noun
free-range rearing; pasturing; grazing
Used for livestock or poultry allowed to roam freely rather than being confined. Common in agricultural contexts.
この農場では鶏を放し飼いにしている。
On this farm, they raise chickens free-range.
放し飼い
Free-range cattle are said to have less stress.
noun
letting run loose; letting run free
Used for pets (especially dogs) or children allowed to move around without a leash or close supervision. Often implies a lack of restraint.
公園で犬を放し飼いにするのは禁止されています。
Letting dogs run loose in the park is prohibited.
放し飼いの子どもが道路に飛び出して危なかった。
A child who was allowed to run free dashed into the road and it was dangerous.