Patent ID: 7467599

Claim:
A longitudinally extending trough for supplying piglets with mineral supplements in form of a dry powder mixture, comprising an inner bottom, two end walls preventing the piglets from entering the trough from ends in the longitudinal direction, a first longitudinal outer edge extending substantially a full distance between said two end walls and extending between 0.5 and 6 cm above the inner bottom, and a lip extending inward from said first longitudinal outer edge and for a distance of between 0.5 and 3 cm in a horizontal direction, the trough extending in a longitudinal direction between 5 and 35 cm from one of said end walls to the other, wherein said inner bottom is textured in a pattern, the texture extending vertically from 0.1 to 0.4 cm. from a general surface of the inner bottom and having a horizontal distance between adjacent textures of 0.5 to 3 cm.