[des-Gly10, D-His(Bzl)6]-LH-RH ethylamide has been used:for inducingBatrachosepsgravid females to ovipositfor comparing the effect of LHRH (luteinizing hormone-releasing hormone) agonists and dopamine antagonists inLithobatespipiensfor inducing oviposition in females ofTaricha granulosaandEnsatinaeschscoltziito induce spawning inSpeahammondiiadults