Peer-reviewed veterinary case report
Calves dying from severe bleeding after chlorophacinone poisoning
By Radke, Scott L et al.·Published in Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·2022·Department of Diagnostic and Production Animal Medicine, United States·View original on PubMed →
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Original publication title: Acute hemorrhage and death in calves following chlorophacinone exposure.
- Species:
- cattle
Plain-English summary
Fourteen young calves suddenly became very sick and died after ingesting a rodent poison called chlorophacinone. The calves showed signs of severe bleeding, including nosebleeds and internal hemorrhaging in various organs. Tests revealed high levels of the poison in their livers, and it was found in the area where the calves were kept. Unfortunately, the exposure to this anticoagulant rodenticide led to their deaths.
People also search for: calf sudden death · chlorophacinone poisoning in calves · calf nosebleed causes · rodent poison effects on livestock
Abstract
Three calves were submitted to the Iowa State University Veterinary Diagnostic Laboratory for diagnostic evaluation following an abrupt increase in morbidity and mortality in a calf herd associated with epistaxis and widespread hemorrhage. Each of the submitted calves had moderate-to-severe hemorrhage within various tissues and body cavities, including the thymus, subcutaneous region of the neck, mediastinum, lungs, pericardial sac, heart, spleen, perirenal fat, urinary bladder, and skeletal muscle, including the diaphragm. An anticoagulant rodenticide screen was performed on the livers of each calf. Significant concentrations of chlorophacinone were detected at 4.2, 3.6, and 2.9 ppm in liver. Multiple piles and an open pail of white powdery material were present within the facility in which the calves were housed and were identified as the sources of chlorophacinone. Acute hemorrhage and death occurred in fourteen 1.5-mo-old, crossbred calves following ingestion of the vitamin K antagonist chlorophacinone.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/35000500/