Assertion: prairie dog's litter | /r/CreatedBy | 46 females
Facets:
value: in 1979
type: TEMPORAL
value: in 1980
type: TEMPORAL
Source sentences:
text: For 50 of 52 litters produced by 46 females in 1979 and 1980, an electrophoretic analysis of four blood proteins indicated that the litter was fathered by one of the males in the home coterie.