2016
DOI: 10.22319/rmcp.v7i3.4215
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Destete artificial en ovinos: respuesta de estrés y bienestar animal. Revisión

Abstract: El vínculo oveja-cordero se establece al parto y cambia a lo largo del periodo de lactación hasta el destete natural. El destete artificial es un manejo frecuentemente utilizado en los diferentes tipos de sistemas de producción ovina, que es realizado más tempranamente que el destete natural. Es uno de los eventos más estresantes en la vida del animal, ya que genera cambios fisiológicos y de comportamiento fuertemente indicadores de estrés, pudiendo afectar negativamente la salud y el bienestar animal tanto de… Show more

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Cited by 22 publications
(14 citation statements)
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References 54 publications
(200 reference statements)
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“…On the other hand, cortisol values of abruptly weaned lambs remained higher than that of progressively weaned lambs 24 and 48 h after feedlot entrancethus showing that bond separation, together with social separation, was more stresfull (Grubb and Jewell, 1966;Orihuela et al, 2004;Freitas-de Melo and Ungerfeld, 2016).…”
Section: Weaning and Production Performancementioning
confidence: 99%
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“…On the other hand, cortisol values of abruptly weaned lambs remained higher than that of progressively weaned lambs 24 and 48 h after feedlot entrancethus showing that bond separation, together with social separation, was more stresfull (Grubb and Jewell, 1966;Orihuela et al, 2004;Freitas-de Melo and Ungerfeld, 2016).…”
Section: Weaning and Production Performancementioning
confidence: 99%
“…Stressful situations during pregnancy, which were represented as a single challenge with lipopolysaccharide (LPS), compromise fetal development of lambs, particularly in the final third of gestation, wherein it can interfere with fetal growth and lead to life-long consequences (Iwasa et al, 2009;Hild et al, 2011;Coulon et al, 2012;Petit et al, 2015). Similarly, artificial weaning process is a well-documented source of stress in lambs even if they were not born from stressed ewes (Freitas de Melo and Ungerfeld, 2016). This phase can be firstly attributed to maternal separation and secondly to the changes in the lamb's access to food (Orgeur et al, 1998).…”
Section: Introductionmentioning
confidence: 99%
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“…En muchas situaciones vinculadas a la producción animal, las respuestas indicadoras de estrés no logran modificar la situación que las generó (25) . Esto sucede, por ejemplo, luego del destete, en que los animales no logran juntarse nuevamente (26) , durante el transporte en que el animal no puede evitar su traslado, o durante el reagrupamiento social (27) , en que el animal debe adaptarse a convivir con nuevos individuos previamente desconocidos. En estos casos, las respuestas son costosas para el animal, pero no se modifica la situación, por lo que el resultado final es deletéreo en lugar de ventajoso.…”
Section: Chronic Responseunclassified
“…In many situations related to animal production, the response is not enough to modify the situation (25) . This happens, for example, after weaning, in which animals fail to reunite again (26) , during the transport in which the animal cannot avoid its transfer, or after social grouping, as animals must adapt to live with new previously unknown individuals (27) . In these cases, the responses are expensive for the animal, and does not end changing the situation, so the result is deleterious rather than advantageous.…”
Section: Progesterona Y Respuesta De Estrés: Mecanismos De Acciónmentioning
confidence: 99%