File regarding bacterial examination of perch regarding them potentially be killed by a 'mystery disease' in Windermere Newspaper cutting from the guardian (22 September 1976) entitled 'Mystery disease kills off perch in lake [Windermere]' referring to Freshwater biologists working on disease. Photocopied article from Bolton evening news January 21 1976 entitled 'The mystery plague that lurks in lake Windermere' by Tom MacNaaca
Includes Collins' diagnosis of master cultures, in perch isolates
Bacteriological examination of Windermere perch, experiments 1 and 2
Gill net analyses
Letter to Guy Willoughby regarding reports on perch samples, and highlighting perch mortalities are not just restricted to Windermere.
Letter to Alan Pickering from C.D Crawley reporting an aeromonas hydrophila was recovered from the perch