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Effect of short-term preservation of sea lamprey gametes on fertilisation rate and embryo survival
Rodríguez-muñoz, R.; Ojanguren, A.F. (2002). Effect of short-term preservation of sea lamprey gametes on fertilisation rate and embryo survival. J. Appl. Ichthyol. 18(2): 127-128
In: Journal of Applied Ichthyology = Zeitschrift für angewandte Ichthyologie. Blackwell: Berlin. ISSN 0175-8659, more
Peer reviewed article  

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Keywords
    Biological fertilization; Gametes; Hatching; Processing fishery products; Storage; Survival; Petromyzon marinus Linnaeus, 1758 [WoRMS]; Marine; Brackish water; Fresh water

Authors  Top 
  • Rodríguez-muñoz, R.
  • Ojanguren, A.F.

Abstract
    We assessed the effect of short-term (4.7-75.3h) storage at low temperature (approximately 1°C) on the viability of sea lamprey (Petromyzon marinus L.) gametes. Hatching success decreased with storage time, but more than 20% eggs hatched even after 75.3 h of preservation. However, storage time drastically reduced the survival rate to the burrowing stage (i.e. the last prelarval stage), which decreased from 76% when the gametes were stored for 4.7 h to 0% after 75.3 h of storage.

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