鲍鱼tv

African Swine Fever is a deadly virus killing millions of pigs in Asia and one of the main reasons for its rapid spread is poor bio-security in the region's backyard farms.

Animal disease expert Jose Sanchez-Vizcaino explains why the virus could spell the end for many of these small-scale operators and lead to more industrial pig farms.

(Picture: Pigs. Credit: Getty Images)