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Toxic Agent

Sennabean plants contain sesbaimide, which is concentrated in the seed. The green and flowering plants are unpalatable; only the mature, dry legumes and seed are consumed. Animals raised in pastures with the plant learn to avoid it and are seldom poisoned. However, naïve cattle, goats or sheep placed on pastures containing dried plants in late fall and winter are often poisoned. Observations of field cases indicate that seeds are much more toxic when they first mature than 2 or 3 months later.

Signs of Livestock Ingestion

Signs of poisoning occur within 1 or 2 days after ingestion and may include: Depression; Diarrhea; Weakness; Rapid heart rate; Labored breathing; Death.

Clinical signs progress rapidly; sick animals often die within 24 hours. Diagnosis is confirmed when seeds and/or seed fragments are found in the rumen contents.

Never seen em around here Barry. I see they are native to S & E TX. Guess it’s too dry for them here.