title: Effect of parental feeding activity on squab-induced crop sac growth in ring doves (streptopelia risoria).
mesh_terms: D000818:Animals; D001835:Body Weight; D010856:Columbidae / Q000502:physiology*; D003426:Crop, Avian / Q000254:growth & development*; D005247:Feeding Behavior / Q000502:physiology*; D005260:Female; D008297:Male; D009929:Organ Size