[1] ROLAND D A.Research note:egg shell problems:estimates of incidence and economic impact[J].Poultry Science,1988,67(12):1801-1803.

[2] 宋慧芝,王俊,叶均安.鸡蛋蛋壳受载特性的有限元研究[J].浙江大学学报(农业与生命科学版),2006,32(3):350-354.
[3] SCHEIDELER S E,AL-BATSHAN H.Basics of calcium,phosphorus nutrition in layers studied[J].Feedstuffs (USA),1994,66(14):15-16.
[4] ROLAND D A.Further studies of effects of sodium aluminosilicate on egg shell quality[J].Poultry Science,1988,67(4):577-584.

[5] NYS Y.Recent developments in layer nutrition for optimising shell quality[C]//Proceedings of 13th European Symposium on Poultry Nutrition.Blankenberge,Belgium:[s.n.],2001:42-52.
[6] 王晓阁.枯草芽孢杆菌研究进展与展望[J].中山大学研究生学刊(自然科学与医学版),2012,33(3):14-23.
[7] CENCI G,TROTTA F,CALDINI G.Tolerance to challenges miming gastrointestinal transit by spores and vegetative cells of
Bacillus clausii[J].Journal of Applied Microbiology,2006,101(6):1208-1215.

[8] OH J K,PAJARILLO E A B,CHAE J P,et al.Protective effects of
Bacillus subtilis against Salmonella infection in the microbiome of Hy-Line brown layers[J].Asian-Australasian Journal of Animal Sciences,2017,30(9):1332-1339.

[9] 张爱武,薛军.枯草芽孢杆菌在动物生产中的应用效果[J].中国畜牧兽医,2011,38(4):234-238.
[10] 马春阳,罗正,李鸿博,等.微生态制剂对蛋鸡生长性能和肠道菌群及抗体效价的影响[J].中国畜牧杂志,2015,51(5):60-64.
[11] SANTOSO U,OHTANI S,TANAKA K,et al.Dried
Bacillus subtilis culture reduced ammonia gas release in poultry house[J].Asian-Australasian Journal of Animal Sciences,1999,12(5):806-809.

[12] KIM H J,WOO J S,KWON O S,et al.Effects of
Bacillus subtilis supplementation on egg quality,blood characteristics and fecal NH
3-N in laying hens[J].Korean Journal of Poultry Science,2005,32(1):9-14.
[13] ABDELQADER A,AL-FATAFTAH A R,DAS G.Effects of dietary
Bacillus subtilis and inulin supplementation on performance,eggshell quality,intestinal morphology and microflora composition of laying hens in the late phase of production[J].Animal Feed Science and Technology,2013,179(1/2/3/4):103-111.
[14] GUO J R,DONG X F,LIU S,et al.Effects of long-term
Bacillus subtilis CGMCC 1.921 supplementation on performance,egg quality,and fecal and cecal microbiota of laying hens[J].Poultry Science,2016,96(5):1280-1289.
[15] 王翔宇.枯草芽孢杆菌对蛋鸡生产性能及蛋品质的影响[D].硕士学位论文.长春:吉林大学,2015.
[16] RIBEIRO V,Jr,ALBINO L F T,ROSTAGNO H S,et al.Effects of the dietary supplementation of
Bacillus subtilis,levels on performance,egg quality and excreta moisture of layers[J].Animal Feed Science and Technology,2014,195:142-146.
[17] SOBCZAK A,KOZLOWSKI K.The effect of a probiotic preparation containing
Bacillus subtilis ATCC PTA-6737 on egg production and physiological parameters of laying hens[J].Annals of Animal Science,2015,15(3):711-723.
[18] 丁海.枯草芽孢杆菌对蛋鸡生产性能及盲肠菌群区系影响的研究[D].硕士学位论文.银川:宁夏大学,2013.
[19] XU C L,JI C,MA Q,et al.Effects of a dried
Bacillus subtilis culture on egg quality[J].Poultry Science,2006,85(2):364-368.

[20] 翟茹环.枯草芽孢杆菌G8抗菌物质的理化性质分析及分离纯化[D].硕士学位论文.泰安:山东农业大学,2008.
[21] KNARREBORG A,BROCKMANN E,HØYBYE K,et al.
Bacillus subtilis (DSM17299) modulates the ileal microbial communities and improves growth performance in broilers[J].International Journal of Probiotics & Prebiotics,2008,3(2):83-88.
[22] KNAP I,KEHLET A B,BENNEDSEN M,et al.
Bacillus subtilis (DSM17299) significantly reduces
Salmonella in broilers[J].Poultry Science,2011,90(8):1690-1694.

[23] SAMANYA M,YAMAUCHI K E.Histological alterations of intestinal villi in chickens fed dried
Bacillus subtilis var. natto[J].Comparative Biochemistry and Physiology Part A:Molecular & Integrative Physiology,2002,133(1):95-104.

[24] TEO A Y,TAN H M.Evaluation of the performance and intestinal gut microflora of broilers fed on corn-soy diets supplemented with
Bacillus subtilis PB6(CloSTAT)[J].The Journal of Applied Poultry Research,2007,16(3):296-303.

[25] 江国忠.高产纤维素酶枯草芽孢杆菌的筛选、应用及其产酶条件研究[D].硕士学位论文.南昌:南昌大学,2010.
[26] SCHOLZ-AHRENS K E,ADE P,MARTEN B,et al.Prebiotics,probiotics,and synbiotics affect mineral absorption,bone mineral content,and bone structure[J].The Journal of Nutrition,2007,137(3):838S-846S.
[27] BAIN M M.Recent advances in the assessment of eggshell quality and their future application[J].World,s Poultry Science Journal,2005,61(2):268-277.

[28] AGRONOMIQUE F.Egg formation and chemistry[M]//NYS Y,BAIN M,VAN IMMERSEEL F.Improving the safety and quality of eggs and egg products:egg chemistry,production and consumption.Cambridge:Woodhead Publishing,2011:83.
[29] TSAI W T,YANG J M,LAI C W,et al.Characterization and adsorption properties of eggshells and eggshell membrane[J].Bioresource Technology,2006,97(3):488-493.

[30] MICHAEL B C.Involvement of calcium and phosphorus in bone and shell quality of early maturing commercial layers[J].World Poultry,2001,6:16-19.
[31] ABDELQADER A,IRSHAID R,AL-FATAFTAH A R.Effects of dietary probiotic inclusion on performance,eggshell quality,cecal microflora composition,and tibia traits of laying hens in the late phase of production[J].Tropical animal health and production,2013,45(4):1017-1024.

[32] 裴跃明,邵强,吴桂龙,等.枯草芽孢杆菌制剂对产蛋后期蛋鸡生产性能、蛋品质、免疫及肠道菌群的影响[J].中国畜牧杂志,2016,52(7):61-65,70.
[33] AL-BATSHAN H A,SCHEIDELER S E,BLACK B L,et al.Duodenal calcium uptake,femur ash,and eggshell quality decline with age and increase following molt[J].Poultry Science,1994,73(10):1590-1596.

[34] GROBAS S,MENDEZ J,DE BLAS C,et al.Influence of dietary energy,supplemental fat and linoleic acid concentration on performance of laying hens at two ages[J].British Poultry Science,1999,40(5):681-687.

[35] ASHMEAD H D,GRAFF D J,ASHMEAD H H.Factors affecting mineral absorption from the intestine[M]//CHARLES C.Intestinal absorption of metal ions.Springfield:Thomas Pub.,1985:13-29.
[36] NAHASHON S N,NAKAUE H S,MIROSH L W.Production variables and nutrient retention in single comb white leghorn laying pullets fed diets supplemented with direct-fed microbials[J].Poultry Science,1994,73(11):1699-1711.

[37] ?WIATKIEWICZ S,KORELESKI J,ARCZEWSKA A.Laying performance and eggshell quality in laying hens fed diets supplemented with prebiotics and organic acids[J].Czech Journal of Animal Science,2010,55(7):294-304.