Plant When/where found Symptoms Yew Especially Spring + Autumn Sudden death Breathing difficulties Colic Muscle tremors Weakness Water Hemlock Post flooding Vomiting Wet pastures Diarrhoea Stream banks Bloating Pond edges Convulsions Wet ditches Frothing Looks similar to cow parsley Respiratory failure (which is not poisonous) Sudden death Acorns Late Summer & Autumn Constipation, followed by black watery diarrhoea Depression Loss of appetite Straining to urinate & defecate Collapse Death (within 7 days of onset, usually due to kidney failure) Foxgloves Whole plant is toxic Diarrhoea Seizures Sudden death Rhododendron Sheep and goats more Projectile vomiting susceptible than cattle Salivation Diarrhoea Colic Incoordination/staggering Death Bracken Woodlands, dry, rocky soil. Slow to develop When there is little grazing or Inappetant during the spring when small High fever shoots emerge. Laboured breathing Drooling Bleeding from nostrils Blood in urine + faeces Weakness Convulsions St John’s Wort Anytime Photosensitisation Pastures/roadsides Blistering skin Hair loss Ragwort Pastures Takes weeks or month to develop Hayfield Weight loss Roadsides Diarrhoea Cut, dry plants in hay or Fluid collection under silage (Readily eaten & just jaw/legs/skin/abdomen as toxic) Jaundice Photosensitisation
Plant When/where found Symptoms Yew Especially Spring + Autumn Sudden death Breathing difficulties Colic Muscle tremors Weakness Water Hemlock Post flooding Wet pastures Stream banks Pond edges Wet ditches Looks similar to cow parsley (which is not poisonous) Vomiting Diarrhoea Bloating Convulsions Frothing Respiratory failure Sudden death Acorns Late Summer & Autumn Constipation, followed by black watery diarrhoea Depression Loss of appetite Straining to urinate & defecate Collapse Death (within 7 days of onset, usually due to kidney failure) Foxgloves Whole plant is toxic Diarrhoea Seizures Sudden death Rhododendron Sheep and goats more susceptible than cattle Projectile vomiting Salivation Diarrhoea Colic Incoordination/staggering Death Bracken Woodlands, dry, rocky soil. When there is little grazing or during the spring when small shoots emerge. Slow to develop Inappetant High fever Laboured breathing Drooling Bleeding from nostrils Blood in urine + faeces Weakness Convulsions St John’s Wort Anytime Pastures/roadsides Photosensitisation Blistering skin Hair loss Ragwort Pastures Hayfield Roadsides Cut, dry plants in hay or silage (Readily eaten & just as toxic) Takes weeks or month to develop Weight loss Diarrhoea Fluid collection under jaw/legs/skin/abdomen Jaundice Photosensitisation
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