Bio Rhythm
In response to your letter, Mr J.P.M Graafmans, I would like to respond to the points you have raised. First of all, congratulations for introducing the topic of "Bio-Rhythm" during your meetings; this will undoubtedly make the meetings more interesting and educational. Regarding the questions asked in your letter, I cannot provide a complete answer at this time. I have not yet fully applied and studied the Bio-Rhythm theory.
Although I read the article at the time and recognized many points that I already apply in my canary breeding, I did not thoroughly investigate the theory.

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