Assertion: tag | /r/HasProperty | the left
Facets:
value: usually
type: DEGREE
Source sentences:
text: Sheep and goats in the EU have a tag in one or both ears carrying the official number of their flock and also for breeding stock an individual number for each animal; one of these tags (usually the left) must have a RFID chip (or the chip may instead be carried in a rumen bolus or on an anklet).