[1] HUNTINGTON G B.Starch utilization by ruminants:from basics to the bunk[J].Journal of Animal Science,1997,75(3):852-67.

[2] DYER J,DALY K,SALMON K S H,et al.Intestinal glucose sensing and regulation of intestinal glucose absorption[J].Biochemical Society Transactions,2007,35(5):1191-1194.

[3] BREER H,EBERLE J,FRICK C,et al.Gastrointestinal chemosensation:chemosensory cells in the alimentary tract[J].Histochemistry and Cell Biology,2012,138(1):13-24.

[4] NELSON G,HOON M A,CHANDRASHEKAR J,et al.Mammalian sweet taste receptors[J].Cell,2001,106(3):381-390.

[5] LI X D,STASZEWSKI L,XU H,et al.Human receptors for sweet and umami taste[J].Proceedings of the National Academy of Sciences of the United States of America,2002,99(7):4692-4696.

[6] LEE A A,OWYANG C.Sugars,sweet taste receptors,and brain responses[J].Nutrients,2017,9(7):653.
[7] MORAN A W,AL-RAMMAHI M,ZHANG C,et al.Sweet taste receptor expression in ruminant intestine and its activation by artificial sweeteners to regulate glucose absorption[J].Journal of Dairy Science,2014,97(8):4955-4972.

[8] SANDHU H,WIESENTHAL S R,MACDONALD P E,et al.Glucagon-like peptide 1 increases insulin sensitivity in depancreatized dogs[J].Diabetes,1999,48(5):1045-1053.

[9] GERSPACH A C,STEINERT R E,SCHÖNENBERGER L,et al.The role of the gut sweet taste receptor in regulating GLP-1,PYY,and CCK release in humans[J].American Journal of Physiology-Endocrinology and Metabolism,2011,301(2):E317-E325.
[10] MAILLET E L.Modulation of T1R chemosensory receptors for sweet nutrients:new paradigms in metabolic regulation[J].Medecine Sciences,2011,27(2):177-182.

[11] REIMANN F,HABIB A M,TOLHURST G,et al.Glucose sensing in L cells:a primary cell study[J].Cell Metabolism,2008,8(6):532-539.

[12] REIMANN F,TOLHURST G,GRIBBLE F M.G-protein-coupled receptors in intestinal chemosensation[J].Cell Metabolism,2012,15(4):421-431.

[13] VILARDAGA J P,AGNATI L F,FUXE K,et al.G-protein-coupled receptor heteromer dynamics[J].Journal of Cell Science,2010,123(24):4215-4220.

[14] MARGOLSKEE R F,DYER J,KOKRASHVILI Z,et al.T1R3 and gustducin in gut sense sugars to regulate expression of Na
+-glucose cotransporter 1[J].Proceedings of the National Academy of Sciences of the United States of America,2007,104(38):15075-15080.

[15] STEARNS A T,BALAKRISHNAN A,RHOADS D B,et al.Rapid upregulation of sodium-glucose transporter SGLT1 in response to intestinal sweet taste stimulation[J].Annals of Surgery,2010,251(5):865-871.

[16] RAN T,LI H Z,LIU Y,et al.Expression of genes related to sweet taste receptors and monosaccharides transporters along the gastrointestinal tracts at different development stages in goats[J].Livestock Science,2016,188:111-119.
[17] AOAC.Official methods of analysis[M].15th ed.Arlington,VA,USA:Association of Official Analytical Chemists,1990.
[18] 李华,孔新刚,王俊.秸秆饲料中纤维素、半纤维素和木质素的定量分析研究[J].新疆农业大学学报,2007,30(3):65-68. LI H,KONG X G,WANG J.Study on quantitative analysis of hemicellulose and cellulose and lignin in roughage of cereal straw[J].Journal of Xinjiang Agricultural University,2007,30(3):65-68.(in Chinese)
[19] LESMEISTER K E,TOZER P R,HEINRICHS A J.Development and analysis of a rumen tissue sampling procedure[J].Journal of Dairy Science,2004,87(5):1336-1344.

[20] RAN T,LI H Z,LIU Y,et al.Cloning,phylogenetic analysis,and distribution of free fatty acid receptor
GPR120 expression along the gastrointestinal tract of housing versus grazing kid goats[J].Journal of Agricultural and Food Chemistry,2016,64(11):2333-2341.

[21] BEUMER J,ARTEGIANI B,POST Y,et al.Enteroendocrine cells switch hormone expression along the crypt-to-villus BMP signalling gradient[J].Nature Cell Biology,2018,20(8):909-916.

[22] 刘洁,刁其玉,赵一广,等.肉用绵羊饲料养分消化率和有效能预测模型的研究[J].畜牧兽医学报,2012,43(8):1230-1238. LIU J,DIAO Q Y,ZHAO Y G,et al.Prediction of nutrient digestibility and energy concentrations using chemical compositions in meat sheep feeds[J].Acta Veterinaria et Zootechnica Sinica,2012,43(8):1230-1238.(in Chinese)
[23] SCHÖNHUSEN U,FLÖTER A,JUNGHANS P,et al.Morphology,proliferation,and ribonucleic acid and fractional protein syntheses in the small intestinal mucosa of young goats fed soy protein-based diets with or without amino acid supplementation[J].Journal of Dairy Science,2010,93(9):4165-4179.

[24] KELLY D,COUTTS A G P.Development of digestive and immunological function in neonates:role of early nutrition[J].Livestock Production Science,2000,66(2):161-167.

[25] ŽITÑAN R,KUHLA S,NÜRNBERG K,et al.Influence of the diet on the morphology of ruminal and intestinal mucosa and on intestinal carbohydrate levels in cattle[J].Veterinarni Medicina,2003,48(7):175-180.
[26] 王艳红.日粮淀粉水平对山羊α-淀粉酶活性及消化道形态的影响[D].硕士学位论文.杨凌:西北农林科技大学,2007. WANG Y H.Effect of dietary starch level on activity of amylase and gastroenteric morphology in goat[D].Master's Thesis.Yangling:Northwest A&F University,2007.(in Chinese)
[27] MA X,FAN P X,LI L S,et al.Butyrate promotes the recovering of intestinal wound healing through its positive effect on the tight junctions[J].Journal of Animal Science,2012,90(Suppl.4):266-268.
[28] KELLY C J,ZHENG L,CAMPBELL E L,et al.Crosstalk between microbiota-derived short-chain fatty acids and intestinal epithelial HIF augments tissue barrier function[J].Cell Host & Microbe,2015,17(5):662-671.

[29] LI X,BACHMANOV A A,MAEHASHI K,et al.Sweet taste receptor gene variation and aspartame taste in primates and other species[J].Chemical Senses,2011,36(5):453-475.

[30] 陈思羽,袁前发,王颖,等.黄芪多糖对高脂血症大鼠糖脂代谢及胰腺组织病理改变的影响[J].广东药学院学报,2018,34(4):457-461. CHEN S Y,YUAN Q F,WANG,Y et al.Effect of astragalus polysaccharide on sweet taste receptor pathway in intestine of rat model induced by high-sugar and high-fat diet[J].Chinese Journal of Experimental Traditional Medical Formulae,2018,34(4):457-461.(in Chinese)
[31] HASS N,SCHWARZENBACHER K,BREER H.T1R3 is expressed in brush cells and ghrelin-producing cells of murine stomach[J].Cell and Tissue Research,2010,339(3):493-504.

[32] 任文.不同直/支链淀粉比对肥羔胃肠道发育及其相关基因mRNA表达量的影响[D].硕士学位论文.大庆:黑龙江八一农垦大学,2014. REN W.Effects of different amylose/amylopectin ratio on the development of gastrointestinal tract and mRNA expression of related genes in fattening lamb[D].Master's Thesis.Daqing:Heilongjiang Bayi Agricultural University,2014.(in Chinese)
[33] SHIRAZI-BEECHEY S P,HIRAYAMA B A,WANG Y,et al.Ontogenic development of lamb intestinal sodium-glucose co-transporter is regulated by diet[J].Journal of Physiology,1991,437(1):699-708.