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Influence of feeding regime, sex and fasting time prior to slaughter on growth rate, carcass characteristics, ultimate pH and skin damage of pigs

Influence of feeding regime, sex and fasting time prior to slaughter on growth rate, carcass... Abstract Effects of feeding regime and sex on growth performance and carcass characteristics of pigs and of various fasting times and lairage times prior to slaughter on ultimate pH (pHu) of the neck and loin muscle, degree of gut fill and skin damage were investigated. Two hundred and seventy pigs were used involving two sexes (gilts and castrates), two feeding regimes (restricted and ad libitum) and four fasting treatments. The castrates grew faster and produced fatter carcasses than gilts, while restricted feeding tended to improve feed efficiency and led to leaner carcasses compared to ad libitum feeding. Prolonged pre-slaughter fasting period and lairage time led to reduction of the weight of the gastrointestinal tract and higher extent of fighting and skin damage. pHu in the neck muscle was indicative for the extent of fighting and skin damages, and might be a parameter for selecting raw material for dry-cured hams. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Agri Scand A Animal Sci Taylor & Francis

Influence of feeding regime, sex and fasting time prior to slaughter on growth rate, carcass characteristics, ultimate pH and skin damage of pigs

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Influence of feeding regime, sex and fasting time prior to slaughter on growth rate, carcass characteristics, ultimate pH and skin damage of pigs

Abstract

Abstract Effects of feeding regime and sex on growth performance and carcass characteristics of pigs and of various fasting times and lairage times prior to slaughter on ultimate pH (pHu) of the neck and loin muscle, degree of gut fill and skin damage were investigated. Two hundred and seventy pigs were used involving two sexes (gilts and castrates), two feeding regimes (restricted and ad libitum) and four fasting treatments. The castrates grew faster and produced fatter carcasses than...
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Publisher
Taylor & Francis
Copyright
Copyright Taylor & Francis Group, LLC
ISSN
1651-1972
eISSN
0906-4702
DOI
10.1080/09064700903254273
Publisher site
See Article on Publisher Site

Abstract

Abstract Effects of feeding regime and sex on growth performance and carcass characteristics of pigs and of various fasting times and lairage times prior to slaughter on ultimate pH (pHu) of the neck and loin muscle, degree of gut fill and skin damage were investigated. Two hundred and seventy pigs were used involving two sexes (gilts and castrates), two feeding regimes (restricted and ad libitum) and four fasting treatments. The castrates grew faster and produced fatter carcasses than gilts, while restricted feeding tended to improve feed efficiency and led to leaner carcasses compared to ad libitum feeding. Prolonged pre-slaughter fasting period and lairage time led to reduction of the weight of the gastrointestinal tract and higher extent of fighting and skin damage. pHu in the neck muscle was indicative for the extent of fighting and skin damages, and might be a parameter for selecting raw material for dry-cured hams.

Journal

Acta Agri Scand A Animal Sci – Taylor & Francis

Published: Sep 1, 2009

Keywords: Carcass characteristics; fasting; feeding regime; gender; growth; lairage; pigs; skin damage

References

  • Methods for improving pig welfare and meat quality by reducing stress and discomfort before slaughter – methods of assessing meat quality
  • Le contrôle des estomaces de porcs à l‘abattoir: le miroir de la mire à jeun en èlevage
  • Meat quality of commercially pig carcasses and stress susceptibility of the Norwegian pig population
  • Influence of mixing of pigs and fighting on the quality of hams for dry-cured hams
  • New restricted feeding scales for growing-finishing pigs and sows in Norway
  • Effects of fasting prior to slaughter on pH development and energy metabolism post-mortem in M. longissimus dorsi of pigs. Meat Science
  • Effects of pre-slaughter practice on performance and behaviour of commercial pigs
  • The incidence of carcass damage in slaughter pigs