| Among psittacine species, the Lilac-crowned Parrot had one of the lowest rates of overall nest success. |
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| Psittacine beak and feather disease is a highly contagious and debilitating viral disease that affects wild and captive populations of psittacine birds. |
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| Several studies have also documented the presence and prevalence of Cryptosporidia in fecal samples from psittacine birds. |
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| Strict regulations followed concerning importation of psittacine birds, which undoubtedly reduced the incidence of the disease but did not prevent the intermittent appearance of cases. |
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| Parrots and other psittacine birds are forbidden to enter Great Britain. |
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| Since 1938 none of the birds has been allowed in the city, because of the danger of psittacosis, a kind of virus pneumonia, originally thought to have been transmitted by psittacine birds. |
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| Genotype A is mainly found in psittacine birds and was the most prevalent genotype in our samples. |
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| Two psittacine birds presented a history of prostration and died 18 hours after manifestation of clinical signs. |
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| Little has been reported concerning the influence of aging on the hemogram of psittacine birds. |
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| Caused by a respiratory virus that can infect humans, the disease is better called ornithosis, as it is by no means restricted to psittacine birds. |
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| Sample Records of 7683 psittacine birds, including 525 with advanced atherosclerosis. |
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| Significance of cholesterol assays in the investigation of hepatic lipidosis and atherosclerosis in psittacine birds. |
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| Aspergillosis and candidiasis in psittacine and passeriforme birds with particular reference to nasal lesions. |
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| The role of the syrinx in psittacine sound production is still under examination, and probably differs from that of songbirds. |
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| This is the first report of mesothelioma in a psittacine bird. |
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| Pharyngeal swabs would have been a better choice for testing but psittacine owners are reluctant to catch their birds because stress induces respiratory disease. |
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| None of the revenue from permits is invested in research for Psittacine Beak and Feather Disease, which causes widespread decimation in wild Australian cockatoos and parrots. |
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