[Action of a dietary Mg2+ deficiency and overload in the male rat: measurement of certain parameters of testicular and spermatozoan activity].

The specific activities of several enzymes were investigated as possible markers of the Mg2+ impact on testicular and spermatozoa glucidic metabolism: no modification was noticed. However, as a reflection of hormonal metabolism, 17 beta-OH steroid-deshydrogenase activity, AMPc and testosterone levels were measured in the testes and showed significant variations.