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Asian-Australas J Anim Sci > Volume 21(6); 2008 > Article
Review Paper
Asian-Australasian Journal of Animal Sciences 2008;21(6): 912-916.
DOI: https://doi.org/10.5713/ajas.2008.r.06    Published online May 7, 2008.
A Review: Influences of Pre-slaughter Stress on Poultry Meat Quality
Md. Shawkat Ali, Geun-Ho Kang, Seon Tea Joo*
Correspondence:  Seon Tea Joo,
Abstract
Pre-slaughter conditions affect poultry meat quality. Therefore, stresses before slaughter like heat stress, struggle and shackling on the shackle line, crating and transport and feed withdrawal are very important for the poultry industry in respect of quality as well as welfare of the birds. However, exposure to heat in oxidative stress can in turn lead to cytotoxicity in meat type birds. Chickens exposed to heat stress before slaughter showed the lowest ultimate pH and birds shackled for a longer time the highest. The abdominal fat content was higher in heat stressed birds. Struggling on the shackle line hastened the initial rate of the pH drop and increased the redness of breast meat. Again, with increasing struggling activity, lactate concentration in breast muscle of chicken increased. Paler meat was found in birds that were transported for a longer time than in those after a small journey or not transported. The pre-slaughter and eviscerated weights were decreased as the length of feed withdrawal period increased.
Keywords: Pre-slaughter Stress; Poultry Meat Quality
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