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- Meyerholtz, Kimberly A.; Burcham, Grant N.; Miller, Margaret A.; Wilson, Christina R.; Hooser, Stephen B.; Lee, Stephen T.
- poisonous plants, etc ; Ageratina altissima; beef cows; gas chromatography; heart; liver; mass spectrometry; muscles; necropsy; poisoning; rumen; tongue; Indiana; Show all 13 Subjects
- ... An 8-year-old, crossbred beef cow was referred to the Indiana Animal Disease Diagnostic Laboratory at Purdue University for a complete necropsy in October 2009. The cow was the sixth to die in a 7-day period. Affected cows were reportedly stumbling and became weak, excitable, and recumbent. Histologically, myonecrosis was severe in the skeletal muscles and mild in the heart and tongue. According t ...