Browsing by Author "caa24392-90a5-45dc-82e5-da7afcace170"
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Optimización de técnicas de PCR para la detección de Salmonella enterica (serotipo Gallinarum) en aves de corral de Costa Rica
Leza Leza, Makayla Tatiana; Víquez‑Ruíz, Eunice; Barquero Calvo, Elías; Sancho Blanco, Carolina; Umaña Castro, Rodolfo (UNED, 2022-02-21)Introducción: La tifosis aviar y la pulorosis, enfermedades ocasionadas por Salmonella enterica subsp. enterica (serotipo Gallinarum, biotipos Gallinarum y Pullorum), son responsables de una elevada mortalidad en aves ... -
Ultrastructural demonstration of the model of Litopenaeus vannamei (Crustacea, Penaeidae) male sexual maturation and spermatozoal capacitation
Alfaro-Montoya, Jorge; Braga, André; Vargas, Maribelle; Umaña Castro, Rodolfo (Invertebrate Reproduction and Development Vol.61 No.1, 2016-10-13)The present study demonstrates ultrastructurally the model of Litopenaeus vannamei male sexual maturation and spermatozoal capacitation. The results show that phase 1 of the model occurred in the seminiferous tubules and ...