RSS feed in 10.x is not recognised as an RSS feed

Error message from dlvr.it says https://www.vetsurgeon.org/news/b/veterinary-news/rss is an html page, not an rss feed

Any thoughts, anyone?!



edited title
[edited by: Arlo Guthrie at 2:07 PM (GMT 0) on Mon, Dec 23 2019]