amblyomma dissimile koch (acari: ixodidae) attacking primolius maracana vieillot (psittaciformes: psittacidae) in the amazon region, state of pará, brazil. | the tick amblyomma dissimile koch feeds preferentially on reptiles (squamata), although amphibians (anura) also seem to be important hosts. we report an a. dissimile nymph infesting a blue-winged macaw, primolius maracana, held in captivity in the mangal das garças park, state of pará, brazil. environmental observations suggest that free-living iguanas (iguana iguana), which used to walk on the bird enclosure in the park, were the source of the a. dissimile tick that infested the blue-winged mac ... | 2011 | 21952971 |
fatal proventricular dilatation disease in captive native psittacines in brazil. | an outbreak of proventricular dilatation disease (pdd), a fatal inflammatory disease of psittacines (aves: psittaciformes), is described in native brazilian psittacines. twenty captive psittacines that died of suspected pdd were necropsied and 10 were submitted to histopathology, reverse transcriptase pcr (rt-pcr), and immunohistochemistry (ihc) for avian bornavirus (abv). examined species were one pileated parrot (pionopsitta pileata), three vinaceous-breasted parrots (amazona vinacea), two blu ... | 2014 | 24758135 |