| pathologic manifestations of experimentally and naturally acquired lungworm infections in opossums. | experimentally induced and naturally acquired lungworm infections (didelphostrongylus and capillaria) were studied in opossums, didelphis marsupialis. each of 4 helminth-free opossums were experimentally infected with 250 3rd-stage didelphostrongylus hayesi larvae. at 2 and 8.5 months after infection, 2 animals were necropsied. hypertrophy of pulmonary smooth muscle characterized d hayesi infections, with lesions pronounced in the vicinity of helminths. there was mucous bronchitis characterized ... | 1977 | 851287 |
| didelphostrongylus hayesi gen. et sp. n. (metastrogyloidea: filaroididae) from the opossum, didelphis marsupialis. | didelphostrongylus hayesi gen. et sp. n. from the opossum, didelphis marsupialis, is distinguished from other genera of the angoistrongylinae by the structure of the dorsal and lateral rays, complex gubernaculum, and ovoviviparity. third-stage larvae developed in mesodon perigraptus and triodopsis albolabris. the prepatent period was 22 days in experimentally infected opossums. | 1976 | 1263038 |
| fatal lungworm infection in an opossum. | a 3-mo-old male, feral opossum (didelphis virginiana) was presented to the university of tennessee college of veterinary medicine (usa) for evaluation of prolonged dyspnea. the animal died shortly after examination and a necropsy was performed. the cause of death was attributed to a verminous pneumonia, associated with numerous intrabronchial and intrabronchiolar nematodes, subsequently identified as didelphostrongylus hayesi. | 1989 | 2716108 |
| a retrospective study of 11 cases of lungworm (didelphostrongylus hayesi) infection in opossums (didelphis virginiana). | a juvenile, female north american opossum (didelphis virginiana) died of verminous pneumonia caused by didelphostrongylus haysei despite aggressive treatment with oral fenbendazole, corticosteroids, and antibiotics. this prompted a retrospective study of lungworm infection in opossums, during which 19 additional necropsy reports from opossums were reviewed. including the subject of this report, a total of 11 (55%) of these cases included a diagnosis of lungworm infection. this diagnosis was cons ... | 2002 | 12398306 |
| helminths of the virginia opossum didelphis virginiana (mammalia: didelphidae) in mexico. | the goal of this study was to provide further information about helminth parasites of virginia opossum didelphis virginiana kerr, 1792 from mexico. during routine faunal investigations between 1958 and 2001, 101 opossum were necropsied. nineteen taxa of helminths were collected, representing 13 genera from hosts in 27 localities from mexico. there are 58 new locality records, with 6 species recorded in mexico for the first time: brachylaima virginiana dickerson, 1930; cruzia americana mapleston, ... | 2005 | 15856909 |
| evaluation of cruzia americana, turgida turgida, and didelphostrongylus hayesi infection in the virginia opossum (didelphis virginiana) and risk factors along the california coast. | three nematodes, turgida turgida, cruzia americana, and didelphostrongylus hayesi, have been documented to cause morbidity and mortality in the virginia opossum (didelphis virginiana). the present study was designed to determine the frequency of infection of these nematodes in opossums at 2 study sites in california and to determine if there are risk factors associated with shedding of eggs or larvae in the feces. turgida turgida and c. americana adults were found in 84.4% (stomach; n = 45) and ... | 2008 | 18973414 |
| lungworm heterostrongylus heterostrongylus travassos, 1925 from the black-eared opossum in south america: morphologic, histopathological and phylogenetic aspects. | nematode parasites of the cardiopulmonary system of livestock and pet animals have been receiving attention due to the pathogenic effects they produce in the course of the infection. however, parasitism in wild animals by metastrongilid nematodes has been neglected, resulting in potential risk to wildlife. heterostrongylus heterostrongylus is the etiological agent of bronchial pneumonia in the black-eared opossum, didelphis aurita, a widely distributed marsupial frequently reported to inhabit ar ... | 2016 | 27692317 |