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Statements

Subject Item
n2:RIV%2F00027014%3A_____%2F08%3A%230000881%21RIV09-MZE-00027014
rdf:type
skos:Concept n12:Vysledek
dcterms:description
The objective of this study was to compare the differences in boar sperm output between periods 1990-1997 and 2000-2007 using a large data set from artificial insemination centers. These data were analyzed: semen volume, concentration of spermatozoa, progressive motion of spermatozoa and proportion of abnormal spermatozoa. The period 2000-2007 showed an increasing trend of sperm quantity. In contrast, the stagnation or decreasing trend of sperm quality was recorded. In crossbreds, a lower manifestation of heterosis was observed as well. The objective of this study was to compare the differences in boar sperm output between periods 1990-1997 and 2000-2007 using a large data set from artificial insemination centers. These data were analyzed: semen volume, concentration of spermatozoa, progressive motion of spermatozoa and proportion of abnormal spermatozoa. The period 2000-2007 showed an increasing trend of sperm quantity. In contrast, the stagnation or decreasing trend of sperm quality was recorded. In crossbreds, a lower manifestation of heterosis was observed as well. Předmětem této studie bylo porovnat rozdíly v produkci spermatu u kanců mezi obdobími 1990-1997 a 2000-2007 za použití rozsáhlého souboru dat z inseminačních stanic. Byly analyzovány tyto údaje: objem spermatu, koncentrace spermií, progresívní pohyb spermií a podíl abnormálních spermií. V období 2000-2007 se projevil stoupající trend u množství spermatu. Opačný trend (stagnace nebo snížení) se objevil u kvality semene. U kříženců se také snížil heterozní efekt.
dcterms:title
Comparison of differences in boar sperm output between periods 1990-97 and 2000-07 Porovnání rozdílů v produkci spermatu u kanců mezi obdobími 1990-97 a 2000-07. Comparison of differences in boar sperm output between periods 1990-97 and 2000-07
skos:prefLabel
Porovnání rozdílů v produkci spermatu u kanců mezi obdobími 1990-97 a 2000-07. Comparison of differences in boar sperm output between periods 1990-97 and 2000-07 Comparison of differences in boar sperm output between periods 1990-97 and 2000-07
skos:notation
RIV/00027014:_____/08:#0000881!RIV09-MZE-00027014
n3:aktivita
n13:Z
n3:aktivity
Z(MZE0002701401)
n3:cisloPeriodika
1
n3:dodaniDat
n11:2009
n3:domaciTvurceVysledku
n10:7489234 n10:7785402
n3:druhVysledku
n4:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
360560
n3:idVysledku
RIV/00027014:_____/08:#0000881
n3:jazykVysledku
n15:eng
n3:klicovaSlova
boars; sperm output; environment; genetics
n3:klicoveSlovo
n6:genetics n6:environment n6:boars n6:sperm%20output
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[12B096FF0967]
n3:nazevZdroje
Research in Pig Breeding
n3:obor
n16:GI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n11:2008
n3:svazekPeriodika
2
n3:tvurceVysledku
Fiedler, Jaromír Smital, Jaroslav
n3:zamer
n17:MZE0002701401
s:issn
1802-7547
s:numberOfPages
2