Vegetarianism is not what a Christian needs to do.
Jesus said anything can be eaten, if you thank God for it, before hand.
Of course, if you eat meat, there can't be uncooked blood in it.
9: Wherefore my sentence is, that we trouble not them, which from among the Gentiles are turned to God:
20: But that we write unto them, that they abstain from pollutions of idols, and from fornication, and from things strangled, and from blood.