UC Davis Department of Animal Science: http://animalscience.ucdavis.edu/extension/index.htm

Resources for and about the Dairy Industry (DAIReXNET): http://www.extension.org/dairy_cattle

Television Coverage of Dairy Heat Stress: http://www.khsltv.com/content/localnews/story/Dairy-Industry-Milked-By-Recession-Heat/4AAlO-j78EChv8cSUTkybg.cspx