2013
DOI: 10.1016/j.smallrumres.2012.12.018
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The effect of pre-slaughter stressors on physiological indicators and meat quality traits on Merino lambs

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Cited by 15 publications
(10 citation statements)
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“…Increase in cortisol concentration has been associated with feed-deprivation stress in Merino lamb (Zimerman et al, 2013), which contrasts with the results of cortisol found in the present paper. However, cortisol levels can vary greatly as it is a time-dependent response with high individual variability and therefore, comparisons among studies must be done with caution.…”
Section: Effect Of Handling During Lairage On Animal Welfarecontrasting
confidence: 99%
“…Increase in cortisol concentration has been associated with feed-deprivation stress in Merino lamb (Zimerman et al, 2013), which contrasts with the results of cortisol found in the present paper. However, cortisol levels can vary greatly as it is a time-dependent response with high individual variability and therefore, comparisons among studies must be done with caution.…”
Section: Effect Of Handling During Lairage On Animal Welfarecontrasting
confidence: 99%
“…Cortisol is commonly used to evaluate experimental situations involving animal welfare, as indicator of fear and excitement (Broom and Fraser, 2010). Stress stimulates the hypothalamic-adrenal cortex axis with subsequent release of cortisol (Zimerman et al, 2013, Chulayo et al, 2016. Cortisol in turn stimulates gluconeogenesis from amino acids and glycerol and elevates the blood NEFA concentrations (Lehninger, 2006).…”
Section: Discussionmentioning
confidence: 99%
“…Cortisol in turn stimulates gluconeogenesis from amino acids and glycerol and elevates the blood NEFA concentrations (Lehninger, 2006). High concentrations of cortisol, in association with hunger due to long periods of fasting in pre-slaughter, lead to an increase in protein catabolism (Kannan et al, 2000;Zimerman et al, 2013). Therefore, the greater stimulation of gluconeogenesis in the treatment without CG might have resulted in similar glucose concentrations between the treatments.…”
Section: Discussionmentioning
confidence: 99%
“…On the other hand, lairage allows animals to recover from the stress of transport and unloading, and consequently to improve meat quality (Rabaste et al, 2007). According to the results on lamb welfare blood indicators of our previous paper (Cózar et al, 2016) and of other authors (Zimerman et al, 2013), fasting during lairage could result stressful. In addition, feed deprivation during lairage would generate lower reserves of muscle glycogen and an increase of pH values of meat (Fisher et al, 2011).…”
Section: Meat Quality Phmentioning
confidence: 95%