Antibiotic resistance Sustainability Market Trends Extended Withdrawal Needed to Avoid Penicillin G Residues US - A minimum 51-day withdrawal is necessary if penicillin G is used in pigs destined for processing, according to the American Association of Swine Veterinarians (AASV). 3 September 2013 2 minute read By: Jackie Linden North America Our Partners Lallemand Lanxess Thermo Fisher Scientific Axcentive Jackie Linden More from this author More News View all US pork exports to Japan face intense competition - USMEF Market Trends 29 March 2024 1 minute read US pork exports to Australia continue to build momentum - USMEF Market Trends Markets and economics 29 March 2024 1 minute read January exports more than quadruple over last year German pig population decreases 15% in three years Market Trends 29 March 2024 2 minute read Average number of pigs per farm fell from 826 to 810 Our Partners Lallemand Lanxess Thermo Fisher Scientific Axcentive