70. Is Perennial Ryegrass Changing Your Horse’s Behaviour?

Podcast: Happy Horse Nutrition · MyHappy.Horse

Opublikowano: 2026-09-15

Has your horse suddenly become anxious, spooky, reactive or unpredictable... despite being normally calm and sensible? In this episode, Dr Nerida explores how perennial ryegrass mycotoxins can affect horse behaviour, coordination and performance. Learn about lolitrem B and ergovaline, the toxins associated with ryegrass staggers, tremors, hypersensitivity, exaggerated startle responses, heat intolerance and dramatic behavioural changes. We also look at when perennial ryegrass pasture and hay pose the greatest risk, how quickly horses may improve once exposure stops, and whether mycotoxin binders can actually help. If your horse seems to have had a su...