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Pregnant gilt behavior in outdoor and indoor intensive pork production systems

By J. W. Dailey, J. J. McGlone

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Abstract

The behaviour of three genotypes of gilts, PIC Camborough-15 (C-15), PIC Camborough-Blue (CB), and YorkxLandrace (YL), were compared in an English-style extensive outdoor production system and an intensive indoor system. Mutually exclusive behaviours were defined and recorded and included chewing, rooting, standing, sitting, drinking, rubbing, walking, and for outdoor gilts wallowing and grazing. No significant main effects of genotype were found. Gilts kept outdoors were more active and spent more time chewing objects, with less time sitting than gilts indoors. The oral/nasal chewing observed in confined, pregnant pigs was much lower in frequency than similar environment-directed oral/nasal behaviours observed outdoors. Outdoor-kept gilts spent less time lying than indoor gilts, but this effect was less pronounced for C-15 gilts than the other genotypes. Outdoor-kept gilts expressed more oral/nasal behaviours than indoor gilts. It is concluded that these genotypes express similar behaviour but environment does have effects on the behaviours expressed.

Date 1997
Publication Title Applied Animal Behaviour Science
Volume 52
Issue 1/2
Pages 45-52
ISBN/ISSN 0168-1591
DOI 10.1016/S0168-1591(96)01100-8
Language English
Author Address Pork Industry Institute, Department of Animal Science and Food Technology Department, Texas Tech University, Lubbock, TX 79409-2141, USA.
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Tags
  1. Animal behavior
  2. Animal housing
  3. Animal husbandry
  4. Behavior and behavior mechanisms
  5. Gilts
  6. Housing
  7. Mammals
  8. peer-reviewed
  9. piggeries
  10. pig housing
  11. Pigs
  12. sties
  13. Swine
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  1. peer-reviewed