[Teratospermia and the fertilizing capacity of semen in the lemur].

As in fertile men, Lemur fulvus mayottensis spermatozoa are pleiomorphic. Percentage of structural defects of semen varies in breeding and nonbreeding seasons. Spermatozoa exhibit acrosomal and flagella abnormalities. These primates could serve as a useful model for teratospermia study, especially because this seasonal variation.