Saccharomyces pastorianus, or Saccharomyces carlsbergensis: Lager yeast, slower fermentation, performs well at cold temperatures, creates a cleaner beer profile. Saccharomyces cerevisiae: Ale ...

All beer styles belong to either the ale yeast family or the lager one, and the latter definitely conquered the market. Approximately 90% of beers consumed globally are made with lager yeast.

Ale yeast, by nature, ferments at a warmer temperature than lager yeast, and so is typically kept in tanks heated to a minimum of 60 degrees F during that all-important fermentation.

The team believes that it was actually the top-fermenting ale yeast S. cerevisiae that contaminated a batch of beer brewed with the cold-tolerant S. eubayanus.

ABV: 7.7% Average Price: $12 for a four-pack The Beer: This year-round favorite from the iconic Brewery Ommegang is brewed with Pilsner malt, flaked corn, and ale yeast. It gets its floral kick ...

At its most basic, kölsch is a German beers that's like a mash-up of an ale and lager. It's made with ale yeast but, like a lager, it's top-fermented—meaning yeast accumulates on the top of the ...

Originating in Cologne, Germany, the Kölsch beer technique requires fermenting with ale yeast, then finishing at cold temperatures, like a lager.