Genetic comparison of carcass and meat quality traits of different strain Duroc three-way cross hybrid pigs

QUAN Jianping; YANG Ming; DING Rongrong; YANG Linxue; LIU Jingshun; LIU Jia; GU Ting; LIU Dewu; CAI Gengyuan; WU Zhenfang; YANG Jie; ZHENG Enqin

doi:10.7671/j.issn.1001-411X.2016.06.007

Journal of South China Agricultural University > 2016 > 37(6): 46-51. > DOI: 10.7671/j.issn.1001-411X.2016.06.007

QUAN Jianping, YANG Ming, DING Rongrong, YANG Linxue, LIU Jingshun, LIU Jia, GU Ting, LIU Dewu, CAI Gengyuan, WU Zhenfang, YANG Jie, ZHENG Enqin. Genetic comparison of carcass and meat quality traits of different strain Duroc three-way cross hybrid pigs[J]. Journal of South China Agricultural University, 2016, 37(6): 46-51. DOI: 10.7671/j.issn.1001-411X.2016.06.007

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Genetic comparison of carcass and meat quality traits of different strain Duroc three-way cross hybrid pigs

QUAN Jianping^{1, †,},
YANG Ming^{2, †,},
DING Rongrong¹,
YANG Linxue¹,
LIU Jingshun²,
LIU Jia²,
GU Ting¹,
LIU Dewu¹,
CAI Gengyuan^{1, 2},
WU Zhenfang^{1, 2},
YANG Jie^1, ,,
ZHENG Enqin^1, ,

1.
College of Animal Science, South China Agricultural University/National Engineering Research Center for Breeding Swine Industry, Guangzhou 510642, China
2.
Guangdong Wens Foodstuffs Co., Ltd., /National Engineering Research Center For Breeding Swine Industry, Xinxing 527439, China

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Received Date: March 27, 2016
Available Online: May 17, 2023

Graphical Abstract

Abstract

Abstract

Objective
To assess the carcass and meat quality traits of American Duroc×(Landrace×Yorkshire) three-way cross hybrid (ADLY) pigs and Taiwan Duroc×(Landrace×Yorkshire) three-way cross hybrid (TDLY) pigs, and to analyze the effects of breed and gender on these traits.
Method
A total of 203 pigs including 118 ADLY pigs (50 barrows, 68 sows) and 85 TDLY pigs (57 barrows, 28 sows) with similar body mass (110±5) kg were slaughtered in the same abattoir, and were measured for carcass traits such as live mass, carcass mass, loin eye area, backfat thickness and loin eye depth, and meat quality traits such as meat color, marbling, PSE (Pale, soft, exudative) value and electrical conductivity. The measurements were statistically analyzed.
Result
All carcass traits of TDLY pigs were better than those of ADLY pigs except for lean meat percentage (P < 0.01), and the meat color, electrical conductivity and a^* value of TDLY pigs were better than those of ADLY pigs (P < 0.05), while ADLY pigs had higher PSE value and shear force compared with TDLY pigs (P < 0.05). Compared to sows, castrated boars had thicker backfat (P < 0.01) and lower lean meat percentage (P < 0.05). The sows of TDLY pigs had higher electrical conductivity and L^* value compared to boars (P < 0.05), while the boars of ADLY pigs had much better marbling and smaller loin eye area compared to sows (P < 0.05).
Conclusion
In general the carcass traits of TDLY pigs were better compared to ADLY pigs, while the meat quality traits were better for the latter. The carcass traits of sows were better than those of castrated boars for both ADLY and TDLY pigs.
- Duroc,
- three-way cross hybrid pig,
- meat quality trait,
- carcass trait

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References

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Genetic comparison of carcass and meat quality traits of different strain Duroc three-way cross hybrid pigs

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