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Bleeding efficiency, microbiological quality and oxidative stability of meat from goats subjected to slaughter without stunning in comparison with different methods of pre-slaughter electrical stunning


Citation

Sabow, Azad Behnan and Idrus, Zulkifli and Goh, Yong Meng and Ab Kadir, Mohd Zainal Abidin and Kaka, Ubedullah and Imlan, Jurhamid Columbres and Abubakar, Ahmed Abubakar and Adeyemi, Kazeem Dauda and Sazili, Awis Qurni (2016) Bleeding efficiency, microbiological quality and oxidative stability of meat from goats subjected to slaughter without stunning in comparison with different methods of pre-slaughter electrical stunning. PLOS ONE, 11 (4). art. no. e0152661. pp. 1-18. ISSN 1932-6203

Abstract / Synopsis

The influence of pre-slaughter electrical stunning techniques and slaughter without stunning on bleeding efficiency and shelf life of chevon during a 14 d postmortem aging were assessed. Thirty two Boer crossbred bucks were randomly assigned to four slaughtering techniques viz slaughter without stunning (SWS), low frequency head-only electrical stunning (LFHO; 1 A for 3 s at a frequency of 50 Hz), low frequency head-to-back electrical stunning (LFHB; 1 A for 3 s at a frequency of 50 Hz) and high frequency head-to-back electrical stunning (HFHB; 1 A for 3 s at a frequency of 850 Hz). The SWS, LFHO and HFHB goats had higher (p<0.05) blood loss and lower residual hemoglobin in muscle compared to LFHB. The LFHB meat had higher (p<0.05) TBARS value than other treatments on d 7 and 14 d postmortem. Slaughtering methods had no effect on protein oxidation. Higher bacterial counts were observed in LFHB meat compared to those from SWS, LFHO and HFHB after 3 d postmortem. Results indicate that the low bleed-out in LFHB lowered the lipid oxidative stability and microbiological quality of chevon during aging.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Faculty of Engineering
Faculty of Veterinary Medicine
Halal Products Research Institute
Institute of Tropical Agriculture
DOI Number: https://doi.org/10.1371/journal.pone.0152661
Publisher: Public Library of Science
Keywords: Pre-slaughter electrical stunning; Goat; Bleeding efficiency; Microbiological quality; Oxidative stability; Slaughter
Depositing User: Nabilah Mustapa
Date Deposited: 06 Jun 2017 16:15
Last Modified: 06 Jun 2017 16:15
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1371/journal.pone.0152661
URI: http://psasir.upm.edu.my/id/eprint/52389
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