Please use this identifier to cite or link to this item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1137146
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dc.contributor.authorGONÇALVES, A. A.
dc.contributor.authorGARCIA, A. R.
dc.contributor.authorCRUZ, G. S. DA
dc.contributor.authorSANTOS, S. DO S. D.
dc.contributor.authorOHASHI, O. M.
dc.date.accessioned2021-12-06T15:01:23Z-
dc.date.available2021-12-06T15:01:23Z-
dc.date.created2021-12-06
dc.date.issued2021
dc.identifier.citationIn: REUNIÃO ANUAL DA ABRAA, 5., 2021, Campo Grande, MS. Anais... Campo Grande, MS: UFMS, 2021.
dc.identifier.isbn978-65-86943-44-3
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1137146-
dc.descriptionThe study aimed to evaluate the effect of short-term heat stress on sperm morphology, relating them to the stages of spermatogenesis. Adult buffalo bulls underwent scrotal insulation (day 0; 48 hours). Semen samples were collected every 7 days (day -7 to day 49) and analyzed. Heat stress destabilized scrotal thermoregulation (36.1±0.3 °C and 35.5±2.3 °C, after 24 and 48 hours of insulation) and returned to baseline five days after removal of the stressor stimulus (33.2±0.6°C). The sequential expression of the morphological defects showed tail defects (days 7 to 14), cytoplasmic droplets (days 14 to 28) and sperm head defects (day 28). Hyperthermia more severely damaged sperm in epididymal transit, elongated sperm and secondary spermatocytes. Thus, buffalo bulls presented a peculiar manifestation of sperm morphological defects after short-term stress, indicating an important difference regarding the bovine species. Therefore, during the andrological evaluation, allometric extrapolation between these species should be avoided.
dc.language.isopor
dc.rightsopenAccesspt_BR
dc.subjectEspermiograma
dc.subjectDefeitos espermáticos
dc.subjectInsulação escrotal
dc.subjectScrotal insulation
dc.subjectSpermiogram
dc.subjectSperm defects
dc.titleCronologia da incidência de anomalias morfológicas espermáticas em touros búfalos (Bubalus bubalis) sob estresse térmico de curta duração.
dc.typeArtigo em anais e proceedings
dc.format.extent2p.190-193.
riaa.ainfo.id1137146
riaa.ainfo.lastupdate2021-12-06
dc.contributor.institutionARNALDO ALGARANHAR GONÇALVES, UFPA; ALEXANDRE ROSSETTO GARCIA, CPPSE; GABRIELA SANTOS DA CRUZ, UFPA; SIMONE DO SOCORRO DAMASCENO SANTOS, UFPA; OTÁVIO MITIO OHASHI, UFPA.
Appears in Collections:Artigo em anais de congresso (CPPSE)

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