American Dairymen: is a magazine with products and services for American Dairymen. The main stories in this issue are: National Dairy Board's 25th, It's the silver anniversary of the National Dairy Promotion and Research Program. Replacement Heifers, The production of replacement heifers is on the decline after a five year rebound. Here's why! Product Review: Dairy Mixers. American Dairymen Product Preview, tools and equipment for today's Dairymen.