What are Brettanomyces? Winemaker Randall Graham explains. Also, Horse Farts!

Brettanomyces, the spoilage yeast, occurs naturally in warmer vineyards and cellars. Wines lower in acid or higher in pH are vulnerable. Randall Grahm of Bonny Doon Vineyards explains that this is a wine spoilage yeast that produces taints in wine commonly described as barnyard or band-aids, but that in small amounts, it can be delicious.

See all of our videos with winemaker Randall Grahm of Bonny Doon Vineyards: http://www.youtube.com/playlist?list=...

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