| digenean fauna in raptors from northeastern argentina, with the description of a new species of strigea (digenea: strigeidae). | the digenean fauna of six species of falconiform birds from northeastern argentina is reported and a new species and several new hosts and geographical records are presented. strigea proteolytica n. sp. (strigeidae) is described from buteogallus urubitinga and distinguished from their congeners by the combination of the following characters: plump body, conspicuous proteolytic gland, forebody with scarce vitelline glands, copulatory bursa with a well developed muscular ring (ringnapf), and absen ... | 2014 | 24872182 |
| rhabdomyosarcoma in a yellow-headed caracara (milvago chimachima). | rhabdomyosarcoma is a malignant tumor originating from rhabdomyoblasts that is rarely reported in domestic animals or in free-living and pet birds. this paper presents a case of rhabdomyosarcoma in a free-ranging yellow-headed caracara (milvago chimachima), originating from the muscle region of proximal left humerus, with metastases in the left pectoral muscles, heart, lungs, and proventriculus. the cytology was suggestive of rhabdomyosarcoma because of malignant features and cytoplasmic cross-s ... | 2010 | 20608546 |
| organochlorine pesticides in feathers of three raptor species in southern brazil. | in this study, we determined the presence of organochlorine pesticides (ocps) in back feathers from three raptor species, phalcoboenus chimango, milvago chimachima and caracara plancus. samples were obtained from live animals and ten ocps were detected: α-hch, β-hch and γ-hch (lindane), heptachlor, heptachlor epoxide, aldrin, endosulfan i, endosulfan ii, endosulfan sulfate and p,p'-dde. the concentrations found were higher than those reported in other raptor species, and c. plancus showed greate ... | 2020 | 31863378 |