a new form of bird farming - off topic

To: COG list <>
Subject: a new form of bird farming - off topic
From: Con Boekel <>
Date: Mon, 13 May 2013 21:21:46 +1000
When in the Hoi An area, just south of Da Nang, I noticed from time to time loud speakers on some of the larger houses uttering twittering noises. I also noted that there were swifts flying around the house but it took a while to put two and two together.

Eventually I discovered that these houses would have a room in which edible nest swiftlets were being encouraged to breed. The loudspeakers were swiftlet attracters. I discovered that this form of bird farming is common in Vietnam. While there, we saw newspaper reports about several thousand swiftlets falling dead out of the sky. There was concern about a new form of bird flu. The result was a large and sudden drop in the wholesale and retail price of bird's nest stuff.

I understand that there is concern about the impact of swiftlet farming on wild populations. I am not sure what the specific concerns were.

Despite much effort I remain confused about the species involved.

This link refers to the Malaysian swiftlet farming industry:


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