Fermoale AY4 has been specifically bred for high fermentation and production of ale beers, IPA, stouts, porters, and other specialty beers. Fermoale AY4 is originated from the USA and is used in numerous breweries and microbreweries.
Fermoale AY4 allows fast fermentations with good fermenting capacities. Fermentation time is about 4 to 5 days at a temperature of 20°C. Fermentation yield is high with a good flocculation.