This is preaching to the choir, but here is an interesting take on the
relative morality of vegetarianism vs. meat eating:
http://www.eonow.com/opinion/2002/mar/09.shtml
Of course you could say that the rabbits, etc. are killed by accident,
while the cows are killed on purpose. But maybe the only people who
would agonize about the mice killed in an alfalfa harvest are in PETA...
John B