Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/57518
Título: Extension of sperm motility leads to increased rates of fertilization and hatching in curimba, Prochilodus lineatus
Palavras-chave: Fish - Reproduction
Sperm motility
Fertilization
Peixes - Reprodução
Motilidade espermática
Fertilização
Data do documento: Abr-2014
Editor: Wiley Online Library
Citação: HERNÁNDEZ CUADRADO, E. E. et al. Extension of sperm motility leads to increased rates of fertilization and hatching in curimba, Prochilodus lineatus. Journal of Applied Ichthyology, [S. I.], v. 30, n. 2, p. 329-333, Apr. 2014.
Resumo: The objective of this study was to evaluate the effects of six activating solutions on duration of sperm motility, fertilization rate (FR), and hatching rate (HR) of Prochilodus lineatus (Valenciennes, 1837). The activating solutions (SA) used were: SA0 (199 mOsm kg−1, pH 8.5), SA1 (138 mOsm kg−1, pH 7.5), SA2 (256 mOsm kg−1, pH 7.5), SA3 (131 mOsm kg−1, pH 10), NaCl (92 mOsm kg−1, pH 7.5) and distilled water (32 mOsm kg−1, pH 7.5). SA1 induced the highest motility, FR and HR, compared with the other activating solutions. The lowest motility was obtained with SA0, with no fertilization or hatching, whereas motility was zero with SA2 and SA3. It is possible to conclude that the solution SA1 can be used for the activation of gametes during fertilization in induced reproduction of curimba to achieve higher fertilization and hatching rates. Thus, it was found that the osmolality and pH of activating solutions, probably with the participation of dissolved substances therein, are the main factors acting on semen motility after activation.
URI: https://onlinelibrary.wiley.com/doi/full/10.1111/jai.12259
http://repositorio.ufla.br/jspui/handle/1/57518
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