Toxicity of Cassia occidentalis in the horse.

The research article discusses an experiment involving three Shetland ponies that were given a single dose of Cassia occidentalis seeds and the resulting toxicity symptoms that were recorded.

Experiment Overview

• The study was set up with the primary aim of investigating the impacts of Cassia occidentalis seeds on horses. Cassia occidentalis is a widespread tropical plant known to cause toxicity in several species.
• The researchers administered a single oral dose of ground Cassia occidentalis seeds suspended in water to three Shetland ponies.

Toxicity Symptoms and Diagnosis

• The effects were observed and recorded. The animals exhibited symptoms that were similar to those observed in both naturally occurring and experimental cases in cattle.
• The symptoms that developed were indicative of Cassia Occidentalis poisoning. These included a non-feverish state, lack of coordination, lying down body posture, and unfortunately, death.
• Along with these clinical signs, the researchers also found increased levels of certain blood enzymes including blood alkaline phosphatase, CPK, LDH, and SGOT indicating metabolic complications and possible organ damage due to the plant toxicity.
• From a microscopic perspective, the researchers identified segmental necrosis of skeletal muscle fibers even though such lesions were not evident during macroscopic examination.

Conclusion and Recommendations

• The researchers concluded that horses stand a risk of getting poisoned by Cassia occidentalis and the resulting symptoms and biochemical changes can be used for differential diagnosis.
• When Cassia poisoning is suspected in horses, it is recommended to confirm whether the horses had access to the plant in order to affirm the diagnosis.