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Provedor de dados:  R. Bras. Zootec.
País:  Brazil
Título:  Semen cryopreservation protocols of Mangalarga Marchador stallions
Autores:  Candeias,Marcela Leite
Alvarenga,Marco Antonio
Carmo,Márcio Teoro do
Ferreira,Heder Nunes
Maior,Mônica Russo Souto
Torres Filho,Rodolpho de Almeida
Rodrigues,André Luís Rios
Brandão,Felipe Zandonadi
Data:  2012-09-01
Ano:  2012
Palavras-chave:  Ejaculated
Equine
Extender
Straw
Resumo:  The effect of the utilization of three semen protocols (Inra 82®, Merck Gema and Botu-crio®) and two filling techniques (0.25 and 0.50 mL straws) in Mangalarga Marchador stallions were studied in this experiment. Sperm parameters were assessed during processing and post-freezing. No interactions between the protocols and type of filling were observed, so they were assessed separately. Sperm parameters were not altered when the extender was added to the centrifugation; however, there was reduction of motility and strength when freezing extenders were added. The Botu-crio® protocol preserved the parameters of total and progressive sperm motility, smoothed path velocity (µm/s), straight line velocity (µm/s), track velocity (µm/s) and the average and fast spermatozoa percentage better than the others. No difference between the extenders for the percentage of sperm integrity was observed. There was no difference in the responses studied on the filling techniques. The stallions presented better freezing with the use of the Botu-crio® protocol. The best post-freezing viability results were found for semen frozen using the Botu-crio® protocol and there were no differences concerning the sperm quality comparing 0.25 and 0.50 mL straws.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000900004
Editor:  Sociedade Brasileira de Zootecnia
Relação:  10.1590/S1516-35982012000900004
Formato:  text/html
Fonte:  Revista Brasileira de Zootecnia v.41 n.9 2012
Direitos:  info:eu-repo/semantics/openAccess
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