Allosaurus are in a pack of 3-4 individuals. So its only best to get a male and female only. Kill the alpha off and tame up the 2 or 3 individuals you trapped. Feed it superior kibble or raw mutton, raw prime meat, or raw meat. The realy thing there good at is defending so if youre to lazy to clear a dangerous area when taming a Ankylo or Doedic take them to help clear off the area while you tame.