To help prevent frothy pasture bloat, which grazing practice is recommended?

• A. Mix grass with legumes in forage
• B. Grazing exclusively on lush legume pastures
• C. Increase grazing time on mature grass
• D. Avoid hay before grazing

Answer: (A)

Frothy pasture bloat is more likely when ruminants feed on very lush legume forage, because rapid fermentation produces a stable foam that traps gas in the rumen. Including grass in the forage changes the rumen environment: the structural fiber from grass promotes more chewing and saliva production, and slows digestion, which helps break up foam and reduces gas entrapment. A mixed grass–legume pasture therefore lowers the risk of foam formation compared with grazing on legumes alone. Grazing exclusively on lush legume pastures keeps the bloat-prone conditions, so that option is not protective. The other choices don’t specifically address the foam issue or the rapid intake that legumes promote, making mixed grass and legume forage the best preventive practice.