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Table 4 Classification of the clinical findings of shoulder ulcers in sows (Lund [22])

From: How effective are clinical pre-farrowing risk assessment and the use of soft rubber mats in preventing shoulder ulcers in at-risk sows?

Score Clinical findings
0 No ulcer; fighting wound
1 Ulceration limited to the epidermis; sometimes covered with a moderate scab
2 Ulcerated dermis, sometimes covered with a scab, usually a small amount of granulation tissue or fibrosis bordering the ulcer
3 Subcutaneous tissue ulcerated, sometimes covered with a scab and accompanied by extensive surrounding granulation tissue or fibrosis
4 Ulceration with exposed bone (tuber spina scapula) accompanied by heavy proliferation of new bone tissue