Publications

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occurrence of velogenic viscerotropic newcastle disease in pet and exotic birds in 1991.in 1991, velogenic viscerotropic newcastle disease (vvnd) was diagnosed in domestic psittacine birds in six states: illinois, indiana, michigan, texas, california, and nevada. in the first four states, the disease assumed outbreak proportions. the affected psittacine birds--yellow-headed amazon parrots (amazona ochrocephala oratrix), yellow-naped amazon parrots (amazona ochrocephala auropalliata), cockatiels (nymphicus hollandicus), and conures (unknown species)--exhibited respiratory and/or cen ...19938452504
successive discrimination reversal performance by the greater hill myna. 19665918249
disseminated aspergillosis in a mynah bird.chronic nodular disseminated aspergillosis caused the death of a 9-month-old mynah bird (gracula religiosa intermedia). the disease was diagnosed at postmortem examination, although it was suspected in the terminal state. it was unresponsive to various antibiotics and sulfonamides. clinical signs consisted of feather ruffling, anorexia, weight loss, episodes of diarrhea, and finally orthopnea, dyspnea, and severe lethargy. terminally there was right hemiparesis involving the right upper lid and ...196622413209
successful treatment of idiopathic pancreatic insufficiency in a greater indian hill mynah (gracula religiosa). 1979261011
dendritic spine loss and enlargement during maturation of the speech control system in the mynah bird (gracula religiosa).three types of neurons were identified in golgi-cox preparations of the telencephalic nucleus hvc of the mynah bird with the sholl method. in a comparison of birds of 10 weeks and speech-trained birds of one year of age a reduction of dendritic spine density and an enlargement of the remaining spines was found in a large isopolar cell type. these findings are interpreted in terms of the mynah's shrinking potential with age to imitate new sounds and the stabilization of the acquired repertoire.19827088414
[large coccidian tissue cysts in the brain of gracula religiosa (aves:sturnidae)]. 19836650028
sarcocystis kirmsei in the brain of a hill mynah (gracula religiosa).cysts of sarcocystis kirmsei were found in the brain of an exotic bird. the morphological appearance of this protozoon and the changes in the brain tissue are described. this is the second report of s. kirmsei in the brain of a hill mynah, and the third report of this parasite in the avian brain. the affiliation of s. kirmsei to the genus sarcocystis was confirmed. on the basis of our findings, the genus frenkelia, which comprises two species affecting the brain of small mammals, becomes synonym ...19989500242
intracutaneous keratinising epithelioma in a mynah bird (gracula religiosa). 200616415234
radiology of the avian skull.a standard radiographic anatomy of the skulls of three genera of birds (psittacines, accipitrines, passerines) is worked out and illustrated by drawings. the african grey parrot is described as a standard. all detectable anatomical structures are identified and set into relationship to discernable structures in cockatoos (cacatua galerita galerita), common buzzards (buteo buteo) and mynah birds (gracula religiosa).19911907062
loss of the gene for the alpha subunit of atp synthase (atp5a1) from the w chromosome in the african grey parrot (psittacus erithacus).this study describes the results of an analysis using southern blotting, the polymerase chain reaction, and sequencing which shows that the african grey parrot (psittacus erithacus) lacks the w-chromosomal gene for the alpha subunit of mitochondrial atp synthase (atp5a1w). additional evidence shows that in other psittacines a fragment of the atp5a1w gene contains five times as many nonsynonymous nucleotide replacements as the homologous fragment of the z gene. therefore, whereas in these other p ...200111479684
molecular investigation of cryptosporidium in small caged pets in northeast china: host specificity and zoonotic implications.this study screened 151 pet-derived fecal specimens randomly collected from four commercial markets in northeast china for the presence of cryptosporidium by genus-specific nested pcrs of the small subunit rrna gene. of these, 14 specimens (9.3 %) from nine species of birds, two types of rodents, and a hedgehog were positive for cryptosporidium. sequence analysis on the pcr-positive isolates facilitated identification of three cryptosporidium species (c. baileyi, c. galli, and c. ubiquitum) and ...201627107987
[relations between the ectosomatic and the entosomatic organs].a.n. severtsov, when introduced the concepts of ecto- and entosomatic organs, illustrated them by three examples of adaptations, namely by the blindness of some subterranean vertebrates, by the "suckers" on the geckos' fingers and toes, and by the flattened body shape of skates and rays. morphology of the pterygoideus muscle in some song-birds, which is one of the most complicated jaw muscles, is considered here in the framework of those concepts. this muscle displays mosaic variation among bird ...201018669305
complete coding sequence of usutu virus strain gracula religiosa/u1609393/belgium/2016 obtained from the brain tissue of an infected captive common hill myna (gracula religiosa).the complete and annotated coding sequence and partial noncoding sequence of an usutu virus genome were sequenced from rna extracted from a clinical brain tissue sample obtained from a common hill myna (gracula religiosa), demonstrating close homology with usutu viruses circulating in europe.201728336592
iron storage diseases in birds.parenteral iron is toxic to many species but, because the uptake of iron from the diet is regulated in the intestine, acute intoxication is not seen under natural conditions. chronic ingestion of large amounts of absorbable iron in the diet can lead to the storage of iron in the liver in many species, including humans. the excess iron is stored within hepatocytes as haemosiderin and can be quantitatively assessed by liver biopsy or at necropsy using special stains such as perls iron stain and/or ...200019184782
iron metabolism in mynah birds (gracula religiosa) resembles human hereditary haemochromatosis.iron overload is a very frequent finding in several animal species and a genetic predisposition is suggested. in one of the most commonly reported species with susceptibility for iron overload (mynah bird), it was recently shown that the cause of this pathophysiology is high uptake and retention of dietary iron. here we compare susceptible (mynahs) with non-susceptible avian species (chickens) by evaluating iron uptake at the intestinal absorptive cell level. enterocytes from mynahs and chickens ...200314676014
acoustic and articulatory correlates of stop consonants in a parrot and a human subject.general acoustic patterns in productions of american english stops /p,b,t,d,k,g/ by a grey parrot (psittacus erithacus) and his primary human trainer are identified. comparisons demonstrated both differences (coherence of voicing [/p,t,k/ and /b,d,g/] and place [/p,b/, /t,d/, and /k,g/] subsets, predictive power of measures related to f1 and f3) and similarities (categorical distinctions among stop consonants) in acoustic properties of psittacine and human speech. the authors suggest how acousti ...19989566339
systemic nocardiosis in a hill mynah (gracula religiosa). a pathological study. 19724118169
pathogenicity and immunogenicity of mynah pox virus in chickens and bobwhite quail.an avian pox virus was isolated from cutaneous proliferative lesions removed from greater hill mynahs (gracula religiosa) imported from malaysia. cutaneous inoculation of specific pathogen-free chickens and bobwhite quail with the mynah pox virus resulted in severe proliferative cutaneous lesions similar to those seen in the naturally infected mynah birds. microscopically, the reaction in the chickens and quail at sites of virus inoculation was characterized by marked epithelial hyperplasia with ...19892547209
tapeworms from philippine birds, with three new species of raillietina (raillietina).13 species of cestodes from 13 species of philippine birds are reported from palawan island. raillietina (r.) palawanensis n. sp., from chalcophaps i. indica, has three or four testes, and a cirrus pouch 93 to 108 mum long, 28 to 45 mum wide, and its egg capsules are 10 to 12 mum long, seven to nine mum wide, each containing four to six eggs. raillietina (r.) passeriformicola n. sp., from gracula religiosa palawanensis, has seven to nine testes, and a cirrus poucch 134 to 170 mum long, 47 to 68 ...1976987093
isospora dipperia n. sp. (apicomplexa: eimeriidae) from the american dipper cinclus mexicanus swainson (passeriformes: cinclidae) in yosemite national park, usa.isospora dipperia n. sp. is described from the feces of the american dipper cinclus mexicanus swainson collected in yosemite national park, california, usa. sporulated oöcysts of the new species are subespherical, 20-24 × 17-21 (20.9 × 18.7) μm, with a length/width (l/w) ratio of 1.0-1.1 (1.1); one polar granule is present, but micropyle is absent. sporocyts are lemon-shaped, 14-16 × 8-11 (15.5 × 9.8) μm, with a l/w ratio of 1.6; prominent stieda and sub-stieda bodies are both present, but para- ...202032253576
investigation of object-based attention in pigeons (columba livia) and hill mynas (gracula religiosa) using a spatial cueing task.in previous research, pigeons and hill mynas that performed differently on an object permanence task were presumed to attend to objects in different ways (plowright, reid, & kilian, 1998). in the current study, we conducted 4 experiments to investigate if the attention of hill mynas and pigeons is object-based and if there are species differences in their visual-attentional processes. in experiment 1, pigeons were tested in a spatial cueing task requiring them to respond sequentially to a cue an ...202031318224
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