Estudio del desarrollo embrionario del pez trichogaster trichopterus (Perciformes: Osphronemidae) variedad artificial gurami dorado por medio de microscopía óptica.

Abstract

During embryonic development, carried out the segmentation process and morphogenesis, resulting in specialization and division of cells that give rise to each of the structures that empower the survival of organisms, is why the embryonic studies become important in elucidating knowledge for standardization of the changes that are to be considered normal development of an organism, identification of congenital variations and in turn raise the possible causes of these. This study aimed to identify the stages of-larval embryonic fish Trichogaster trichopterus (perciformes: Osphronemidae) development, all achieved through training, in which stages of sabanera frog (Dendropsophus labialis), cachama recognized ( macropomum) and trout (Oncorhynchus mykiss) and reproduction of organisms study at a constant temperature of 28 ° C and a replacement of the medium, once a week. It took place the recognition of twenty stages, placing the initial seventeen from fertilization-fertilization of the egg until the release of the corium, thus concluding the embryonic process, and entering the larval stage, which culminates with total resorption of the yolk, having five stages; this process occurred in a time not exceeding 455 hours 52 min, which took a photographic record to obtain a table of development.