Livestock

Cattle Bloat: Prevention and Welfare Management

Understanding and preventing bloat in cattle to protect welfare and production.

Key Facts

Bloat occurs when gas cannot escape from the rumen
Frothy bloat from legume-rich pastures is most common
Free gas bloat can result from physical obstruction of the oesophagus
Untreated severe bloat can be fatal within hours

Welfare Considerations

Bloat causes acute abdominal pain and respiratory distress. Welfare-focused prevention includes careful pasture management when transitioning cattle to lush legume swards, use of anti-bloat agents, and monitoring of grazing behaviour. Emergency treatment relieves distress rapidly when applied promptly.

What You Can Do

Introduce cattle gradually to legume-rich pastures
Use anti-bloat oils or blocks as preventive measures on high-risk pastures
Train staff to recognise signs of bloat and respond rapidly