[1] ZHANG C,GENG Z Y,CHEN K K,et al.
L-theanine attenuates transport stress-induced impairment of meat quality of broilers through improving muscle antioxidant status[J].Poultry Science,2019,98(10):4648-4655.

[2] BEN Y J,FU C X,HU M,et al.Human health risk assessment of antibiotic resistance associated with antibiotic residues in the environment:a review[J].Environmental Research,2019,169:483-493.
[3] LYU J,YANG L S,ZHANG L,et al.Antibiotics in soil and water in China-a systematic review and source analysis[J].Environmental Pollution,2020,266:115147.
[4] 王锦.硒和维生素E缓解肉鸡氧化应激的研究[D].硕士学位论文.杨凌:西北农林科技大学,2012. WANG J.Dietary selenium and vitamin E alleviate DEX-induced oxidative stress in broilers[D].Master's Thesis.Yangling:Northwest A & F University,2012.(in Chinese)
[5] LU Z,HE X F,MA B B,et al.Dietary taurine supplementation improves breast meat quality in chronic heat-stressed broilers via activating the Nrf2 pathway and protecting mitochondria from oxidative attack[J].Journal of the Science of Food and Agriculture,2019,99(3):1066-1072.

[6] WANG K L,CAO G T,ZHANG H R,et al.Effects of
Clostridium butyricum and
Enterococcus faecalis on growth performance,immune function,intestinal morphology,volatile fatty acids,and intestinal flora in a piglet model[J].Food & Function,2019,10(12):7844-7854.

[7] LIU Y H,LI Y Y,FENG X C,et al.Dietary supplementation with
Clostridium butyricum modulates serum lipid metabolism,meat quality,and the amino acid and fatty acid composition of Peking ducks[J].Poultry Science,2018,97(9):3218-3229.

[8] 中华人民共和国国家卫生和计划生育委员会.GB 5009.3-2016食品安全国家标准食品中水分的测定[S].北京:中国标准出版社,2017. National Health and Family Planning Commission of the People's Republic of China.GB 5009.3-2016 National food safety standard of determination of moisture in food[S].Beijing:China Standard Press,2017.(in Chinese)
[9] 中华人民共和国国家卫生和计划生育委员会.GB 5009.4-2016食品安全国家标准食品中灰分的测定[S].北京:中国标准出版社,2017. National Health and Family Planning Commission of the People's Republic of China.GB 5009.4-2016 National food safety standard of determination of crude ash in food[S].Beijing:China Standard Press,2017.(in Chinese)
[10] 国家卫生和计划生育委员会,国家食品药品监督管理总局.GB 5009.5-2016食品安全国家标准食品中蛋白质的测定[S].北京:中国标准出版社,2017. National Health and Family Planning Commission,China Food and Drug Administration.GB 5009.5-2016 National food safety standard of determination of crude protein in food[S].Beijing:China Standard Press,2017.(in Chinese)
[11] 国家卫生和计划生育委员会,国家食品药品监督管理总局.GB 5009.6-2016食品安全国家标准食品中脂肪的测定[S].北京:中国标准出版社,2017. National Health and Family Planning Commission,China Food and Drug Administration.GB 5009.6-2016 National food safety standard of determination of ether extract in food[S].Beijing:China Standard Press,2017.(in Chinese)
[12] IBRAHIM D,KISHAWY A T Y,KHATER S I,et al.Effect of dietary modulation of selenium form and level on performance,tissue retention,quality of frozen stored meat and gene expression of antioxidant status in ross broiler chickens[J].Animals,2019,9(6):342.
[13] 张彩云,刘来亭,杜灵广,等.酪酸芽孢杆菌对断奶仔猪生产性能和血清生化指标的影响[J].中国畜牧杂志,2009,45(13):43-45. ZHANG C Y,LIU L T,DU L G,et al.Effects of
Clostridium butyricum on growth performance and serum biochemical index of weaned pigs[J].Chinese Journal of Animal Science,2009,45(13):43-45.(in Chinese)
[14] MENG Q W,YAN L,AO X,et al.Influence of probiotics in different energy and nutrient density diets on growth performance,nutrient digestibility,meat quality,and blood characteristics in growing-finishing pigs[J].Journal of Animal Science,2010,88(10):3320-3326.

[15] 赵旭.丁酸梭菌对肉鸡脂肪代谢的影响及其机理研究[D].博士学位论文.北京:中国农业大学,2014. ZHAO X.Effects of
Clostridium butyricum on lipid metabolism of broiler chickens and its underlying mechanism[D].Ph.D. Thesis.Beijing:China Agricultural University,2014.(in Chinese)
[16] KUROIWA T,KOBARI K,IWANAGA M.Inhibition of enteropathogens by
Clostridium butyricum MIYAIRI 588[J].Kansenshogaku Zasshi,1990,64(3):257-263.

[17] FERNÁNDEZ-BARROSO M Á,SILIÓ L,RODRÍGUEZ C,et al.Genetic parameter estimation and gene association analyses for meat quality traits in open-air free-range iberian pigs[J].Journal of Animal Breeding and Genetics,2020,137(4):581-598.
[18] WEN Y Y,LIU H H,LIU K,et al.Analysis of the physical meat quality in partridge (
Alectoris chukar) and its relationship with intramuscular fat[J].Poultry Science,2020,99(2):1225-1231.

[19] 孙京新.冷却猪肉肉色质量分析与评定及肉色稳定性研究[D].博士学位论文.南京:南京农业大学,2004. SUN J X.Analysis and assessment of chilled pork color and its color stability[D].Ph.D. Thesis.Nanjing:Nanjing Agricultural University,2004.(in Chinese)
[20] BERNAD L,CASADO P D,MURILLO N L,et al.Meat quality traits in the greater rhea (
Rhea americana) as influenced by muscle,sex and age[J].Poultry Science,2018,97(5):1579-1587.

[21] ZHAO X,GUO Y M,GUO S S,et al.Effects of
Clostridium butyricum and
Enterococcus faecium on growth performance,lipid metabolism,and cecal microbiota of broiler chickens[J].Applied Microbiology and Biotechnology,2013,97(14):6477-6488.

[22] HUANG T,PENG X Y,GAO B,et al.The effect of
Clostridium butyricum on gut microbiota,immune response and intestinal barrier function during the development of necrotic enteritis in chickens[J].Frontiers in Microbiology,2019,10:2309.
[23] GREINER T,BÄCKHED F.Effects of the gut microbiota on obesity and glucose homeostasis[J].Trends in Endocrinology & Metabolism,2011,22(4):117-123.

[24] SUMAN S P,JOSEPH P.Myoglobin chemistry and meat color[J].Annual Review of Food Science and Technology,2013,4:79-99.
[25] HUGHES J M,CLARKE F M,PURSLOW P P,et al.Meat color is determined not only by chromatic heme pigments but also by the physical structure and achromatic light scattering properties of the muscle[J].Comprehensive Reviews in Food Science and Food Safety,2020,19(1):44-63.

[26] SHAW P,CHATTOPADHYAY A.Nrf2-ARE signaling in cellular protection:mechanism of action and the regulatory mechanisms[J].Journal of Cellular Physiology,2020,235(4):3119-3130.

[27] MA Q.Role of Nrf2 in oxidative stress and toxicity[J].Annual Review of Pharmacology and Toxicology,2013,53:401-426.
[28] ZHU X S,ZHU L,LANG Y P,et al.Oxidative stress and growth inhibition in the freshwater fish
Carassius auratus induced by chronic exposure to sublethal fullerene aggregates[J].Environmental Toxicology and Chemistry,2008,27(9):1979-1985.

[29] VINCENT R R,APPUKUTTAN D,VICTOR D J,et al.Oxidative stress in chronic periodontitis patients with type Ⅱ diabetes mellitus[J].European Journal of Dentistry,2018,12(2):225-231.

[30] OHSAWA I,ISHIKAWA M,TAKAHASHI K,et al.Hydrogen acts as a therapeutic antioxidant by selectively reducing cytotoxic oxygen radicals[J].Nature Medicine,2007,13(6):688-694.

[31] ZHANG W H,GAO F,ZHU Q F,et al.Dietary sodium butyrate alleviates the oxidative stress induced by corticosterone exposure and improves meat quality in broiler chickens[J].Poultry Science,2011,90(11):2592-2599.

[32] HAMER H M,JONKERS D M A E,BAST A,et al.Butyrate modulates oxidative stress in the colonic mucosa of healthy humans[J].Clinical Nutrition,2009,28(1):88-93.