BusinessWorldChina's Five-Star Pig Pens Are Latest Weapon in the Superbug WarPiglets seen behind closed doors at Shen Jian-Ping's antibiotic-free pig farm. Photographer: Qilai Shen/BloombergFacebookTwitterLinkedInEmailLinkGiftFacebookTwitterLinkedInEmailLinkGiftBy Bloomberg NewsSeptember 19, 2016 at 5:00 PM EDTBookmarkSave