Breed and selection line differences in the temperament of beef cattle.

PIOVEZAN, U.; CYRILLO, J. N. dos S. G.; COSTA, M. J. R. P. da; UBIRATAN PIOVEZAN, CPAP; JOSLAINE NOELY DOS SANTOS GONÇALVES CYRILLO, INSTITUTO DE ZOOTECNIA; MATEUS JOSÉ RODRIGUES PARANHOS DA COSTA, UNESP.

Breed and selection line differences in the temperament of beef cattle.

2013

PIOVEZAN, U. | CYRILLO, J. N. dos S. G. | COSTA, M. J. R. P. da | UBIRATAN PIOVEZAN, CPAP; JOSLAINE NOELY DOS SANTOS GONÇALVES CYRILLO, INSTITUTO DE ZOOTECNIA; MATEUS JOSÉ RODRIGUES PARANHOS DA COSTA, UNESP.

The temperament of four beef cattle breeds were measured using a flight time test (FT) and a behavior score test (BST). FT was defined as the time taken by animals to cross a distance of 2 m after weight scale. The BST used a visual assessment of cattle behavior in which the results of four categories defined the score: movements, breathing intensity, vocalization and kicking. FT and BST coefficients of heritability were estimated using the restricted maximum likelihood, considering half siblings.

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