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  • The aim of this study was to evaluate the impact of higher selection pressure used in hyper-prolific population on the reproduction of subsequent generations breed in a multiplication herd. Information on 539 liters of 178 ancestors of purebred sows from both hyper-prolific and normal population was included. Higher selection pressure particularly on litter size and teat number was applied in the hyper-prolific population. Differences between total number of piglets born, number of piglets born alive or number of piglets weaned were neither observed on the 1st only nor on the 1st ? 5th litters. Likewise, no effect on the age of sows at the first parturition and number of insemination per pregnant had been found. A significant response on selection was determined only for teat number. The descendents of hyper-prolific population had about 0.37 teats more than sows of normal population. The results suggest that to achieve desired litter size in multiplication herds the selection criteria should be revis
  • The aim of this study was to evaluate the impact of higher selection pressure used in hyper-prolific population on the reproduction of subsequent generations breed in a multiplication herd. Information on 539 liters of 178 ancestors of purebred sows from both hyper-prolific and normal population was included. Higher selection pressure particularly on litter size and teat number was applied in the hyper-prolific population. Differences between total number of piglets born, number of piglets born alive or number of piglets weaned were neither observed on the 1st only nor on the 1st ? 5th litters. Likewise, no effect on the age of sows at the first parturition and number of insemination per pregnant had been found. A significant response on selection was determined only for teat number. The descendents of hyper-prolific population had about 0.37 teats more than sows of normal population. The results suggest that to achieve desired litter size in multiplication herds the selection criteria should be revis (en)
Title
  • Impact of hyper-prolific population generation on the reproduction of sows in multiplication herds
  • Impact of hyper-prolific population generation on the reproduction of sows in multiplication herds (en)
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  • Impact of hyper-prolific population generation on the reproduction of sows in multiplication herds
  • Impact of hyper-prolific population generation on the reproduction of sows in multiplication herds (en)
skos:notation
  • RIV/70883521:28610/10:63509213!RIV11-MSM-28610___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM7088352101)
http://linked.open...iv/cisloPeriodika
  • 2
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
  • 262966
http://linked.open...ai/riv/idVysledku
  • RIV/70883521:28610/10:63509213
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • pigs; selection; reproduction; hyper prolific population (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV
  • [EB8314FD2C97]
http://linked.open...i/riv/nazevZdroje
  • Archiv für Tierzucht
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 53
http://linked.open...iv/tvurceVysledku
  • Humpolíček, Petr
  • Tvrdoň, Zdenek
http://linked.open...n/vavai/riv/zamer
issn
  • 0003-9438
number of pages
http://localhost/t...ganizacniJednotka
  • 28610
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