Arginine-vasotocin and gonadal activity in the lizard, Podarcis s. sicula Raf

Arginine-vasotocine (AVT) injected into male adult lizards, Podarcis s. sicula Raf., inhibits the last phases of spermatogenesis and the endocrine activity of gonads. In female lizards the substance induces an early interruption of egg deposition.