...+ Gradual increase in scale and geographic diversification, along with sound operating efficiency, has improved Brazil-based protein processor Minerva S.A.'s cash flow generation. + We're affirming our '##-' global scale corporate credit and debt ratings on the company. We're also revising the outlook on this credit rating to positive from stable. + At the same time, we're raising our national scale corporate credit rating on Minerva to 'brA+' from 'brA'. The outlook on this rating is also positive. + The positive outlook reflects an at least one-third of a chance of an upgrade in the next 12-18 months if Minerva deleverages as it uses its positive free cash generation to pay down debt while maintaining its strong liquidity. SAO PAULO (Standard & Poor's) March 23, 2016--Standard & Poor's Ratings Services affirmed its '##-' global scale corporate ratings on Minerva S.A. At the same time, we revised the outlook on this credit rating to positive from stable. We also raised our national scale...