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Senecio, more commonly known as ragwort, gifbossie or dunsiekte bossie is the name given to the toxic plant common in paddocks, that has yellow, daisy-like flowers. It is highly toxic to horses but is difficult to identify, since there are at least five different species in South Africa . The toxic principle is a pyrrolizidine alkaloid and can affect the intestinal and neurologic system, the liver and skin. Intestinal (Acute): colic and severe diarrhoea Liver (Chronic): weight loss, depression, colic, diarrhoea, icterus, dark coloured urine Neurologic (Chronic): depression, yawning, aimless wondering, head pressing, draggin hooves, difficulty swallowing, blindness, circling, abnormal gait, coma. Skin (Chronic): photosensitivity (sensitivity to the sun), skin inflammation, itching, hair loss All parts of the plant may be toxic. 
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