Why Muslims put cows blood on shivling in mecca?

Answer 1

I am a Muslim and have been to do the pilgrim in Mecca, im sorry but Muslim do not do this, nor is it part of the Muslim faith,it may be that you have been mistaken or if is another ethnic minority performing somthing.But i can assure u Muslims DO NOT do this.

Answer 2

Nothing per Islam teachings calls for this action. However, it may be some local traditions calling for this to avoid bad magic or envy.