Table 2. Overview of keel length, ossification status and localization of fracture in 32 weeks old birds^a.

	No. of birds	Total keel length (mm)	Length of ossified keel (mm)	Length of cartilage (mm)	Distance bone-cartilage rim to nearest fracture (mm)
No fractures identified	47	117.7±4.1	111.5±4.3	6.2±1.6	N/A
≥1 fracture identified	27	116.6±3.9	110.1±4.4	6.5±1.6	16.4±5.8

^a Cage-free birds.