Heritability of longevity in Large White and Landrace sows using continuous time and grouped data models

Gábor Mészáros, Judit Pálos, Vincent Ducrocq, Johann Sölkner

Research output: Contribution to journalArticlepeer-review

Abstract

Using conventional measurements of lifetime, it is not possible to differentiate between productive and non-productive days during a sow's lifetime and this can lead to estimated breeding values favoring less productive animals. By rescaling the time axis from continuous to several discrete classes, grouped survival data (discrete survival time) models can be used instead.
Original languageEnglish
Pages (from-to)13
JournalGenetics Selection Evolution
Volume42
DOIs
Publication statusPublished - 13 May 2010

Keywords

  • Animals
  • Breeding
  • Female
  • Litter Size
  • Longevity
  • Parity
  • Parturition
  • Pregnancy
  • Swine

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