Agency says reducing antibiotic use intensity could significantly limit growth in antimicrobial consumption and resistance risks.
Share sale is expected to generate about US$37.6 million for the investor.
Industry groups say the ruling could lead to changes in how official control costs are calculated and recovered.
Ontario government providing up to US$4 million in support through the Invest Ontario Fund.
The meat processor expects the overhaul to deliver efficiency gains worth about US$77.9 million.