Well, SRS, here's what Pfizer says about scours:

Clinical signs

    * Diarrhea
    * Dehydration
    * Rough haircoat
    * Weight loss, weakness
    * Death occurring the first five days of life is usually due to E. coli
    * Sudden death

It affects pigs, calves and other animals, like graduate students who don't drain the oil off the tuna before they add it to the milk-based cream sauce.