Data contains weight of slaughter pigs measured weekly for 12
weeks. Data also contains the start weight (i.e. the weight at week
1). The treatments are 3 different levels of Evit = vitamin E (dose: 0,
100, 200 mg dl-alpha-tocopheryl acetat /kg feed) in combination with 3
different levels of Cu=copper (dose: 0, 35, 175 mg/kg feed) in the feed.
The cumulated feed intake is also recorded. The pigs are litter mates.