COLUMBIA, Mo. – University of Missouri Extension specialists are getting reports of illness and death in cows and small ruminants that may have ingested perilla mint.
Perilla mint poisoning of livestock worsens during drought
Perilla mint, a toxic summer annual, is also known as rattlesnake weed, purple mint and beefsteak plant. All parts of it are toxic, and it can cause breathing problems and death in cows and small ruminants.





