放ほう飼し

noun, noun or participle which takes 'suru', transitive verb

free-range rearing; letting animals roam freely; pasturing; releasing insects into the wild

Used for livestock raised in open conditions, or for releasing insects (e.g., for biological control). The noun form is common; the suru-verb form is also used.

• この農のう場じょうでは鶏にわとりを放ほう飼ししている。

  This farm raises chickens free-range.

• 天てん敵てき昆こん虫ちゅうを放ほう飼しして害がい虫ちゅうを防ぼう除じょする。

  They release natural enemy insects to control pests.