On 9/18/13 7:21 AM, Peter Loring Borst wrote:
> On Sep 17, 2013, at 11:10 PM, allen<[log in to unmask]>  wrote:

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>>> As I recall, the collapse was not immediate or proportional to
>>> the measured infection at the moment, but occurred after a
>>> passage of time.
> Really, these are loaded statements. "Immediate" vs "passage of
> time"; "proportional".

We had part of that team over for a conference, and it seems to me that
I recall that the collapses occur in the second or third year, much like
varroa.  With varroa, a colony may survive untreated the first and
second year, but collapse the third.

Personally, I have my doubts about the importance of nosema generally
and never treat for it, but there are enough well-qualified people who
have documented problems that there must be something to it.  .

Measuring nosema is not simple as it is destructive and dependant on
time and technique.   A series of measurements on the same hive over
weeks may give widely inconsistent results.

AT any rate, that is what I recall.

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