How do I find out what plants are poisonous to livestock or horses?
General information for livestock
The University of Illinois Veterinary Medicine Library has a good database of plants toxic to animals (including photos and detailed description of the effects of the plants on animals).
Cornell University has a poisonous plants information database, which is arranged by type of animal, which covers horses, cattle, goats, sheep, poultry and pigs.
Horses
RIRDC has published a guide for horse owners to help them prevent plant poisoning in their horses: Plants Poisonous to Horses: An Australian Field Guide by Melissa Offord. You can download a PDF copy of the guide from the AgriFutures Australia website.
The US animal welfare organisation ASPCA runs a national poisons control centre which includes a list of the most frequently encountered plants that have been reported as having adverse effects on horses (it also provides information on pets).
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