Assertion: squab | /r/HasProperty | fed by parent
Facets:
value: on "pigeon's milk"
type: OTHER
Source sentences:
text: Pigeons, unlike other poultry, form pair bonds to breed, and squabs must be brooded and fed by both parents until they are four weeks old; a pair of pigeons may produce 15 squabs per year.
text: When they hatch, the squabs are fed by both parents on "pigeon's milk", a thick secretion high in protein produced by the crop.
text: When they hatch, the squabs are fed by both parents on "pigeon's milk", a thick secretion high in protein produced by the crop.
text: Pigeons, unlike other poultry, form pair bonds to breed, and squabs must be brooded and fed by both parents until they are four weeks old; a pair of pigeons may produce 15 squabs per year.