- Mar 30, 2011
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Here is another academic article about apple cider vinegar. The writer doesn't sound terribly impressed about its uses for birds:
http://dlhunicorn.conforums.com/index.cgi?board=FAQ&action=display&num=1186215242
http://dlhunicorn.conforums.com/index.cgi?board=FAQ&action=display&num=1186215242