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Andrade O, Orihuela A, Solano J, et al. Some effects of repeated handling and the use of a mask on stress responses in zebu cattle during restraint. Appl Anim Behav Sci. 2001;71(3):175-181doi: 10.1016/s0168-1591(00)00177-5.
Andrade, O., Orihuela, A., Solano, J., & Galina, C. S. (2001). Some effects of repeated handling and the use of a mask on stress responses in zebu cattle during restraint. Applied animal behaviour science, 71(3), 175-181. https://doi.org/10.1016/s0168-1591(00)00177-5
Andrade, O, et al. "Some effects of repeated handling and the use of a mask on stress responses in zebu cattle during restraint." Applied animal behaviour science vol. 71,3 (2001): 175-181. doi: https://doi.org/10.1016/s0168-1591(00)00177-5
Andrade O, Orihuela A, Solano J, Galina CS. Some effects of repeated handling and the use of a mask on stress responses in zebu cattle during restraint. Appl Anim Behav Sci. 2001 Mar 02;71(3):175-181. doi: 10.1016/s0168-1591(00)00177-5. PMID: 11230898.
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Appl Anim Behav Sci. 2001 Mar 02;71(3):175-181. doi: 10.1016/s0168-1591(00)00177-5.

Some effects of repeated handling and the use of a mask on stress responses in zebu cattle during restraint.

Applied animal behaviour science

O Andrade, A Orihuela, J Solano, C S. Galina

Affiliations

  1. Centro de Bachillerato Tecnológico agropecuario No. 8 de Xoxocotla, Morelos, Mexico

PMID: 11230898 DOI: 10.1016/s0168-1591(00)00177-5

Abstract

The objective of this investigation was to evaluate the effect of repeated handling and the use of a mask on the order of entry, temperament, cortisol concentration and heart and respiratory rates of Brahman cattle during restraint in a squeeze chute. In the first experiment, 18 cows were restrained in the chute for 10min on 19 test-days and blood samples were collected during five of the trials. Habituation to handling was reflected by a decrease in cortisol concentration as the study advanced (P<0.01). In the second experiment, conducted 6 months later, animals were randomly allotted to two groups, alternating the use of a mask over test-days while restraining the cows in the chute for 3min. Respiratory and heart rates were measured at the beginning and end of each 3min trial. A blood sample was also taken at the end of each trial. Respiratory rates decreased while the animals were restrained and this decrease tended to be greater (P=0.09) when the animals were wearing masks (3.06) than when not (2.2breaths/min). Heart rates also decreased and more so for masked animals (10.6beats/min) than for non-masked (5.0, P<0.01). Cortisol values tended to be higher (9.9 versus 4.7ng/ml, P=0.08) when animals were restrained without a mask. Temperament scores were lower (P>0.01) when cows were masked and have a relative high correlation (r=0.58) with flight distance values, (P<0.05). Finally, the order of entrance was found consistent over test-days, (P<0.01). It is concluded that Brahman cattle: (a) habituate to repeat handling in a squeeze chute; (b) are less emotionally reactive when their eyes were covered during this process and (c) establish a repeatable order of entrance to the chute.

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