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Differences in open field behavior between heterozygous and homozygous negative gilts for the RYR(1) gene

By E. Fabrega, A. Diestre, J. Font, D. Carrion, A. Velarde, J. L. Ruiz-de-la-Torre, X. Manteca

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Abstract

A test widely used to assess fear and novelty responses in domestic species is the open field. The aim of this study was to investigate the effect of RYR(1) genotype on open field behavior in growing pigs. The study subjected 15 heterozygous (Nn) and 15 RYR(1)-free (NN) gilts of 19 weeks of age to 3 replicates of an open field test 2 days apart from each other. The study measured the number of grid lines crossed and defecation score in the test arena. There was a significant individual correlation among the 3 replicates of the test, both for number of grid lines crossed and defecation score (p

Publication Title Journal of Applied Animal Welfare Science
Volume 7
Issue 2
Pages 83-93
ISBN/ISSN 1088-8705
Publisher Taylor & Francis
DOI 10.1207/s15327604jaws0702_1
Language English
Author Address Institut de Recerca i Tecnologia Agroalimentaries, Centre de Tecnologia de la Carn, Girona, Spain.Xavier.manteca@uab.es
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Tags
  1. Animal behavior
  2. Animal genetics
  3. Animal rights
  4. Animals
  5. Animal welfare
  6. Behavior and behavior mechanisms
  7. Crossbreds
  8. Defecation
  9. Genes
  10. Genotypes
  11. Gilts
  12. Heterozygosity
  13. Homozygotes
  14. Lines
  15. Mammals
  16. peer-reviewed
  17. Pigs
  18. Suiformes
  19. Swine
  20. ungulates
  21. vertebrates
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  1. peer-reviewed