The Drone Ranger wrote:
[QUOTE=When the requeened bees were shaken on to new foundation and fed the chalkbrood dissapeared
That hive has stayed clear this year.
Len Heath did some sterling work on Chalkbrood some years ago.
Using his study assisted in the work mooted in the pasted link!
[url]www.moraybeedinosaurs.co.uk/Varroa/chalk.htm[/url]
Professor Len Heath investigated the disease ... The CABA apiary bees exhibited negligible chalk brood this year 2008 and again the Open Day on 20th July ...