By Caroline Long
Avian influenza has killed large numbers of wild birds and poultry this year. David Frame, veterinarian and USU extension poultry specialist, said this outbreak has been especially deadly.
“We have had some exotic strains of influenza in the past, but nothing that has been this devastating to the industry. And the reason is because it kills, and kills the birds very quickly,” Frame said.
While birds infected with avian influenza may present with nasal discharge or other symptoms, Frame said the most consistent effect is death.
“The thing that bird owners are going to notice more than anything else is they go out, and if they've got 20 birds, there may be five of them dead today, and then all of them but one or two might be dead the next day,” Frame said.
Frame said influenza can spread to poultry by direct contact with wild birds or via contaminated surfaces.
“The big thing with influenza is that it's tracked very easily. And so people can track it around," he explained. "That virus is very, very infectious. It doesn't take much, just … the litter on a head of a pin is enough to easily infect another 20,000-bird flock. And that’s the main situation. … Biosecurity — in other words, keeping things in and keeping things out — is really what’s playing a role in a lot of these commercial outbreaks,” Frame said.
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