[1] LI Y H,LIU Y Y,LI F N,et al.Effects of dietary ramie powder at various levels on carcass traits and meat quality in finishing pigs[J].Meat Science,2018,143:52-59.
[2] JAYARAMAN B,LA K V,LA H,et al.Supplementation of guanidinoacetic acid to pig diets:effects on performance,carcass characteristics,and meat quality[J].Journal of Animal Science,2018,96(6):2332-2341.

[3] LIU Y Y,LI Y H,PENG Y L,et al.Dietary mulberry leaf powder affects growth performance,carcass traits and meat quality in finishing pigs[J].Journal of Animal Physiology and Animal Nutrition,2019,103(6):1934-1945.

[4] OWEN K Q,WEEDEN T L,NELSSEN J L,et al.The effect of
L-carnitine additions on performance and carcass characteristics of growing-finishing swine[J].Swine Day,1993,71(10):117-121.
[5] OWEN K Q,SMITH Ⅱ J W,FRIESEN K G,et al.The effect of
L-carnitine on growth performance and carcass characteristics of growing-finishing pigs[J].Kansas Agricultural Experiment Station Research Reports,1994(10):161-164.
[6] RINCKER M J,CARTER S D,REAL D E,et al.Effects of increasing dietary
L-carnitine on growth performance of weanling pigs[J].Journal of Animal Science,2003,81(9):2259-2269.

[7] OWEN K Q,NELSSEN J L,GOODBAND R D,et al.Effect of
L-carnitine and soybean oil on growth performance and body composition of early-weaned pigs[J].Journal of Animal Science,1996,74(7):1612-1619.

[8] OWEN K Q,JIT H,MAXWELL C V,et al.Dietary
L-carnitine suppresses mitochondrial branched-chain keto acid dehydrogenase activity and enhances protein accretion and carcass characteristics of swine[J].Journal of Animal Science,2001,79(12):3104-3112.

[9] ZHANG L,YUE H Y,ZHANG H J,et al.Transport stress in broilers:Ⅰ.Blood metabolism,glycolytic potential,and meat quality[J].Poultry Science,2009,88(10):2033-2041.

[10] DUBOWITZ V,SEWRY C A,OLDFORS A.Muscle biopsy:a practical approach[M].5th ed.Netherlands:Elsevier,2020.
[11] MAO X B,GU C S,REN M,et al.
L-isoleucine administration alleviates rotavirus infection and immune response in the weaned piglet model[J].Frontiers in Immunology,2018,9:1654.
[12] ZENG X F,SUNKARA L T,JIANG W Y,et al.Induction of porcine host defense peptide gene expression by short-chain fatty acids and their analogs[J].PLoS One,2013,8(8):e72922.
[13] JAMES B W,TOKACH M D,GOODBAND R D,et al.Interactive effects of dietary ractopamine HCl and
L-carnitine on finishing pigs:Ⅰ.Growth performance[J].Journal of Animal Science,2013,91(7):3265-3271.

[14] OWEN K Q,NELSSEN J L,GOODBAND R D,et al.Effect of dietary
L-carnitine on growth performance and body composition in nursery and growing-finishing pigs[J].Journal of Animal Science,2001,79(6):1509-1515.

[15] JAMES B W,TOKACH M D,GOODBAND R D,et al.Effects of dietary
L-carnitine and ractopamine HCl on the metabolic response to handling in finishing pigs[J].Journal of Animal Science,2013,91(9):4426-4439.

[16] 王明鹏.饲料中添加肉毒碱可节约蛋白质的探讨[J].中国饲料,1996(7):21-23. WANG M P.Discussion on the saving of protein by adding carnitine to feed[J].China Feed,1996(7):21-23.(in Chinese)
[17] BONOMI A.The use of
DL-carnitine in fattening pig feeding[J].Rivista di Suinicoltura,1995,36(8):49-55.
[18] 王镜岩,朱圣庚,徐长法.生物化学教程[M].3版.北京:高等教育出版社,2008:230-256. WANG J Y,ZHU S G,XU C F.Biochemistry[M].3rd ed.Beijing:Higher Education Press,2008:230-256.(in Chinese)
[19] YING W,DEROUCHEY J M,TOKACH M D,et al.Effects of dietary
L-carnitine and DDGS on growth,carcass characteristics,and loin and fat quality of growing-finishing pigs[C]//Swine Day.Manhattan:Kansas State University,2011:319-329.
[20] HEO K,ODLE J,HAN I K,et al.Dietary
L-carnitine improves nitrogen utilization in growing pigs fed low energy,fat-containing diets[J].The Journal of Nutrition,2000,130(7):1809-1814.

[21] 陈代文,张克英,胡祖禹.猪肉品质特征的形成原理[J].四川农业大学学报,2002,20(1):60-66. CHEN D W,ZHANG K Y,HU Z Y.The mechanism for developing pork quality traits[J].Journal of Sichuan Agricultural University,2002,20(1):60-66.(in Chinese)
[22] 孟庆维,李嘉男,吴迪,等.大豆磷脂和
L-肉碱对生长育肥猪生长性能、胴体品质、肉品质、脂肪酸组成及抗氧化能力的影响[C]//中国畜牧兽医学会动物营养学分会第十二次动物营养学术研讨会论文集.武汉:中国农业大学出版社,2016. MENG Q W,LI J N,WU D,et al.Effects of soybean lecithin and
L-carnitine on growth performance,carcass quality,meat quality,fatty acid composition and antioxidant capacity of growing-finishing pigs[C]//Proceedings of the 12th Symposium on Animal Nutrition,Animal Nutrition Branch,Chinese Association of Animal Science and Veterinary Medicine.Wuhan:China Agricultural University Press,2016.(in Chinese)
[23] JAMES B W.Effect of dietary
L-carnitine on finishing pig growth performance,meat quality,and stress parameters during handling[D].Ph.D. Thesis.Manhattan:Kansas State University,2009:24-25.
[24] 杨彩梅.半胱胺、
L-肉碱对肥育猪生长性能和胴体品质的影响[J].养猪,2005(4):17-19. YANG C M.Effects of cysteamine and
L-carnitine on growth performance and carcass quality of finishing pigs[J].Swine Production,2005(4):17-19.(in Chinese)
[25] 翟峰,张勇.钙蛋白酶抑制蛋白与肉嫩度相关性[J].中国饲料,2007(16):11-12,19. ZHAI F,ZHANG Y.Correlation between calpastatin and meat tenderness[J].China Feed,2007(16):11-12,19.(in Chinese)
[26] YING W,TOKACH M D,DEROUCHEY J M,et al.Effects of dietary
L-carnitine and dried distillers grains with solubles on growth,carcass characteristics,and loin and fat quality of growing-finishing pigs[J].Journal of Animal Science,2013,91(7):3211-3219.

[27] CHANG K C,FERNANDES K.Developmental expression and 5' end cDNA cloning of the porcine 2x and 2b myosin heavy chain genes[J].DNA & Cell Biology,1997,16(12):1429-1437.

[28] CHOE J H,CHOI Y M,LEE S H,et al.The relation between glycogen,lactate content and muscle fiber type composition,and their influence on postmortem glycolytic rate and pork quality[J].Meat Science,2008,80(2):355-362.

[29] MENG Q W,SUN S S,SUN Y C,et al.Effects of dietary lecithin and
L-carnitine on fatty acid composition and lipid-metabolic genes expression in subcutaneous fat and
longissimus thoracis of growing-finishing pigs[J].Meat Science,2017,136:68-78.
[30] 李凤娜,王继成,陈晓安.猪肉品质及其影响因素的研究概况[J].肉类研究,2006(7):9,46-50. LI F N,WANG J C,CHEN X A.General situation of pork quality and affecting factors[J].Meat Research,2006(7):9,46-50.(in Chinese)
[31] WOOD J D,RICHARDSON R I,NUTE G R,et al.Effects of fatty acids on meat quality:a review[J].Meat Science,2003,66(1):21-32.
[32] 沈元新,徐继初.金华猪及其杂种肌肉组织学特性与肉质的关系[J].浙江农业大学学报,1984,10(3):265-272. SHEN Y X,XU J C.The relationship between the muscle tissue characteristics of
Jinhua swine and its hybrid and its meat quality[J].Journal of Zhejiang Agricultural University,1984,10(3):265-272.(in Chinese)
[33] 王亚鸣,刘龙芳.江西玉山猪肌肉组织学特征与肉质的关系[J].江西农业大学学报,1994,16(3):284-287. WANG Y M,LIU L F.The relationship between muscular histological character and meat quality of
Yushan swine in
Jiangxi province[J].Acta Agriculturae Universitatis Jiangxiensis,1994,16(3):284-287.(in Chinese)
[34] 高顺宾.左旋肉碱对生长肥育猪生长性能、胴体组成和肉质的影响及其机理探讨[D].硕士学位论文.杭州:浙江大学,2001. GAO S B.The effects of
L-carnitine on growth performance,carcass characteristics and meat quality and approach to the mechanism of action in growing-finishing swine[D].Master's Thesis.Hangzhou:Zhejiang University,2001.(in Chinese)
[35] ZHENG J L,LUO Z,ZHUO M Q,et al.Dietary
L-carnitine supplementation increases lipid deposition in the liver and muscle of yellow catfish (
Pelteobagrus fulvidraco) through changes in lipid metabolism[J].British Journal of Nutrition,2014,112(5):698-708.

[36] SMITH S,WITKOWSKI A,JOSHI A K.Structural and functional organization of the animal fatty acid synthase[J].Progress in Lipid Research,2003,42(4):289-317.

[37] JENSEN-URSTAD A P L,SEMENKOVICH C F.Fatty acid synthase and liver triglyceride metabolism:housekeeper or messenger[J].Biochimica et Biophysica Acta:Molecular and Cell Biology of Lipids,2012,1821(5):747-753.

[38] 敖秋桅.骨骼肌肌纤维类型与巴马香猪肉质性状的相关性研究[D].硕士学位论文.南宁:广西大学,2014. AO Q W.Study on the relationship between the muscle fiber types with meat quality traits of
Bama Xiang pig[D].Master's Thesis.Nanning:Guangxi University,2014.(in Chinese)
[39] 冯岗,孙宝忠,卢凌,等.肌内脂肪与背最长肌肉质、脂肪酸组成的关系[J].食品工业科技,2013,34(10):129-132. FENG G,SUN B Z,LU L,et al.Relationships between intramuscular fat and pork quality,fatty acid composition of pig
longissimus muscle[J].Science and Technology of Food Industry,2013,34(10):129-132.(in Chinese)