| colic caused by panicum maximum toxicosis in equidae in northern brazil. | in the amazon region of northern brazil, panicum maximum cultivars mombaça, tanzânia, and massai cause severe colic and death in horses and mules. the disease occurs in the rainy season, when sprouting pastures are grazed by equidae. in the 8 separate disease outbreaks studied, a total of 52 out of 153 equidae were affected, including 19 that died (10 mules and 9 horses). clinical signs were colic and abdominal dilatation, with a clinical manifestation period of 12 hr to 4 days. serum activities ... | 2009 | 19901296 |