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Dear rainbow trout friends and lovers,

I have been trying unsuccessfully (or incompetently) to find literature on 2
questions concerning health of cultured rainbow trout:

1. Are there any seasonal differences in cultured trout's susceptibility to
bacterial diseases?
2.  For how long after an accomplished therapy traces of antibiotics can
remain in trout's body, and how long can it take until its bacterial
microflora will rebuilt in a similar composition and abundance as these
before the infection? I presume it depends on the kind of disease, therapy
used and on 101 other variables as well, therefore I am thinking of a more
or less "typical" disease of trout (body mass 50g) which became infected in
fall/winter.

Any references, thoughts and comments are cordially welcome

Kazik

----------------------------
Kazimierz Wieski
Dept. of Fish Biology
Agric.University of Szczecin
Szczecin - Poland

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