China places tighter rules on pig feed to prevent ASF spread
17 outbreaks of African swine fever have been reported since August
China has placed tighter restrictions on pig feed as African swine fever (ASF) sweeps across the country.
Seventeen outbreaks of the deadly disease have been reported in seven provinces since August. Nearly 40,000 pigs have been slaughtered to prevent spread of the disease, according to a Ministry of Agriculture and…