ArticleVeterinary research communications2026
Iatrogenic doramectin poisoning in newborn beef calves.
Article in Veterinary research communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Use of pour-on formulations of fluralaner in prophylactic treatments against Cochliomyia hominivorax in newborn calves under extensive grazing systems.Tropical animal health and production · 2026Article
- Overcoming doramectin failure: field efficacy of pour-on 5% fluralaner and an experimental 1% oral formulation for the prevention of Cochliomyia hominivorax-associated umbilical myiasis in newborn calves.Parasites & vectors · 2026Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Doramectin is a safe antiparasitic drug widely used in animal production. However, two outbreaks of doramectin poisoning in newborn calves (Bos indicus) occurred after an accidental overdose of the drug was injected to prevent umbilical myiasis on a Brazilian farm. Affected calves exhibited clinical signs including apathy, sialorrhea, ataxia, and death. After a period of clinical manifestation lasting 24 to 48 h, a total of 91 calves died. Doramectin was found in brain samples from affected calves at a concentration exceeding the upper detection limit (25 µg/kg) of the quantification technique used. Diagnosis was based on history, clinical signs, the absence of significant gross and histopathological lesions, and the detection of doramectin in the brains of necropsied calves. These results highlight the importance of using doramectin with caution in newborn calves. Implementing practices such as weighing neonatal calves, especially leaner individuals, is critical to ensure accurate dosage calculations and to mitigate the risk of doramectin overdose.
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