[1] ROTRUCK J T,POPE A L,GANTHER H E,et al.Selenium:biochemical role as a component of glutathione peroxidase[J].Science,1973,179(4073):588-590.

[2] CAI S J,WU C X,GONG L M,et al.Effects of nano-selenium on performance,meat quality,immune function,oxidation resistance,and tissue selenium content in broilers[J].Poultry Science,2012,91(10):2532-2539.

[3] ZARCZYNSKA K,SOBIECH P,RADWINSKA J,et al.Effects of selenium on animal health[J].Journal of Elementology,2013,18(2):329-340.
[4] SALONEN J,ALFTHAN G,HUTTUNEN J,et al.Association between cardiovascular death and myocardial infarction and serum selenium in a matched-pair longitudinal study[J].The Lancet,1982,320(8291):175-179.

[5] SALONEN J T,ALFTHAN G,HUTTUNEN J K,et al.Association between serum selenium and the risk of cancer[J].American Journal of Epidemiology,1984,120(3):342-349.

[6] WILLETT W C,MORRIS J S,PRESSEL S,et al.Prediagnostic serum selenium and risk of cancer[J].The Lancet,1983,322(8342):130-134.

[7] VOGT T M,ZIEGLER R G,GRAUBARD B I,et al.Serum selenium and risk of prostate cancer in U.S. blacks and whites[J].International Journal of Cancer,2003,103(5):664-670.

[8] 崔国强.富硒饲料对种鸡繁殖性能及鸡蛋品质的影响[D].硕士学位论文.邯郸:河北工程大学,2012.
[9] JING C L,DONG X F,WANG Z M,et al.Comparative study of
DL-selenomethionine vs sodium selenite and seleno-yeast on antioxidant activity and selenium status in laying hens[J].Poultry Science,2015,94(5):965-975.

[10] 胡华锋,黄炎坤,介晓磊,等.3种硒源对蛋鸡生产性能、蛋硒含量及转化率的影响[J].动物营养学报,2013,25(7):1603-1609.
[11] DELEZIE E,ROVERS M,VAN DER A A,et al.Comparing responses to different selenium sources and dosages in laying hens[J].Poultry Science,2014,93(12):3083-3090.

[12] PAYNE R L,LAVERGNE T K,SOUTHERN L L.Effect of inorganic versus organic selenium on hen production and egg selenium concentration[J].Poultry Science,2005,84(2):232-237.

[13] SLUPCZYNSKA M,JAMROZ D,ORDA J,et al.Long-term supplementation of laying hen diets with various selenium sources as a method for the fortification of eggs with selenium[J].Journal of Chemistry,2018,2018:7986591.
[14] SKRIVAN M,ŠIMÁNě J,DLOUHÁ G,et al.Effect of dietary sodium selenite,Se-enriched yeast and Se-enriched Chlorella on egg Se concentration,physical parameters of eggs and laying hen production[J].Czech Journal of Animal Science,2011,51(4):163-167.

[15] 杨玉,孙煜,孙宝盛,等.酵母硒对产蛋后期蛋鸡生产性能、蛋品质、抗氧化与脂代谢及其相关基因表达的影响[J].动物营养学报,2018,30(11):4397-4407.
[16] PAN C L,ZHAO Y X,LIAO S F,et al.Effect of selenium-enriched probiotics on laying performance,egg quality,egg selenium content,and egg glutathione peroxidase activity[J].Journal of Agricultural and Food Chemistry,2011,59(21):11424-11431.

[17] UTTERBACK P L,PARSONS C M,YOON I,et al.Effect of supplementing selenium yeast in diets of laying hens on egg selenium content[J].Poultry Science,2005,84(12):1900-1901.

[18] STIBILJ V,VADNJAL R,KOVAC M,et al.The effect of dietary arsenic additions on the distribution of selenium and iodine in eggs and tissues of laying hens[J].Archives of Environmental Contamination and Toxicology,2004,46(2):275-280.
[19] HAN X J,QIN P,LI W X,et al.Effect of sodium selenite and selenium yeast on performance,egg quality,antioxidant capacity,and selenium deposition of laying hens[J].Poultry Science,2017,96(11):3973-3980.

[20] SCHRAUZER G N.Selenomethionine:a review of its nutritional significance,metabolism and toxicity[J].The Journal of Nutrition,2000,130(7):1653-1656.

[21] AHMAD H,TIAN J K,WANG J J,et al.Effects of dietary sodium selenite and selenium yeast on antioxidant enzyme activities and oxidative stability of chicken breast meat[J].Journal of Agricultural and Food Chemistry,2012,60(29):7111-7120.