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Pig Age and Approachability Behavior to a Human Observer

By Shawna Weimar, Anna K. Johnson, Kenneth J. Stalder, Locke A. Karriker, Thomas Fangman

Category Reports
Abstract

The objective of this experiment was to determine if nursery pig age affected how many pigs touched and orientated to a human, or were classified as not-orientated during a human-animal interaction test using live human observation and digital image collection methodology. A complete randomized experimental design was utilized in this study where the pen of pigs was the experimental unit. Two methods, a human observer and a digital image, were assigned within rooms to all pens. Three age of pig treatments were compared; 6-weeks (n = 6 pens), 7-weeks (n = 10 pens) and 8-weeks (n = 11 pens). There were no differences for pig age when classified as touch, orientated and not orientated using the digital image (P > 0.05). Using the human method, more 7-week old pigs touched the human (P = 0.02). In conclusion, the digital image can be studied in more detail (on average each digital image was reviewed for 5 minutes) and hence, classifying pigs to these categories could be more accurate, resulting in no age differences for human approach in the pen between 6, 7 and 8 week old nursery pigs.

Submitter

Mason N McLary

HABRI Central

Date 2015
Volume 661
Issue 1
Pages 2
Publisher Iowa State University
Location of Publication Ames, Iowa
URL http://lib.dr.iastate.edu/ans_air/vol661/iss1/73/
Language English
Tags
  1. Animal-assisted activities
  2. Animal health and hygiene
  3. Animal roles
  4. Animals in culture
  5. Animal welfare
  6. Farm animals
  7. Food animals
  8. Health
  9. Human-animal interactions
  10. human observers
  11. Mammals
  12. Observation
  13. Physical environment
  14. pig age
  15. Pigs
  16. Social Environments