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Representative skin sections (a, b, c) from the dorsal interscapular region (d, e, f), lateral thoraco-abdominal region and (g, h, i) ventral abdominal region of (a, d, g) Windsnyer (b, e, h), Kolbroek and (c, f, g) Large White pigs. The figure shows a large amount of melanin pigments in the basal layer of the epidermis in the Windsnyer pigs, very little in the interscapular region in the Kolbroek pigs and no melanin pigments in Large White pigs (Fontana staining; objective: 20×).
