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Table 5 Maximum expression of clinical shoulder ulcer score throughout day 2 to 18 of the lactation period in the three study groups (frequency; % in parentheses)

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

  Shoulder ulcer score
Study group 0 1 2 3 4
Non-at-risk sows 358 (77.0) 97 (20.9) 8 (1.7)b 2 (0.4)b 0 (0.0)
No-RMa at-risk sows 38 (37.6) 49 (48.5) 11 (10.9)b 2 (2.0)b 1 (1.0)b
RM at-risk sows 49 (52.7) 36 (38.7) 7 (7.5)b 1 (1.1)b 0 (0.0)
  1. aRM = rubber mat
  2. bSows received a treatment with Meloxicam injection, zinc ointment and rubber mat