Vacuum Cleaner For Dog Hair...
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No best answer has yet been selected by 5029. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Click http://www.straightdope.com/classics/a1_007.html and read Paragraph 2 for two different theories as to the source of a cat's purr. The truth appears to be that nobody is perfectly sure!
Well, Smudge, if you do a Google search using "How do cats purr", you'll get over 700 websites. Even just looking at some of the sites on the first page of results, you'll find such phrases as..."apparently created"..."scientists think"..."it is believed"..."no one really knows" and so on. Even the ones that seem to provide a definitive answer do not offer the same answer!
All-in-all, the jury still seems to be out on this one, despite the view of the single vet you quote. I just thought the questioner should be aware of the doubts.