犬细小病毒（CPV）为无囊膜的单股负链DNA病毒，是引起犬急性出血性胃肠炎和幼犬心肌炎的主要病原。
Canine parvovirus ( CPV ) is non-enveloped single stranded negative DNA virus , is a major pathogen of dogs with acute hemorrhagic gastroenteritis and puppies myocarditis .
出血性胃肠炎