cause”P>As of Feb. 18, three more horses had tested positive for a CEM-like organism in Kentucky. A Paint stallion and two pregnant mares were cultured positive for the organism on the orig”>As of Feb. 18, three more horses had tested positive for a CEM-like organism in Kentucky. A Paint stallion and two pregn”As of Feb. 18, three more horses had tested positive for a CE”s