About: Evaluation of sperm membrane resistance in boars and bulls by the modified HOS test

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Sperm plasma membrane integrity is commonly evaluated by intravital staining tests or by a test of membrane tolerance and resistance to hypo-osmotic conditions (HOS test). We proved that despite good sperm viability as detected by a simple HOS test, the degree of membrane resistance can be low. The difference in sperm survival rates during the 120-min test between groups of boar ejaculates containing higher and lower percentages of HOS-positive and eosin-negative sperm was statistically significant even though the other parameters of sperm analysis did not significantly differ. Moreover a higher percentage of sperm was recovered after thawing of bull ejaculates with a higher percentage of HOS-positive and eosin-negative sperm. The HOS test in combination with intravital staining is a procedure providing additional information concerning dynamic changes in the membrane resistance. It allows assessment of semen quality from the perspective of its further use, e.g. cryopreservation. Sperm plasma membrane integrity is commonly evaluated by intravital staining tests or by a test of membrane tolerance and resistance to hypo-osmotic conditions (HOS test). We proved that despite good sperm viability as detected by a simple HOS test, the degree of membrane resistance can be low. The difference in sperm survival rates during the 120-min test between groups of boar ejaculates containing higher and lower percentages of HOS-positive and eosin-negative sperm was statistically significant even though the other parameters of sperm analysis did not significantly differ. Moreover a higher percentage of sperm was recovered after thawing of bull ejaculates with a higher percentage of HOS-positive and eosin-negative sperm. The HOS test in combination with intravital staining is a procedure providing additional information concerning dynamic changes in the membrane resistance. It allows assessment of semen quality from the perspective of its further use, e.g. cryopreservation. (en)
Title	Evaluation of sperm membrane resistance in boars and bulls by the modified HOS test Evaluation of sperm membrane resistance in boars and bulls by the modified HOS test (en)
skos:prefLabel	Evaluation of sperm membrane resistance in boars and bulls by the modified HOS test Evaluation of sperm membrane resistance in boars and bulls by the modified HOS test (en)
skos:notation	RIV/00027162:_____/11:#0000847!RIV12-MZE-00027162
http://linked.open...avai/predkladatel	Výzkumný ústav veterinárního lékařství, v.v.i,
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MZE0002716202)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Přinosilová, Petra Kopecká, Věra Věžník, Zdeněk Hlavicová, Jaroslava Zajícová, Atanáska
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav veterinárního lékařství, v.v.i.
http://linked.open...dnocenehoVysledku	198362
http://linked.open...ai/riv/idVysledku	RIV/00027162:_____/11:#0000847
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sperm; HOS test; membrane resistance; bull; boar (en)
http://linked.open.../riv/klicoveSlovo	HOS test membrane resistance bull sperm boar
http://linked.open...ontrolniKodProRIV	[661C4C27AD74]
http://linked.open...in/vavai/riv/obor	GJ
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Přinosilová, Petra Hlavicová, Jaroslava Kopecká, Věra Věžník, Zdeněk Zajícová, Atanáska
http://linked.open...n/vavai/riv/zamer	Animal disease research, prevention and food chain protection

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