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Related Experiment Videos

Genetic parameter and breeding value estimation of donkeys' problem-focused coping styles.

Francisco Javier Navas González1, Jordi Jordana Vidal2, José Manuel León Jurado3

  • 1Department of Genetics, Faculty of Veterinary Sciences, University of Córdoba, Spain; The Worldwide Donkey Breeds Project, Faculty of Veterinary Sciences, University of Córdoba, Córdoba, Spain.

Behavioural Processes
|May 16, 2018
PubMed
Summary

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This study quantifies donkey coping styles, finding moderate heritability for traits influencing trainability and safety. Genetic selection can help preserve breeds and match donkeys to suitable roles.

Area of Science:

  • Animal Genetics
  • Animal Behaviour
  • Quantitative Genetics

Background:

  • Donkeys are valued for therapy and leisure riding.
  • Anecdotal evidence suggests reactive donkeys are easier to train than those exhibiting fight responses.
  • Quantifying and genetically selecting for neutral reaction traits is crucial for handler safety and donkey trainability.

Purpose of the Study:

  • To quantify coping style traits in Andalusian donkeys.
  • To estimate genetic parameters for these traits.
  • To explore the implications for breeding and breed preservation.

Main Methods:

  • Analysis of coping style scores from 300 Andalusian donkeys (2013-2015).
  • Application of three scales to assess responses to 12 stimuli.
Keywords:
Equus asinusFlightFreezeGenetic correlationsHeritabilitySelection index

Related Experiment Videos

  • Estimation of genetic parameters using multivariate models with fixed effects (year, sex, husbandry, stimulus) and covariables (age).

    • Main Results:

    • Moderate heritability estimates for coping style traits (0.18-0.21).
    • Negative phenotypic correlations between intensity and mood/emotion or response type (-0.21, -0.25).
    • Negative to moderately high genetic correlations between intensity and mood/emotion or response type (-0.46, -0.53).
    • High positive phenotypic and genetic correlations between mood/emotion and response type (0.92, 0.95).

    Conclusions:

    • Breeding values can facilitate genetic selection for desired donkey traits.
    • This selection can aid in endangered breed preservation.
    • Genetically selecting donkeys can optimize their suitability for specific roles, enhancing safety and trainability.