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Description
  • 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. (cs)
  • 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. (en)
Title
  • 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 (en)
  • Porovnání rozdílů v produkci spermatu u kanců mezi obdobími 1990-97 a 2000-07. (cs)
skos:prefLabel
  • 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 (en)
  • Porovnání rozdílů v produkci spermatu u kanců mezi obdobími 1990-97 a 2000-07. (cs)
skos:notation
  • RIV/00027014:_____/08:#0000881!RIV09-MZE-00027014
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MZE0002701401)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 360560
http://linked.open...ai/riv/idVysledku
  • RIV/00027014:_____/08:#0000881
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • boars; sperm output; environment; genetics (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [12B096FF0967]
http://linked.open...i/riv/nazevZdroje
  • Research in Pig Breeding
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2
http://linked.open...iv/tvurceVysledku
  • Fiedler, Jaromír
  • Smital, Jaroslav
http://linked.open...n/vavai/riv/zamer
issn
  • 1802-7547
number of pages
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