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Quality of semen in the reproductive cycle of Cachara (Pseudoplatystoma fasciatum) raised in captivity Biological Sciences
Navarro, Rodrigo Diana; Lemos, Juliana Ventorim; Ribeiro, Marcela Tosta.
In this study, we evaluated the semen quality of Cachara (Pseudoplatystoma fasciatum) raised in captivity during its reproductive period. For the evaluation of qualitative parameters, we analyzed: sperm morphology, sperm motility, and sperm vigor; while for the quantitative parameter, we analyzed sperm concentration. In general, the main significant difference was found in March, with a motility rate of 40% and a duration of 39 seconds. The highest mean concentration (1.2x10⁸) was observed in February, as well as the highest percentage of defects in the intermediate part of the spermatozoa (59%). The morphological analysis of spermatozoa showed an average of 24.2% abnormalities in the head and 22.7% in the intermediate part of spermatozoa of P. fasciatum...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Semen cachara Pseudoplatystoma spermatozoa Semen; Cachara; Pseudoplatystoma; Spermatozoa..
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/46517
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