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AbstractFull Text

The effect of thermal environment on the physiological responses of dairy cattle has been extensively studied as a way of characterizing situations of thermal stress caused by tension exerted by the environment to which animals are placed. The thermal requirements of animals vary with the stage of...

Author(s)
Dantas, M. R. T.; Souza Junior, J. B. F. de; Domingos, H. G. T.; Torquato, J. L.; SáFilho, G. F.; Costa, L. L. de M.
Publisher
F. B. Moreira, Londrina, Brazil
Citation
PUBVET, 2012, 6, 7, pp unpaginated
Abstract

Heat stress is a factor of economic losses linked to low results in pregnant cows. Artificial insemination results can be intensively harmed in regions with high ambient temperatures, like the Brazilian semiarid. This study aimed to determine the impact of heat stress on time fixed artificial...

Author(s)
Medeiros, J. M. F. de; Costa, L. L. de M.; Luz, V. B.; Bertevello, P. S.; Cordeiro, L. A. V.
Publisher
Universidade Federal Rural do Semi-Árido (UFERSA), Mossoro, Brazil
Citation
Acta Veterinaria Brasilica, 2014, 8, Suppl. 2, pp 89-90
Abstract

This paper presents a new thermal stress index for dairy cows in inter-tropical regions, with special mention to the semi-arid ones. Holstein cows were measured for rectal temperature (TR), respiratory rate (FR) and rates of heat exchange by convection (C), radiation (R), skin surface evaporation (...

Author(s)
Silva, R. G. da; Maia, A. S. C.; Costa, L. L. de M.
Publisher
Springer-Verlag GmbH, Berlin, Germany
Citation
International Journal of Biometeorology, 2015, 59, 5, pp 551-559