X-Message-Number: 21927
Date: Sun, 8 Jun 2003 22:28:54 -0700 (PDT)
From: Doug Skrecky <>
Subject: 91'st update on fly longevity experiments

    This is the 91'st update of my fly longevity experiments. Average
temperature was 20.5 C during this run. Estimated maximal longevity using
the formula (363 - T*11.2) is 133 days.
    This run tested various sources of water, plus I also tried a last can
of grass jelly (so I didn't have to drink it), and some skim milk.
    At first glance, and contrary to previous results, grass jelly did not
exert any significant benefit this time. However take a look at the
results on day 77.
    Skim milk started well, but may have been harmful with regards to late
life mortality. Neither distilled water, nor Perrier offered any benefit
over tap water.

Run #91                               Percent Survival on Day
supplement            20  25 32 39 44 49 54 60 66 72 77 82 88 94 99
___________________________________________________________________
tap water (control 1) 87  80 80 80 80 67 67 47 40 40 20 13  7  0  -
tap water (control 2) 93  93 93 87 87 80 73 60 33 33 20 13  0  -  -
grass jelly           71  65 65 59 53 53 53 47 41 35 35 17  6  0  -
milk, skim           100 100 91 91 91 45 27 18  9  0  -  -  -  -  -
distilled water 1     67  67 67 67 53 40 33 20  7  7  7  7  0  -  -
distilled water 2     83  75 75 75 67 67 50 25 17  8  8  0  -  -  -
Perrier 1             88  88 50 63 50 38 25 13 13 13 13  0  -  -  -
Perrier 2             79  79 71 64 64 50 50 43 21 14  7  7  7  7  0

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