| retrospective study of fatal pneumonia in racehorses. | respiratory diseases have a major impact on racehorses in training and are often cited as the second most common reason of horses failing to perform. cases were submitted by the california horse racing board to the california animal health and food safety laboratory for postmortem examination between january 1, 2005 and december 31, 2014. we determined the demographics of racehorses with fatal pneumonia, characterized the pathologic findings in animals with a postmortem diagnosis of respiratory ... | 2017 | 28681687 |