放牧

1. Origins, structure, and basic meaning

• Structure: 放牧 (ほうぼく) means releasing livestock to graze on pasture. 放牧する is active; 放牧された passively modifies the animals.
• Basic usage: Cattle are put out at a farm in spring, while sheep already released to a broad meadow are seen scattered about.

2. Common pitfalls and similar expressions

• Husbandry action releasing cattle and animals already at pasture
  • The active object is 牛を; the affected subject of the passive phrase is 羊が. This is a livestock-management method, not an ordinary walk.