free-range
US /ˈfriː.reɪndʒ/
UK /ˈfriː.reɪndʒ/

1.
campero, de corral
of a domestic animal) kept in natural conditions, with freedom to roam.
:
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We only buy free-range eggs from local farms.
Solo compramos huevos de gallinas camperas de granjas locales.
•
The farm specializes in free-range chickens and pigs.
La granja se especializa en pollos y cerdos de crianza al aire libre.