Newcastle disease vaccination in captive-bred wild birds
The breeding of wild birds in captivity assumes an increasingly important role in conservation due to the loss of species and their habitats. Providing the environmental and nutritional needs of species kept in captivity is the key for achieving success in such initiatives. Among the flock health practices, we highlight here wild bird vaccination, a scarcely studied subject. This study clinically and serologically evaluates the effect of applying a vaccination protocol against Newcastle disease in three groups of ornamental wild birds. The responses observed in 10 ornamental chickens were compared to those recorded in 12 ring-neck pheasants (Phasianus colchicus), 6 psittacines (2 cockatiels Nymphicus hollandicus, 2 lorikeets Trichoglossus haematodus molucanos, and 2 eastern rosellas Platycercus eximius), and 6 touracos (2 guinea Tauraco persa, 2 white-cheeked Tauraco leucotis, and 2 violet Musophaga violacea). One drop of each live Newcastle HB1 and La Sota vaccines were ocularly instilled on the 1st and 21st experimental days, respectively. On the 112th day, one shot of an inactivated oily Newcastle vaccine was intramuscularly injected. Serum samples were submitted to the Newcastle disease virus antibody Test Kit ELISA-BioChek. Except for the psittacines, other bird species showed a considerable increase in the antibody titers. However, their mean antibody titers differed significantly (P < 0.05) from that recorded in the chickens.
KeywordsBird management and conservation Ornamental wild birds Newcastle Vaccination protocol
Compliance with ethical standards
The study was approved by the Ethics Committee of Animal Use of Universidade Federal do Rio Grande do Sul (Project 26308 - Management of ornamental bird flocks) and was developed considering the national guidelines for care and use of animals.
Conflict of interest
The authors declare that they have no competing interests.
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