format
This data frame contains the following columns: Weight, Feed, Time,
Pig, Evit, Cu, Litter.source
Lauridsen, C., H�jsgaard, S.,S�rensen, M.T. C. (1999) Influence of
Dietary Rapeseed Oli, Vitamin E, and Copper on Performance and
Antioxidant and Oxidative Status of Pigs. J. Anim. Sci.77:906-916