[Raven]

Originally Posted by ProfessorM

My dog ate all my semi ripe and green tomatoes, and puked them up all over the lawn. She does it every year. You would think she would learn.

dogs do that because they need vitamin C and they'll absorb some of it
knowing they'll puke...but they don't care because the need for vitamin C is stronger than their distaste for hurling. if you give them vitamin C in their food (on occasion) it stops or lessens their tendancy to do that..