Developmental changes of carcass composition, meat quality and organs in the Jinhua pig and Landrace

The present study was aimed to compare the developmental changes of carcass composition, meat quality characteristics and organ weight in pigs of different breeds. Six pigs (sex balance) of each breed were slaughtered at 35, 80 and 125 days of age, respectively. The carcass was chilled and the left...

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Main Authors: Z.-G. Miao, L.-J. Wang, Z.-R. Xu, J.-F. Huang, Y.-R. Wang
Format: Article
Language:English
Published: Elsevier 2009-01-01
Series:Animal
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1751731108003613
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author Z.-G. Miao
L.-J. Wang
Z.-R. Xu
J.-F. Huang
Y.-R. Wang
author_facet Z.-G. Miao
L.-J. Wang
Z.-R. Xu
J.-F. Huang
Y.-R. Wang
author_sort Z.-G. Miao
collection DOAJ
description The present study was aimed to compare the developmental changes of carcass composition, meat quality characteristics and organ weight in pigs of different breeds. Six pigs (sex balance) of each breed were slaughtered at 35, 80 and 125 days of age, respectively. The carcass was chilled and the left carcass side was dissected into bone, lean meat, fat and skin; additionally, organ weight and meat quality parameters were observed. Carcasses of the Jinhua pig were lighter (P < 0.001), contained less lean meat percentage (P < 0.01) and more carcass fat percentage (P < 0.05) than did carcasses of the Landrace. L*-values were lower in Jinhua pigs than in Landrace at 125 days of age (P < 0.05), but the Jinhua pig had higher a*-values compared with Landrace at the age of 80 days (P < 0.01) and 125 days (P < 0.01), respectively. In addition, Jinhua pigs showed lower colour scores (P < 0.05), higher intramuscular fat (IMF) percentage (P < 0.05), less marbling scores (P < 0.05) and lower drip loss (P < 0.05) than Landrace. For organ weight, Jinhua pigs had higher relative heart weight at the age of 80 days (P < 0.05) and 125 days (P < 0.001), and higher relative liver weight at 125 days of age (P < 0.01) than that of Landrace. In addition, the relative kidney weight was heavier (P < 0.001) in the Jinhua pig than in the Landrace during the whole experiment. These results indicated that developmental changes of carcass composition, meat quality parameters and organ weight displayed breed differences. Jinhua pigs were fatter than Landrace but the former had better quality characteristics in the meat.
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spelling doaj.art-934001ae6e7644f3968dc302c947dc472022-12-21T18:28:06ZengElsevierAnimal1751-73112009-01-0133468473Developmental changes of carcass composition, meat quality and organs in the Jinhua pig and LandraceZ.-G. Miao0L.-J. Wang1Z.-R. Xu2J.-F. Huang3Y.-R. Wang4Key Laboratory for Molecular Animal Nutrition of Ministry of Education, Institute of Feed Science, College of Animal Science, Zhejiang University (Huajiachi Campus) Qiutao North Road 164, Hangzhou 310029, PR China; College of Animal Science, Henan Institute of Science and Technology, XinXiang 453003, ChinaKey Laboratory for Molecular Animal Nutrition of Ministry of Education, Institute of Feed Science, College of Animal Science, Zhejiang University (Huajiachi Campus) Qiutao North Road 164, Hangzhou 310029, PR ChinaKey Laboratory for Molecular Animal Nutrition of Ministry of Education, Institute of Feed Science, College of Animal Science, Zhejiang University (Huajiachi Campus) Qiutao North Road 164, Hangzhou 310029, PR ChinaDepartment of Animal Medicine, Agriculture College of Yanbian University, LongJing 133400, ChinaCollege of Animal Science, Henan Institute of Science and Technology, XinXiang 453003, ChinaThe present study was aimed to compare the developmental changes of carcass composition, meat quality characteristics and organ weight in pigs of different breeds. Six pigs (sex balance) of each breed were slaughtered at 35, 80 and 125 days of age, respectively. The carcass was chilled and the left carcass side was dissected into bone, lean meat, fat and skin; additionally, organ weight and meat quality parameters were observed. Carcasses of the Jinhua pig were lighter (P < 0.001), contained less lean meat percentage (P < 0.01) and more carcass fat percentage (P < 0.05) than did carcasses of the Landrace. L*-values were lower in Jinhua pigs than in Landrace at 125 days of age (P < 0.05), but the Jinhua pig had higher a*-values compared with Landrace at the age of 80 days (P < 0.01) and 125 days (P < 0.01), respectively. In addition, Jinhua pigs showed lower colour scores (P < 0.05), higher intramuscular fat (IMF) percentage (P < 0.05), less marbling scores (P < 0.05) and lower drip loss (P < 0.05) than Landrace. For organ weight, Jinhua pigs had higher relative heart weight at the age of 80 days (P < 0.05) and 125 days (P < 0.001), and higher relative liver weight at 125 days of age (P < 0.01) than that of Landrace. In addition, the relative kidney weight was heavier (P < 0.001) in the Jinhua pig than in the Landrace during the whole experiment. These results indicated that developmental changes of carcass composition, meat quality parameters and organ weight displayed breed differences. Jinhua pigs were fatter than Landrace but the former had better quality characteristics in the meat.http://www.sciencedirect.com/science/article/pii/S1751731108003613Jinhua pigsLandracecarcass compositionmeat qualityorgan weight
spellingShingle Z.-G. Miao
L.-J. Wang
Z.-R. Xu
J.-F. Huang
Y.-R. Wang
Developmental changes of carcass composition, meat quality and organs in the Jinhua pig and Landrace
Animal
Jinhua pigs
Landrace
carcass composition
meat quality
organ weight
title Developmental changes of carcass composition, meat quality and organs in the Jinhua pig and Landrace
title_full Developmental changes of carcass composition, meat quality and organs in the Jinhua pig and Landrace
title_fullStr Developmental changes of carcass composition, meat quality and organs in the Jinhua pig and Landrace
title_full_unstemmed Developmental changes of carcass composition, meat quality and organs in the Jinhua pig and Landrace
title_short Developmental changes of carcass composition, meat quality and organs in the Jinhua pig and Landrace
title_sort developmental changes of carcass composition meat quality and organs in the jinhua pig and landrace
topic Jinhua pigs
Landrace
carcass composition
meat quality
organ weight
url http://www.sciencedirect.com/science/article/pii/S1751731108003613
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