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Acute Lantana camara toxicity in cattle
N Fourie1, J J Van der Lugt, S J Newsholme
1Section of Toxicology, Veterinary Research Institute, Onderstepoort, Republic of South Africa.
Journal of the South African Veterinary Association
|December 1, 1987
Summary
Acute Lantana camara poisoning caused fatalities in cattle, presenting with jaundice and black feces. Liver and kidney damage confirmed the toxicity in affected animals.
Area of Science:
- Veterinary Toxicology
- Animal Pathology
Background:
- Lantana camara is a toxic plant affecting livestock.
- Poisoning outbreaks require prompt identification and understanding of clinical signs and pathology.
Purpose of the Study:
- To describe an outbreak of acute Lantana camara poisoning in cattle.
- To document the clinical signs, necropsy findings, and clinical pathological changes.
Main Methods:
- Observation of a natural poisoning outbreak in 91 cattle.
- Necropsy and histopathological examination of affected livers and kidneys.
- Experimental dosing of steers with Lantana camara.
Main Results:
- 10 out of 91 cattle died from acute Lantana camara poisoning.
- Clinical signs included icterus (jaundice) and black, soft feces.
- Necropsy and microscopy revealed liver and kidney damage consistent with Lantana camara toxicity.
- Experimental animals showed elevated serum urea and creatinine.
Conclusions:
- Lantana camara poisoning can cause significant mortality in cattle.
- Clinical signs and pathological findings are characteristic of this toxicosis.
- Monitoring of urea and creatinine levels can aid in diagnosis.