Assertion: heifer | /r/HasAspect | their first calf
Facets:
value: depending on the breed
type: OTHER
Source sentences:
text: Most heifers have their first calf when they are about two years old, depending on the breed.
text: It’s desirable for a heifer to have her first calf when she’s 2-years-old.
text: Most heifers have their first calf when they are about two years old, depending on the breed.