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Commercial preslaughter blue light ambience for controlling broiler stress and meat qualities BABT
Barbosa,Claudia Freitas; Carvalho,Rafael Humberto de; Rossa,Alessandro; Soares,Adriana Lourenço; Coró,Fábio Augusto Garcia; Shimokomaki,Massami; Ida,Elza Iouko.
The objective of this work was to study the effect of blue light diffuser on the broiler stress control by measuring the occurrence of PSE meat just before slaughtering. Birds were divided into the following two groups before slaughter at the point of being hung on shackles: broiler group under low intensity blue light ambience (475, 17-20 lx) and control group under white light (550-650nm, 321-332 lx). Birds' stressful conditions were measured by the occurrence of PSE meat. Breast fillets were classified as PSE meat based on pH (<5.8) and lightness (L*&gt; 53.0). The fillet samples in the control group had the following characteristics: pHu=5.77, L* = 54.26 and b*= 6.27. The fillet samples from birds under blue light ambience had the following...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Color; Preslaughter handlings; PSE meat.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132013000500013
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Turkey Meat. Seasonal Effect on Meat Quality and on Dead on Arrival Index in a Commercial Plant BABT
Carvalho,Rafael Humberto de; Soares,Adriana Lourenço; Guarnieri,Paulo Donizete; Oba,Alexandre; Ida,Elza Iouko; Shimokomaki,Massami.
ABSTRACT The objective of this study was to determine the incidence of Pale, Soft, Exudative (PSE) meat and to characterize the Dark, Fim, Dry (DFD) meat as well as the Dead on Arrival (DOA) index in a commercial turkey slaughterhouse in southern Brazil during the summer and winter seasons. The journeys (n=64) were over a distance of 36 ± 20 km and took approximately 95 ± 20 min. Color (L*) and pH distribution of turkey breast meat (n=5,352) were evaluated from different farms (n=64) during the 2015-2016 years. The pH, water-holding capacity, color (L*, a*, b*) were used to establish cutoff values for DFD meat (L* < 44.0 and pH > 5.90) and presented correlation among them. The L* value was the highest during the summer (P<0.01), indicating the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal Welfare; Color Meat; DFD meat; PSE meat; Slaughterhouse.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132018000100505
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