Effects of High-Frequency Electrical Stunning Current Intensities on Pre-Slaughter Stunning Stress and Meat Lipid Oxidation in Geese
Intensive slaughtering with electrical stunning (ES) is replacing traditional manual slaughtering of geese in China. This study aimed to assess stunning stress and meat lipid oxidation in geese stunned by high-frequency current intensities. Forty male Yangzhou geese, 92 days old, were randomly alloc...
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MDPI AG
2021-08-01
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author | Lei Xu Haiming Yang Xiaoli Wan Xin Zhang Zhi Yang Zhiyue Wang |
author_facet | Lei Xu Haiming Yang Xiaoli Wan Xin Zhang Zhi Yang Zhiyue Wang |
author_sort | Lei Xu |
collection | DOAJ |
description | Intensive slaughtering with electrical stunning (ES) is replacing traditional manual slaughtering of geese in China. This study aimed to assess stunning stress and meat lipid oxidation in geese stunned by high-frequency current intensities. Forty male Yangzhou geese, 92 days old, were randomly allocated into five treatments with eight replicates per treatment. The geese in the control group were not stunned, while the other birds were stunned by alternating current (AC) in a water bath. Each bird received a current intensity of 20 mA (E20mA), 40 mA (E40mA), 70 mA (E70mA), or 100 mA (E100mA) for 10 s at 500 Hz. The gene expression of c-jun N-terminal kinase 1 tended to decrease in the E40mA birds (<i>p</i> = 0.08). Stunning with 40 mA resulted in the maximum serum uric acid and urea among the ES groups and decreased serum adrenocorticotropin and creatine kinase (<i>p</i> < 0.01) compared with 70 mA and 100 mA. Increasing the current intensity reduced the diphenylpicrylhydrazyl free radical elimination ability and total-superoxide dismutase linearly in goose breast meat at d 2 and in thigh meat at d 0 (all <i>p</i> < 0.01). Stunning geese with 40 mA at 500 Hz for 10 s could alleviate stunning stress and meat lipid oxidation. |
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issn | 2076-2615 |
language | English |
last_indexed | 2024-03-10T09:03:59Z |
publishDate | 2021-08-01 |
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spelling | doaj.art-10981328c98244a982dc038ef581301e2023-11-22T06:31:13ZengMDPI AGAnimals2076-26152021-08-01118237610.3390/ani11082376Effects of High-Frequency Electrical Stunning Current Intensities on Pre-Slaughter Stunning Stress and Meat Lipid Oxidation in GeeseLei Xu0Haiming Yang1Xiaoli Wan2Xin Zhang3Zhi Yang4Zhiyue Wang5College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225009, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225009, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225009, ChinaJoint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou 225009, ChinaCollege of Animal Science and Technology, Yangzhou University, Yangzhou 225009, ChinaIntensive slaughtering with electrical stunning (ES) is replacing traditional manual slaughtering of geese in China. This study aimed to assess stunning stress and meat lipid oxidation in geese stunned by high-frequency current intensities. Forty male Yangzhou geese, 92 days old, were randomly allocated into five treatments with eight replicates per treatment. The geese in the control group were not stunned, while the other birds were stunned by alternating current (AC) in a water bath. Each bird received a current intensity of 20 mA (E20mA), 40 mA (E40mA), 70 mA (E70mA), or 100 mA (E100mA) for 10 s at 500 Hz. The gene expression of c-jun N-terminal kinase 1 tended to decrease in the E40mA birds (<i>p</i> = 0.08). Stunning with 40 mA resulted in the maximum serum uric acid and urea among the ES groups and decreased serum adrenocorticotropin and creatine kinase (<i>p</i> < 0.01) compared with 70 mA and 100 mA. Increasing the current intensity reduced the diphenylpicrylhydrazyl free radical elimination ability and total-superoxide dismutase linearly in goose breast meat at d 2 and in thigh meat at d 0 (all <i>p</i> < 0.01). Stunning geese with 40 mA at 500 Hz for 10 s could alleviate stunning stress and meat lipid oxidation.https://www.mdpi.com/2076-2615/11/8/2376electrical stunninggoosestunning stresshypothalamus-pituitary-adrenal axisDPPH·EAmalondialdehyde |
spellingShingle | Lei Xu Haiming Yang Xiaoli Wan Xin Zhang Zhi Yang Zhiyue Wang Effects of High-Frequency Electrical Stunning Current Intensities on Pre-Slaughter Stunning Stress and Meat Lipid Oxidation in Geese Animals electrical stunning goose stunning stress hypothalamus-pituitary-adrenal axis DPPH·EA malondialdehyde |
title | Effects of High-Frequency Electrical Stunning Current Intensities on Pre-Slaughter Stunning Stress and Meat Lipid Oxidation in Geese |
title_full | Effects of High-Frequency Electrical Stunning Current Intensities on Pre-Slaughter Stunning Stress and Meat Lipid Oxidation in Geese |
title_fullStr | Effects of High-Frequency Electrical Stunning Current Intensities on Pre-Slaughter Stunning Stress and Meat Lipid Oxidation in Geese |
title_full_unstemmed | Effects of High-Frequency Electrical Stunning Current Intensities on Pre-Slaughter Stunning Stress and Meat Lipid Oxidation in Geese |
title_short | Effects of High-Frequency Electrical Stunning Current Intensities on Pre-Slaughter Stunning Stress and Meat Lipid Oxidation in Geese |
title_sort | effects of high frequency electrical stunning current intensities on pre slaughter stunning stress and meat lipid oxidation in geese |
topic | electrical stunning goose stunning stress hypothalamus-pituitary-adrenal axis DPPH·EA malondialdehyde |
url | https://www.mdpi.com/2076-2615/11/8/2376 |
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