Veterinary Medicine Library

Lantana (Lantana camara L.)


Clinical Signs

The major clinical effect of Lantana toxicosis is photosensitization, the onset of which often takes place in 1 to 2 days after consumption of a toxic dose (1% or more of animal's body weight). Jaundice is usually prominent, animals usually become inappetent, and they often exhibit decreased digestive tract motility and constipation. Other signs may include: sluggishness, weakness, and transient, sometimes bloody diarrhea. In acute cases, death occurs in 2 to 4 days. Subacute poisoning is more common and may result in death after 1 to 3 weeks of illness and weight loss. Raw photosensitized surface areas are susceptible to invasions by blowfly maggots and bacteria. In severely affected cattle, lesions may appear at the muzzle, mouth, and nostrils. Ulceration may be present in the cheeks, tongue, and gums, while swelling, hardening, peeling of mucous membranes, and deeper tissues occur in the nostrils.

| Description | Distribution | Conditions of poisoning | Toxic principle |

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Comments to: Greg Youngen
Updated on: 01/21/2005 VK, 03/18/1996