Assertion: sow | /r/Desires | stimulation
Facets:
value: from piglets
type: OTHER
value: before milk let-down
type: TEMPORAL
Source sentences:
text: Nursing occurs every 50–60 minutes, and the sow requires stimulation from piglets before milk let-down.
text: Nursing is frequent, every 50–60 minutes, and the sow requires stimulation from piglets before milk let-down.