Assertion: colony's area | /r/MadeOf | less than 80% viable brood
Facets:
Source sentences:
text: The condition of the quality of the brood pattern was also noted with areas of capped brood containing less than 80% viable brood (as indicated by cells empty of brood) were considered “spotty” while those brood patterns that had less than 20% brood mortality were considered “solid”.