Trichomonosis in Garden Birds

Andy and Judith are very fond of their garden birds and Andy has forwarded this warning about Trichomonosis:

This is a horrible disease that appears to be impacting on the bird population in the village.  We have had a number of sick birds and the only way to eradicate it is for us all to stop feeding the birds for a few weeks.  I have spoken to Garden Wildlife Health and they pointed me to this document (click to open in new window).