Journal
ANIMAL SCIENCE JOURNAL
Volume 87, Issue 2, Pages 293-298Publisher
WILEY
DOI: 10.1111/asj.12419
Keywords
broiler; meat quality; showing; stress; ventilation
Categories
Funding
- China Agriculture Research System [CARS-42]
- National Key Technology Research and Development Program of the Ministry of Science [31101308, 31171707]
- National Key Technology Research and Development Program of China [2012BAD28B01]
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Effects of pre-slaughter showering and ventilation on stress, meat quality and energy metabolism of broilers in summer were investigated. After transport, 84 Arbor Acres broilers were randomly divided into four treatment groups: (i) control group without ventilation and showering (C); (ii) 10min ventilation without showering (VWS); (iii) 10min showering without ventilation (SWV); (iv) 5min showering and then 5min ventilation (SV). Compared with the control group, plasma lactate dehydrogenase and creatine kinase activities in the other three treatment groups were (P<0.05) lower; however, the plasma glucose level did not show any significant changes among all the groups. The breast meat in the SV group had significantly (P<0.05) higher pH(u), glycogen content, lower L*, pH, drip loss, cook loss, R-value and lactate content than the control group; however, there was no significant difference in shear force values among all the groups. In conclusion, this study indicated broilers in the SV group showed a lower stress level and greater meat quality, which suggest that showering and ventilation after transportation may be a good measure to relieve stress caused by transport under high temperature and improve the meat quality of broilers.
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