X-Message-Number: 24991
Date: Sat, 6 Nov 2004 22:26:45 -0800 (PST)
From: Doug Skrecky <>
Subject: 158'th update on fly longevity experiments
This is the 158'th update of my fly longevity experiments. Average
temperature was 26.1 C during this run. Estimated maximal longevity using
the formula (363 - T*11.2) is 71 days.
In run #146 lactobacillus had some tendancy to increase maximal, but
not average survival. This may have occurred by a possible selective
stimulation in immunity in old animals.
In this run the results were inconsistent, though a tendancy for
increased maximum survival still seems apparent at lower doses. One
interesting finding was that better survival was obtained with killed
bacteria. Killed bacteria are known to stimulate immune responses, as
well as live bacteria in some mammal tests.
Run #158 Percent Survival on Day
supplement 11 17 27 32 37 42 47 52 57 62 67 82
____________________________________________________________
control one 90 67 60 30 17 10 3 0 - - - -
control two 90 70 43 40 30 30 20 10 3 0 - -
lactobacillus: 16 mil 95 84 42 32 16 16 16 11 6 6 6 0
(75% acidophilus 32 mil 91 81 52 24 19 10 0 - - - - -
+25% bifidus) 64 mil 87 74 48 26 17 13 4 0 - - - -
95% L rhamnosus 3 mil 79 67 50 29 21 17 4 4 0 - - -
(killed) 3 mil 90 80 65 55 35 25 25 20 10 5 5 0
6 mil 100 79 58 47 37 32 0 - - - - -
(killed) 6 mil 83 65 52 48 35 30 17 13 9 0 - -
12 mil 96 82 64 46 36 36 18 14 5 0 - -
(killed) 12 mil 100 91 67 57 43 29 19 5 5 5 5 0
24 mil 91 67 57 33 14 14 5 5 0 - - -
(killed) 24 mil 90 79 53 32 32 26 21 5 5 0 - -
48 mil 83 67 50 22 17 17 17 11 0 - - -
(killed) 48 mil 88 71 53 41 41 29 12 6 6 0 - -
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