1. Bayrle H (1982) Cryopreservation of rainbow trout sperm: effect of equilibration. In: Richter CJJ, Goos HJT (eds) Proceedings of international symposium on reproductive physiology of fish, Wageningen, The Netherlands, Aug 2–6, pp 129–130
2. Chao NH, Chao WC, Liu KC, Liao IC (1987) The properties of tilapia sperm and its cryopreservation. J Fish Biol 30:107–118
3. Dorier A (1951) Conservation de la vitalite et du pouvoir fecondant des spermatozoides de triute Arc-en-ciel. Trav Lab Hydrobiol Piscic Univ Grenoble 41:75–85
4. Ginsberg AS (1963) Sperm-egg association and its relationship to the activation of the egg in salmonid fishes. J Embryol Exp Morphol 11:13–33
5. Graybill JR, Horton HF (1969) Limited fertilisation of steelhead trout eggs with cryopreserved sperm. J Fish Res Bd Canada 26:1400–1404