I support what you say David. There is also a definite down side in terms
of possible international spread of disease. Circovirus (Psittacine Beak
and Feather Disease) is endemic in our wild bird populations and has been
spread from the Australiasian region to Europe, North America and now South
America via aviculture. The first case of circovirus in South America was
reported on the net in May. This is a worry as South American
Psittaciformes are naive to the disease and the potential for spread in
wild populations in such circumstances is not known.
Pat
Patricia Macwhirter BVSc (Hons), MA, FACVSc
Registered Specialist in Bird Medicine
Highbury Veterinary Clinic, 128 Highbury Road, BURWOOD, VICTORIA, AUSTRALIA
>The classic examples of wildlife harvesting having positive affects for the
>conservation of the species appear to be the "big game" animals in Zimbabwe
.......>
>I have, however, yet to see anyone argue for any real positive outcomes
>arising from the harvesting of bird species, such as Red-tailed Black
>Cockatoos.
>
>David Geering
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