Indicators of piglet survival in an outdoor farrowing system

Emma M. Baxter*, Susan Jarvis, Lorna Sherwood, Sheena K. Robson, Elisabeth Ormandy, Marianne Farish, Kathleen M. Smurthwaite, Rainer Roehe, Alistair B. Lawrence, Sandra A. Edwards

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Pre-weaning piglet mortality continues to be a major welfare and economic concern. In outdoor farrowing systems, there is a particular need to broaden breeding goals by incorporating selection for piglet survival to improve both productivity and welfare. This study aimed to identify behavioural and physiological survival indicators that are influential in outdoor systems and that could provide additional information for use when selecting for piglet survival. Data were collected from 511 piglets from Large White x Landrace x Duroc sows and Generalised Linear Mixed Models determined which indicators were most important for piglet survival in an outdoor system. With respect to prenatal mortality (surviving vs. stillborn piglets) high ponderal index (P

Original languageEnglish
Pages (from-to)266-276
Number of pages11
JournalLivestock Science
Volume124
Issue number1-3
DOIs
Publication statusPublished - Sep 2009

Keywords

  • Piglet survival
  • Outdoor systems
  • Welfare
  • Survival indicators
  • RANGING DOMESTIC PIGS
  • INDIVIDUAL BIRTH-WEIGHT
  • PREWEANING MORTALITY
  • GENETIC-PARAMETERS
  • NEONATAL SURVIVAL
  • MATERNAL-BEHAVIOR
  • PARTURIENT SOWS
  • PERFORMANCE
  • ENVIRONMENT
  • RISK

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