Resumen

ODEON, M.M.  y  ROMERA, S.A.. Estrés en ganado: causas y consecuencias. Rev. vet. [online]. 2017, vol.28, n.1, pp.69-77. ISSN 1669-6840.

In recent years there has been an increasing importance on animal welfare standards due to the confluence of several factors, including: increased knowledge in different disciplines related to animal production (animal behavior, stress physiology and proper management of animals); the direct relationship between this knowledge and competitive production levels; and greater social awareness of the requirement of animals and the rejection of abuse. Thus, once the needs of increase in the supply of products are met, and other parameters to satisfy social demands in the field of livestock production are set, animal welfare becomes a priority. In this review we try to emphasize the importance of animal welfare, both for the quality of animals´ life and its impact on livestock production. The main stressors in cattle as well as the physiological effects and negative impacts on production, are presented. In the process of providing a better life to animals and to increase product quality there is an increasing number of countries with legal and regulatory requirements that determine welfare standards for animal handling. Animal welfare is becoming increasingly important throughout the world and Latin America is currently undergoing a process of adaptation to these international requirements

Palabras clave : livestock; animal welfare; stress factors; productive impact.

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