| isolation and molecular characterization of a new muscovy duck parvovirus from muscovy ducks in the usa. | between 1997 and 1999 several cases of a new disease in muscovy ducks were reported in pennsylvania, usa. the cases were characterized by locomotor dysfunction, weakness, recumbency, 40 to 60% morbidity and 10 to 40% mortality. the most characteristic microscopic lesions were moderate to severe degenerative rhabodomyopathy. in order to characterize the aetiological agent, virus isolation was attempted from the spleen, liver, heart, skeletal muscle and intestine by inoculation of 14-day-old musco ... | 2006 | 17121731 |