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Prevalence of skin lesions of piglets estimated on days 3, 10 and 17 and scored mild to severe at carpus in four experimental groups. Rectangles represent Group I – control, triangles represent Group II – with doubled chopped straw, circles represent Group III – Piglet Floor®, and rhombs represent Group IV – Thorocrete SL®. Symbols other than black represent a statistic difference to black within examination day (stripe = p < 0.05; grey = p < 0.01; white = p < 0.001).
