Assertion: brood's number | /r/HasProperty | reduced
Facets:
value: often
type: TEMPORAL
Source sentences:
text: In fact, genetic drift can accumulate at a faster rate during a selective breeding programme because each act of selection creates a bottleneck and the number of families is often reduced.
text: Brood reduction occurs when the number of nestlings in a birds brood is reduced, usually because there is a limited amount of resources available.