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

Behavioural Processes
Francisco Javier Navas GonzálezJuan Vicente Delgado Bermejo

Abstract

Donkeys are recognized therapy or leisure-riding animals. Anecdotal evidence has suggested that more reactive donkeys or those more easily engaging flight mechanisms tend to be easier to train compared to those displaying the natural donkey behaviour of fight. This context brings together the need to quantify such traits and to genetically select donkeys displaying a neutral reaction during training, because of its implication with handler/rider safety and trainability. We analysed the scores for coping style traits from 300 Andalusian donkeys from 2013 to 2015. Three scales were applied to describe donkeys' response to 12 stimuli. Genetic parameters were estimated using multivariate models with year, sex, husbandry system and stimulus as fixed effects and age as a linear and quadratic covariable. Heritabilities were moderate, 0.18 ± 0.020 to 0.21 ± 0.021. Phenotypic correlations between intensity and mood/emotion or response type were negative and moderate (-0.21 and -0.25, respectively). Genetic correlations between the same variables were negative and moderately high (-0.46 and -0.53, respectively). Phenotypic and genetic correlations between mood/emotion and response type were positive and high (0.92 and 0.95, respectively)...Continue Reading

Citations

Nov 23, 2018·Animals : an Open Access Journal From MDPI·Francisco Javier Navas GonzálezJuan Vicente Delgado Bermejo
Aug 29, 2021·Research in Veterinary Science·Carlos Iglesias PastranaJuan Vicente Delgado Bermejo

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