Table 2.

Number of certain lesions in left and right knee joints of 60 sows.

Score	Femur
	Medial condyle								Lateral condyle
	Erosion		Ulceration		Repair		Infolding		Erosion		Ulceration
	L	R	L	R	L	R	L	R	L	R	L	R
0	34	30	36	34	38	33	38	30	38	36	38	34
1	5	4	0	1	0	3	2	4	0	0	1	2
2	1	2	4	1	2	0	0	2	2	0	1	0

Score: 0 = no lesion; 1 = moderate lesion; 2 = severe lesion. L = left side; R = right side