Comparison of carcass and meat quality traits between lean and fat Pekin ducks.
Comparison of carcass and meat quality traits between lean and fat Pekin ducks.
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DOI：
10.5713/ajas.19.0612
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发表时间：
2021-07
影响因子：
2.2
通讯作者：
Hou ZC
中科院分区：
文献类型：
--
作者：
Ding SR;Li GS;Chen SR;Zhu F;Hao JP;Yang FX;Hou ZC
根据市场需求，肉鸭育种主要有瘦肉型北京鸭和肥育型北京鸭2个方向。本研究旨在比较2个品系猪的胴体品质和肉质性状，为指导猪的加工和肉质改良提供基础数据。试验选用42日龄的北京鸭62只，其中半番鸭32只，半番鸭30只。测定并计算其活体重和胴体性状。用质构仪测定胸肌的物理性质，石蜡切片测定肌纤维的形态。采用高效液相色谱法、索氏提取法和自动气相色谱法分别测定肌内肌苷酸（IMP）、肌内脂肪（IMF）和脂肪酸组成。结果表明，LPD的体重高于FPD。FPD组皮下脂肪厚度、皮下脂肪重量、皮下脂肪百分比、腹脂百分比和腹脂剪切力均显著高于LPD组（p<0.01）。胸肌厚度、胸肌重量、胸肌率和胸肌剪切力均显著高于对照组（p<0.01）。LPD组肌纤维平均面积和肌纤维直径均显著高于FPD组（p<0.01）。LPD组肌纤维密度显著低于FPD组（p<0.01）。胸肌中LPDs的IMF显著高于FPDs（p<0.01）。IMP含量在两个品系间差异不显著（p>0.05）。LPD组多不饱和脂肪酸含量显著高于FPD组（p<0.01），FPD组饱和脂肪酸和单不饱和脂肪酸含量显著高于FPD组（p<0.05）。长期的选育工作使两个品系的北京鸭存在着巨大的差异。这项研究为长期选择的结果，LPD和FPD之间的差异提供了参考。
According to market demand, meat duck breeding mainly includes 2 breeding directions: lean Pekin duck (LPD) and fat Pekin duck (FPD). The aim of the present study was to compare carcass and meat quality traits between 2 strains, and to provide basic data for guidelines of processing and meat quality improvement. A total of 62 female Pekin ducks (32 LPDs and 30 FPDs) were slaughtered at the age of 42 days. The live body weight and carcass traits were measured and calculated. Physical properties of breast muscle were determined by texture analyzer and muscle fibers were measured by paraffin sections. The content of inosine monophosphate (IMP), intramuscular fat (IMF) and fatty acids composition were measured by high-performance liquid chromatography, Soxhlet extraction method and automated gas chromatography respectively. The results showed that the bodyweight of LPDs was higher than that of FPDs. FPDs were significantly higher than LPDs in subcutaneous fat thickness, subcutaneous fat weight, subcutaneous fat percentage, abdominal fat percentage and abdominal fat shear force (p<0.01). LPDs were significantly higher than FPDs in breast muscle thickness, breast muscle weight, breast muscle rate and breast muscle shear force (p<0.01). The muscle fiber average area and fiber diameter of LPDs were significantly higher than those of FPDs (p<0.01). The muscle fiber density of LPDs was significantly lower than that of FPDs (p<0.01). The IMF of LPDs in the breast muscle was significantly higher than that in the FPDs (p<0.01). There was no significant difference between the 2 strains in IMP content (p>0.05). The polyunsaturated fatty acid content of LPDs was significantly higher than that of FPDs (p<0.01), and FPDs had higher saturated fatty acid and monounsaturated fatty acid levels (p<0.05). Long-term breeding work resulted in vast differences between the two strains Pekin ducks. This study provides a reference for differences between LPD and FPD that manifest as a result of long-term selection.
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影响因子：
7.1
作者：
Joo, S. T.;Kim, G. D.;Ryu, Y. C.
通讯作者：
Ryu, Y. C.
DOI：
10.5713/ajas.2013.13097
发表时间：
2013-10-01
期刊：
ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES
影响因子：
--
作者：
Yin, H. D.;Gilbert, E. R.;Zhu, Q.
通讯作者：
Zhu, Q.
影响因子：
4.4
作者：
SMITH, DP;FLETCHER, DL
通讯作者：
FLETCHER, DL
影响因子：
4.4
作者：
Lin, Fang-Bin;Zhu, Feng;Hou, Zhuo-Cheng
通讯作者：
Hou, Zhuo-Cheng
影响因子：
2
作者：
Ye, M. H.;Chen, J. L.;Wen, J.
通讯作者：
Wen, J.