Idexx Laboratories, Inc. (IDXX) and Zoetis Inc. (ZTS) are two leading publicly traded companies in animal health, spanning household pets and livestock. They operate in similar areas, which makes them worthy of comparison as investments. Zoetis is based in Parsippany, NJ, and IPO’d as a Pfizer (PFE) spinoff in 2013. Idexx Laboratories (hereafter Idexx) is based in Westbrook, ME, and was founded in 1983; it IPO’d in 1991. This is my first coverage of Idexx, but I have covered Zoetis on three previous occasio ...