Results 31 to 40 of about 1,809 (203)

Avaliação nutricional de rações comerciais e semente de girassol para papagaios-verdadeiros (Amazona aestiva) Nutricional evaluation of commercial foods and sunflower seed for blue-fronted parrot (Amazona aestiva)

open access: yesCiência e Agrotecnologia, 2007
Neste experimento utilizou-se de 12 papagaios adultos, distribuídos em blocos ao acaso em seis tratamentos (T1-Ração extrusada para psitacídeos - A, T2 -Ração peletizada para psitacídeos-B, T3 - Ração extrusada para psitacídeos-C, T4 - Ração para cães ...
Carlos Eduardo do Prado Saad   +3 more
doaj   +1 more source

Accipiter hawks and Common Woodpigeon in Germany [PDF]

open access: yes, 2018
The apicomplexan parasite Sarcocystis calchasi (S. calchasi) triggers pigeon protozoal encephalitis, a neurologic disease in columbids. Accipiter hawks have been identified as the final host, and Columbidae and Psittaciformes as intermediate hosts.
Enderlein, Dirk   +5 more
core   +1 more source

Pathogenesis of Avian Bornavirus in Experimentally Infected Cockatiels

open access: yesEmerging Infectious Diseases, 2012
Avian bornavirus (ABV) is the presumed causative agent of proventricular dilatation disease (PDD), a major fatal disease in psittacines. However, the influencing factors and pathogenesis of PDD are not known and natural ABV infection exhibits remarkable ...
Anne K. Piepenbring   +7 more
doaj   +1 more source

A novel parakeet‐selective feeder for control of invasive psittacines

open access: yesWildlife Society Bulletin, 2023
Over 40 species of parrots, members of order Psittaciformes, have established nonnative populations globally. Monk parakeets (Myiopsitta monachus) are among the most invasive bird species worldwide.
C. Jane Anderson   +6 more
doaj   +1 more source

Avian Bornavirus in Free-Ranging Psittacine Birds, Brazil

open access: yesEmerging Infectious Diseases, 2014
Avian bornavirus (ABV) has been identified as the cause of proventricular dilatation disease in birds, but the virus is also found in healthy birds. Most studies of ABV have focused on captive birds.
Nuri Encinas-Nagel   +8 more
doaj   +1 more source

Australian human and parrot Chlamydia psittaci strains cluster within the highly virulent 6BC clade of this important zoonotic pathogen [PDF]

open access: yes, 2016
Chlamydia psittaci is an avian pathogen and zoonotic agent of atypical pneumonia. The most pathogenic C. psittaci strains cluster into the 6BC clade, predicted to have recently emerged globally.
Bachmann, NL   +4 more
core   +1 more source

Seroprevalence of Chlamydia psittaci in captive macaws (Ara spp.) in the department of Lima, Peru

open access: yesCiência Animal Brasileira, 2018
The presence of Chlamydia psittaci in captive psittacines may have a subclinical presentation, despite its importance in immunosuppressed birds and humans because of its zoonotic potential.
Nancy Carlos, Elizabeth Portuguez Luyo
doaj   +1 more source

Molecular detection of enteropathogenic Escherichia coli in asymptomatic captive psittacines

open access: yesPesquisa Veterinária Brasileira, 2012
Psittaciformes are one of the most endangered groups of birds, and several Brazilian species are classified between vulnerable and critically endangered.
André Becker Saidenberg   +5 more
doaj   +1 more source

A novel feeding platform design for behavioral research on wild Tanimbar corellas (Cacatua goffiniana)

open access: yesFrontiers in Ecology and Evolution
The study of animal behaviour and cognition would not be complete without investigations of wild, free-ranging individuals in their natural environment.
Mark O’Hara   +4 more
doaj   +1 more source

Haematological reference intervals in captive African Grey parrots (Psittacus erithacus)

open access: yesVeterinární Medicína, 2021
The African Grey parrot (Psittacus erithacus) is one of the most popular avian pets in exotic animal practice. In this study, blood samples (n = 459) from healthy African Grey parrots (n = 239) were collected for haematological testing.
Helena Gaspar   +4 more
doaj   +1 more source

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