SciELO - Scientific Electronic Library Online

vol.25 issue3Frequency of clinical parasitic otitis due to Rhabditiform nematodes (Rhabditis sp) in six Gyr breed cattle farms in Cordoba, ColombiaSubstitution levels of fish meal by Arthrospira (=Spirulina) maxima meal in experimental diets for red tilapia fingerlings (Oreochromis sp.) author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand



Related links

  • On index processCited by Google
  • Have no similar articlesSimilars in SciELO
  • On index processSimilars in Google


Revista Colombiana de Ciencias Pecuarias

Print version ISSN 0120-0690
On-line version ISSN 2256-2958


RODRIGUEZ-MONTES DE OCA, Gustavo A et al. Production of ''Chame'' (Dormitator latifrons, Pisces: Eleotridae) larvae using GnRHa and LHRHa. Rev Colom Cienc Pecua [online]. 2012, vol.25, n.3, pp.422-429. ISSN 0120-0690.

The Pacific fat sleeper is a potential species for aquaculture in Latin American countries. Nevertheless, production depends on wildcaught juveniles, thus needing hatchery produced larvae. Objective: the purpose of this study was to determine the ideal conditions for viable gamete release and larvae laboratory production. Methods: a total of 16 mature male and 16 female fish were allocated to one of four groups (n=4) that were injected with either saline solution, Desgly10-Ala6 LHRHa, salmon GnRHa + domperidone, or implanted with salmon GnRHa. Results: spermiation was observed in all treatments. Spawning rates were 100% at 24 and 48 h for the GnRHa implanted group, 25% for the LHRHa group, and 0% for the salmon GnRHa + domperidone group (48-72 h post injection). Conclusion: GnRHa and LHRHa are a succesful tool for chame induced reproduction. A gross morphological description of oocytes, sperm quality, and first stages of larval development is included.

Keywords : chame fish; gamete release; pacific fat sleeper; spawning; spermiation.

        · abstract in Spanish | Portuguese     · text in Spanish     · Spanish ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License