I made a grammatical mistake in the title, it should be "Water Buffalo are native to Southeast Asia and the Indian subcontinent [....]"
My apologies, looking forward to your answers!
They are thought to have been imported by the Longobard King Agilulf in about 600 AD . These are thought to have been a present from the Khan of the Avars, a Turkic nomadic tribe from the area near the Danube river.
Mozzarella is not made from water buffalo milk, only a special kind (mozzarella di bufala) is made from it! Regular mozzarella is made from cow milk