Exactly which disease outbreak was due to factory farming? SARS, Ebola, and Covid-19 were all caused by wild animals probably hunted/captured by sustenance farm

Exactly which disease outbreak was due to factory farming? SARS, Ebola, and Covid-19 were all caused by wild animals probably hunted/captured by sustenance farmers and kept in a dense, diverse essentially farmers market. This is all the exact opposite of factory farming and the industrial food supply chain we have in the west.