Bloat is a painful and potentially fatal condition in cattle caused by gas accumulation in the rumen, with distinct management approaches for pasture and feedlot settings.
Bloat is acutely distressing for affected cattle: as rumen gas pressure increases, the diaphragm is compressed, breathing becomes laboured, and the animal shows progressive signs of pain and panic. Death from respiratory failure or cardiovascular collapse can occur within hours of onset without intervention. Prevention is the primary welfare strategy: producers who introduce cattle gradually to legume pastures, use poloxalene drench prophylaxis, and monitor flocks during high-risk periods dramatically reduce bloat incidence. Early detection — twice-daily observation during high-risk periods — enables rapid intervention before distension becomes life-threatening. The welfare cost of bloat is entirely preventable with appropriate management, making it a clear case for producer education and protocol investment.