You need to have a look at the numbers globally. And include all the deforestation done to clear space for growing soy beans (later used to feed farmed animals).
some sources below
Margulis, Sergio. "Causes of Deforestation of the Brazilian Amazon". World Bank Working Paper No. 22. 2003
Tabuchi, Hiroko, Rigny, Claire & White, Jeremy. "Amazon Deforestation, Once Tamed, Comes Roaring Back". New York Times. February 2017(New)
Bellantonio, Marisa, et al. "The Ultimate Mystery Meat: Exposing the Secrets Behind Burger King and Global Meat Production". Mighty Earth (New)
Oppenlander, Richard A. Food Choice and Sustainability: Why Buying Local, Eating Less Meat, and Taking Baby Steps Won’t Work. . Minneapolis, MN : Langdon Street, 2013. Print.
some sources below Margulis, Sergio. "Causes of Deforestation of the Brazilian Amazon". World Bank Working Paper No. 22. 2003
Tabuchi, Hiroko, Rigny, Claire & White, Jeremy. "Amazon Deforestation, Once Tamed, Comes Roaring Back". New York Times. February 2017(New)
Bellantonio, Marisa, et al. "The Ultimate Mystery Meat: Exposing the Secrets Behind Burger King and Global Meat Production". Mighty Earth (New)
Oppenlander, Richard A. Food Choice and Sustainability: Why Buying Local, Eating Less Meat, and Taking Baby Steps Won’t Work. . Minneapolis, MN : Langdon Street, 2013. Print.