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  • The selection of dual purpose cattle is simulated by selection indices. In includes milk (amount of milk milk protein) and beef production (daily gain valuable meat cuts growth capacity feed conversion) and secondary traits (fertility longevity mastitis calving difficulty). Partial breeding values for traits are combined into selection indices. Economic values of 1 1.5 2 and 4 multiples of results of the profit function are assigned to secondary traits in the indices. In the case of basic variaasic variant the genetic gain of milk production is 58 kg and effects of selection on milk and beef production and secondary traits are at a ratio 81:20: -1 The most important traits in the indices are amount of milk feed conversion milk protein content and daily gain., Most secondary traits show worse values., In the case of 1.,5 multiple overvaluation of secondary traits the genetic gain is 51 kg milk and ratios of selection are 72:19:9., In the case of 2 multiple overvaluation the genetic gain of
  • The selection of dual purpose cattle is simulated by selection indices. In includes milk (amount of milk milk protein) and beef production (daily gain valuable meat cuts growth capacity feed conversion) and secondary traits (fertility longevity mastitis calving difficulty). Partial breeding values for traits are combined into selection indices. Economic values of 1 1.5 2 and 4 multiples of results of the profit function are assigned to secondary traits in the indices. In the case of basic variaasic variant the genetic gain of milk production is 58 kg and effects of selection on milk and beef production and secondary traits are at a ratio 81:20: -1 The most important traits in the indices are amount of milk feed conversion milk protein content and daily gain., Most secondary traits show worse values., In the case of 1.,5 multiple overvaluation of secondary traits the genetic gain is 51 kg milk and ratios of selection are 72:19:9., In the case of 2 multiple overvaluation the genetic gain of (en)
Title
  • Impact of selection of dual purpose cattle on secondary traits
  • Impact of selection of dual purpose cattle on secondary traits (en)
skos:prefLabel
  • Impact of selection of dual purpose cattle on secondary traits
  • Impact of selection of dual purpose cattle on secondary traits (en)
skos:notation
  • RIV/00027014:_____/01:00000049!RIV/2002/MZE/M02002/N
http://linked.open.../vavai/riv/strany
  • 134-138
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(EP7166)
http://linked.open...iv/cisloPeriodika
  • 3
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
  • 682458
http://linked.open...ai/riv/idVysledku
  • RIV/00027014:_____/01:00000049
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • cattle; selection indices; functional traits; breeding value; genetic gain (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [38FB78C8FF29]
http://linked.open...i/riv/nazevZdroje
  • Czech Journal of Animal Science
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...ocetUcastnikuAkce
http://linked.open...nichUcastnikuAkce
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 46
http://linked.open...iv/tvurceVysledku
  • Přibyl, Josef
  • Přibylová, Jana
issn
  • 1212-1819
number of pages
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