Heavy reliance on imported soy feed in China’s massive pork industry puts affordable protein supply for its 1.4 billion people at risk amid rising regional conflicts and climate change, a new study has warned.The nation, which relies largely on pork for its protein intake, was “exposed” to risks in access to this essential macronutrient, according to the Protein Sovereignty Index published by a Singapore-registered biotech firm on Friday.China faced a medium level of risk on a global scale, as...