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Fig. 32.1
The EL and ML of aged male rats: Results are presented as mean ± SE (
n
= 8). *:
significantly different from the control group (
p
< 0.05), **: significantly different from the control
group (
p
< 0.01)
32.2.4
Statistic Analysis
Data were presented as the mean ± SE and significant differences were determined
by Duncan's multiple range test using SPSS 16.0 statistical analysis software.
p
values less than 0.05 were considered significant.
32.3
Results
32.3.1
Sexual Response and Mating Ability Analysis
The effect of taurine on sexual response and mating ability in aged male rats is pres-
ent in Figs.
32.1
and
32.2
. The EL was significantly decreased, but the ERF was
obviously increased when treated with taurine. The EL and ERF had no changes by
b-alanine administration. The ML was significantly reduced by taurine administra-
tion, but the MF, IF, and EJF all were obviously increased by taurine administration
in aged male rats. The ML was significantly increased by b-alanine supplement, yet
the MF, IF, and EJF showed no difference compared with the control group.
32.3.2
Blood Biochemical Indicator Analysis
As Fig.
32.3
illustrates, the level of GnRH was obviously increased by taurine
administration in aged rats, but there are no statistical differences when treated by
b-alanine. As shown in Figs.
32.4
and
32.5
, the levels of LH and T were significantly
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