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Open-field test behaviour of growing swine maintained on a concrete floor and a pasture

By L. Taylor, T. H. Friend

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Abstract

Open-field test behaviours of 5 barrows and 5 gilts from each of two housing treatments were recorded for 5-minute periods. The pigs had been housed in their respective systems (pasture or concrete floor) for 6 weeks and averaged 18 weeks old at the time of the experiment. The 38 x 198-m pasture (P) contained approximately 70% grass of grazeable length and housed 49 pigs. The 3.7 x 7.6-m concrete feeding floor (FF) was located in an open-front building and housed 34 pigs. The open-field tests were conducted in a 3 x 12-m enclosure on pasture. Data collected include time spent chewing, grazing, nudging, sniffing or rooting, number of vocalizations, and time spent lying, standing, walking or trotting. FF pigs spent more time grazing and chewing than did P pigs. Standing time was also greater for FF pigs. Only P pigs lay down during the test period.

Date 1986
Publication Title Applied Animal Behaviour Science
Volume 16
Issue 2
Pages 143-148
ISBN/ISSN 0168-1591
Language English
Author Address Dep. Anim. Sci., A&M Univ., College Station, TX 77843, USA.
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Tags
  1. Animal behavior
  2. Animal health and hygiene
  3. Animal housing
  4. Extension
  5. Farms
  6. Floors
  7. Grasslands and rangelands
  8. Housing
  9. Mammals
  10. Meat animals
  11. peer-reviewed
  12. Swine
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  1. peer-reviewed