Craft microbrewery production grew slightly more than 25% in 2013, reaching 2,320,062 barrels. In all, 304 new breweries opened and only 20 existing ones closed.

The BA reports 119 regionals for 2013, adding more than 1.7 million barrels to craft beer’s total volume. That includes a bumper crop of 20 newcomers to the segment.

The microbrewery segment grew by 33 percent in 2012 as 1,115 micros that produced beer for all or part of the year turned out nearly 2 million barrels.

There are many business models for a modern farmhouse brewery. Some stress traditional brewing methods; others emphasize the use of local ingredients.

In total, production at microbreweries increased 11.8% in 2010. That number doesn’t include the nine breweries that grew out of the category.