Navegação Ciências Agrárias por Assunto "Criopreservação"

Resultados 1-9 de 9

    • Criopreservação de espermatozóides eqüinos comparando duas curvas de congelamento combinadas com diferentes diluentes comerciais: uma análise laboratorial 

      Terraciano, Paula Barros; Bustamante, Ivan; Miquelito, Ludmila do Vale; Arlas, Tamarini; Castro, Fabiana Santos; Mattos, Rodrigo Costa; Passos, Eduardo Pandolfi; Oberst, Eneder Rosana; Lima, Elizabeth Obino Cirne (2008) [Artigo de periódico]
      Durante o processo de criopreservação de sêmen, os espermatozóides sofrem alguns danos que resultam na diminuição da fertilidade deste. O presente estudo foi realizado com o objetivo de avaliar os efeitos da utilização ...

    • Crioprotetores para o resfriamento de embriões de piracanjuba Brycon orbignyanus (Valenciennes, 1850) 

      Fornari, Darci Carlos; Streit Júnior, Danilo Pedro; Tonissi, Laura Botta; Povh, Jayme Aparecido; Sirol, Rodolfo Nardez; Ribeiro, Ricardo Pereira (2014) [Artigo de periódico]
      O objetivo deste trabalho foi avaliar a eficiência dos crioprotetores para o resfriamento de embriões de B. orbignyanus. Foram selecionados 1.400 embriões viáveis, na fase de pós-gastrulação e submetidos ao resfriamento a ...

    • DNA Isolation from Fresh and Cryopreserved Semen of Tambaqui (Colossoma macropomum) 

      Mello, Fernanda de; Garcia, Juliana Saraiva; Depincé, Alexandra; Labbé, Catherine; Streit Júnior, Danilo Pedro (2016) [Artigo de periódico]
      Semen cryopreservation is an import toll for reproductive management of fish species, which increasingly it is applied in the commercial production of fish. Cryopreservation need of the cryoprotectors agents (CPAs) that ...

    • Functional integrity of Colossoma macropomum (Cuvier, 1816) sperm cryopreserved with enriched extender solutions 

      Garcia, Raycon Roberto Freitas; Vasconcelos, Ana Carina Nogueira; Povh, Jayme Aparecido; Oberst, Eneder Rosana; Varela Junior, Antonio Sérgio; Corcini, Carine Dahl; Streit Júnior, Danilo Pedro (2015) [Artigo de periódico]
      Cryoprotectant solutions are used to protect the sperm from alterations caused by the low temperature in the cryopreservation process. We evaluated the quality of Colossoma macropomum semen after freezing, using dimethyl ...

    • Post-cooling damage to Piaractus mesopotamicus embryos at different stages of development 

      Lopes, Taís da Silva; Streit Júnior, Danilo Pedro; Ribeiro, Ricardo Pereira; Romagosa, Elizabeth (2014) [Artigo de periódico]
      The present study investigated the effects of 6h- and 10h-storage at -8ºC on the quality and hatch rate of Piaractus mesopotamicus embryos at 4 stages of development. Embryos were exposed to a cryoprotectant solution, ...

    • Quality of fresh and cryopreserved semen and their influence on the rates of fertilization, hatching and quality of the larvae of Piaractus mesopotamicus 

      Galo, Juliana Minardi; Streit Júnior, Danilo Pedro; Oliveira, Carlos Antonio Lopes de; Povh, Jayme Aparecido; Fornari, Darci Carlos; Digmayer, Melanie; Ribeiro, Ricardo Pereira (2018) [Artigo de periódico]
      In this work, the seminal parameters of P. mesopotamicus were evaluated fresh and after cryopreservation, focusing on the sperm variables that affect the rates of fertilization, hatching and post-hatching parameters such ...

    • Slow freezing versus vitrifcation for the cryopreservation of zebrafsh (Danio rerio) ovarian tissue 

      Marques, Lis Santos; Fossati, Ana Amélia Nunes; Rodrigues, Rômulo Batista; Rosa, Helen T. da; Izaguirry, Aryele Pinto; Ramalho, Juliana B.; Moreira, Jose Claudio Fonseca; Santos, Francielli Weber; Zhang, Tiantian; Streit Júnior, Danilo Pedro (2019) [Artigo de periódico]
      The aim of the present study was to compare the efficiency of vitrification and slow freezing techniques for the cryopreservation of zebrafish ovarian tissue containing immature follicles. In Experiment 1, assessment of ...

    • The role of dimethyl sulfoxide in the cryopreservation of Curimba (Prochilodus lineatus) semen 

      Varela Junior, Antonio Sérgio; Silva, Estela Fernandes; Cardoso, Tainã Figueiredo; Namba, Érica Yokoyama; Jardim, Rodrigo Desessards; Streit Júnior, Danilo Pedro; Corcini, Carine Dahl (2015) [Artigo de periódico]
      Cryopreservation of Curimba semen (Prochilodus lineatus) is ecological and commercial importance. The objective of this study was to evaluate the effect of different concentrations (2, 5, 8 and 11%) of dimethyl sulfoxide ...

    • Viability of dourado embryos cooled in different cryoprotectant solutions 

      Fornari, Darci Carlos; Streit Júnior, Danilo Pedro; Galo, Juliana Minardi; Guerreiro, Luis Ricardo Jayme; Povh, Jayme Aparecido; Barrero, Nelson Maurício Lopera; Oliveira, Diego de; Ribeiro, Ricardo Pereira (2013) [Artigo de periódico]
      The objective of this work was to evaluate the effect of different cryoprotectants on the viability of dourado (Salminus brasiliensis) embryos. Ten cryoprotectant solutions were tested. For each solution, 300 embryos were ...