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Classification of the sperm chromatin compaction alterations in bulls (Bos taur...

Hiraiwa, Sara Hissae; Alves, Paulo Henrique Mazzutti; Travençolo, Bruno Augusto Nassif; Martins, Muller Carrara; Beletti, Marcelo Emílio

This paper proposes to classify the sperm chromatin compaction alterations in bulls, according to the affected area location and its objective is evaluating the correlation of the intensity, the heterogeneity and these kinds of chromatin decompaction with the rates of cleavage and the formation of blastocysts of in vitro production of embryos (IVPE). It was used several subfertile animals sperm samples, which w...

Date: 2021   |   Origin: Oasisbr
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Avaliação da compactação de cromatina durante a maturação epididimária do esper...

Martins, Muller Carrara

CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Os exames andrológicos atuais avaliam a concentração, vigor, motilidade, turbilhonamento e patologias morfológicas dos espermatozoides; porém, mesmo aprovados em exames andrológicos, alguns touros não respondem de maneira eficaz, seja na monta natural ou em processos de fertilização in vitro. Alterações na cromatina dos espermatozoides pode se...

Date: 2018   |   Origin: Oasisbr
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