[1] LIANG C N, WANG L Z, WU X Y, et al.Genome-wide association study identifies loci for the polled phenotype in yak[J].PLoS One, 2016, 11(7):e0158642.
[2] MIAO F H, GUO Z G, XUE R, et al.Effects of grazing and precipitation on herbage biomass, herbage nutritive value, and yak performance in an alpine meadow on the
Qinghai-Tibetan Plateau[J].PLoS One, 2015, 10(6):e0127275.
[3] JAMI E, WHITE B A, MIZRAHI I.Potential role of the bovine rumen microbiome in modulating milk composition and feed efficiency[J].PLoS One, 2014, 9(1):e85423.
[4] FLINT H J, BAYER E A, RINCON M T, et al.Polysaccharide utilization by gut bacteria:potential for new insights from genomic analysis[J].Nature Reviews Microbiology, 2008, 6(2):121-131.

[5] BRULC J M, ANTONOPOULOS D A, MILLER M E B, et al.Gene-centric metagenomics of the fiber-adherent bovine rumen microbiome reveals forage specific glycoside hydrolases[J].Proceedings of the National Academy of Sciences of the United States of America, 2009, 106(6):1948-1953.

[6] DEUSCH S, CAMARINHA-SILVA A, CONRAD J, et al.A structural and functional elucidation of the rumen microbiome influenced by various diets and microenvironments[J].Frontiers in Microbiology, 2017, 8:1605.
[7] ZHANG J, SHI H T, WANG Y J, et al.Effect of dietary forage to concentrate ratios on dynamic profile changes and interactions of ruminal microbiota and metabolites in Holstein heifers[J].Frontiers in Microbiology, 2017, 8:2206.
[8] 王书祥, 戴东文, 杨英魁, 等.补饲精料对冷季放牧牦牛生长性能、瘤胃发酵及菌群结构的影响[J].动物营养学报, 2021, 33(11):6266-6276. WANG S X, DAI D W, YANG Y K, et al.Effects of concentrate supplementation on growth performance, rumen fermentation and microbial community structure of grazing yaks in cold season[J].Chinese Journal of Animal Nutrition, 2021, 33(11):6266-6276.(in Chinese)
[9] 谢建林, 张巧娥, 张转弟, 等.复合菌发酵稻草对安格斯牛生长性能、瘤胃发酵参数及菌群结构的影响[J].动物营养学报, 2021, 33(5):2738-2751. XIE J L, ZHANG Q E, ZHANG Z D, et al.Effects of compound bacteria fermented rice straw on growth performance, rumen fermentation parameters and microbial structure of Angus cattle[J].Chinese Journal of Animal Nutrition, 2021, 33(5):2738-2751.(in Chinese)
[10] CONNOR E E, BALDWIN R L 6TH, WALKER M P, et al.Transcriptional regulators transforming growth factor-β1 and estrogen-related receptor-α identified as putative mediators of calf rumen epithelial tissue development and function during weaning[J].Journal of Dairy Science, 2014, 97(7):4193-4207.

[11] BANNINK A, VAN LINGEN H J, ELLIS J L, et al.The contribution of mathematical modeling to understanding dynamic aspects of rumen metabolism[J].Frontiers in Microbiology, 2016, 7:1820.
[12] LIN B, HENDERSON G, ZOU C X, et al.Characterization of the rumen microbial community composition of buffalo breeds consuming diets typical of dairy production systems in Southern China[J].Animal Feed Science and Technology, 2015, 207:75-84.
[13] MCGOVERN E, WATERS S M, BLACKSHIELDS G, et al.Evaluating established methods for rumen 16S rRNA amplicon sequencing with mock microbial populations[J].Frontiers in Microbiology, 2018, 9:1365.
[14] 韩旭峰.日龄、日粮精粗比对陕北白绒山羊瘤胃微生物区系影响的研究[D].博士学位论文.杨凌:西北农林科技大学, 2015. HAN X F.Effects of age and dietary forage-to-concentrate ratios on rumen microbial flora of the
Shaanbei white-cashmere goat[D].Ph.D.Thesis.Yangling:Northwest A & F University, 2015.(in Chinese)
[15] 姚喜喜, 王伟, 徐成体, 等.放牧与舍饲对大通牦牛生长性能、瘤胃发酵参数、屠宰性能及肉品质的影响[J/OL].动物营养学报:1-9.[2022-04-14].http://kns.cnki.net/kcms/detail/11.5461.S.20220223.1103.022.html. YAO X X, WANG W, XU C T, et al.Effects of natural grazing and barn fattening on growth performance, rumen fermentation parameters, slaughter performance and meat quality of
Datong yaks (
Bos grunniens)[J/OL].Chinese Journal of Animal Nutrition, 2022:1-9.[2022-04-14].http://kns.cnki.net/kcms/detail/11.5461.S.20220223.1103.022.html.(in Chinese)
[16] MALMUTHUGE N, LIANG G X, GUAN L L.Regulation of rumen development in neonatal ruminants through microbial metagenomes and host transcriptomes[J].Genome Biology, 2019, 20(1):172.
[17] WANG Q, GARRITY G M, TIEDJE J M, et al.Naive Bayesian classifier for rapid assignment of rRNA sequences into the new bacterial taxonomy[J].Applied and Environmental Microbiology, 2007, 73(16):5261-5267.

[18] CHEN S F, ZHOU Y Q, CHEN Y R, et al.Fastp:an ultra-fast all-in-one FASTQ preprocessor[J].Bioinformatics, 2018, 34(17):i884-i890.
[19] MAGOČ T, SALZBERG S L.FLASH:fast length adjustment of short reads to improve genome assemblies[J].Bioinformatics, 2011, 27(21):2957-2963.

[20] EDGAR R C.UPARSE:highly accurate OTU sequences from microbial amplicon reads[J].Nature Methods, 2013, 10(10):996-998.

[21] STACKEBRANDT E, GOEBEL B M.Taxonomic note:a place for DNA-DNA reassociation and 16S rRNA sequence analysis in the present species definition in bacteriology[J].International Journal of Systematic and Evolutionary Microbiology, 1994, 44(4):846-849.

[22] SOSIN-BZDUCHA E, STRZETELSKI J, BOROWIEC F, et al.Effect of feeding ensiled maize grain on rumen development and calf rearing performance[J].Journal of Animal & Feed Sciences, 2010, 19(2):195-210.

[23] MILLER W F, TITGEMEYER E C, NAGARAJA T G, et al.Influence of cane molasses inclusion to dairy cow diets during the transition period on rumen epithelial development[J].Animals, 2021, 11(5):1230.
[24] MERCHEN N R, BERGER L L.Effect of salinomycin level on nutrient digestibility and ruminal characteristics of sheep and feedlot performance of cattle[J].Journal of Animal Science, 1985, 60(5):1338-1346.

[25] PENNER G B, TANIGUCHI M, GUAN L L, et al.Effect of dietary forage to concentrate ratio on volatile fatty acid absorption and the expression of genes related to volatile fatty acid absorption and metabolism in ruminal tissue[J].Journal of Dairy Science, 2009, 92(6):2767-2781.

[26] 张振宇, 梁春年, 姚喜喜, 等.饲养方式和饲粮能量水平对牦牛生长性能、瘤胃发酵参数和瘤胃菌群的影响[J].动物营养学报, 2021, 33(6):3343-3355. ZHANG Z Y, LIANG C N, YAO X X, et al.Effects of feeding model and dietary energy level on growth performance, rumen fermentation parameters and rumen bacterial community of yaks[J].Chinese Journal of Animal Nutrition, 2021, 33(6):3343-3355.(in Chinese)
[27] LIU C, WU H, LIU S J, et al.Dynamic alterations in yak rumen bacteria community and metabolome characteristics in response to feed type[J].Frontiers in Microbiology, 2019, 10:1116.
[28] ZHOU Z M, FANG L, MENG Q X, et al.Assessment of ruminal bacterial and archaeal community structure in yak (
Bos grunniens)[J].Frontiers in Microbiology, 2017, 8:179.
[29] FANG L, ZHOU Z M, REN L P, et al.Ruminal bacterial diversity of yaks (
Bos grunniens) fed by grazing or indoor regime on the Tibetan Plateau by analysis of 165 rRNA gene libraries[J].Italian Journal of Animal Science, 2015, 14(4):3970.
[30] 李宏, 宋淑珍, 高良霜, 等.饲养水平对阿勒泰羊胃肠道发育、瘤胃发酵参数及瘤胃微生物区系的影响[J].草业学报, 2021, 30(4):180-190. LI H, SONG S Z, GAO L S, et al.Effects of feeding level on the gastrointestinal development, rumen fermentation and rumen microbiota in Altay sheep[J].Acta Prataculturae Sinica, 2021, 30(4):180-190.(in Chinese)
[31] BONDER M J, TIGCHELAAR E F, CAI X H, et al.The influence of a short-term gluten-free diet on the human gut microbiome[J].Genome Medicine, 2016, 8(1):45.
[32] KNISKERN M A, JOHNSTON C S.Protein dietary reference intakes may be inadequate for vegetarians if low amounts of animal protein are consumed[J].Nutrition, 2011, 27(6):727-730.

[33] NATHANI N M, KOTHARI R K, PATEL A K, et al.Functional characterization reveals novel putative coding sequences in
Prevotella ruminicola genome extracted from rumen metagenomic studies[J].Journal of Molecular Microbiology and Biotechnology, 2015, 25(4):292-299.

[34] XU H, COLLINS J F, BAI L, et al.Epidermal growth factor regulation of rat
NHE2 gene expression[J].American Journal of Physiology.Cell Physiology, 2001, 281(2):C504-C513.
[35] JIANG X, LIU X, LIU S, et al.Growth, rumen fermentation and plasma metabolites of Holstein male calves fed fermented corn gluten meal during the postweaning stage[J].Animal Feed Science and Technology, 2019, 249:1-9.
[36] ZHAO X H, CHEN Z D, ZHOU S, et al.Effects of daidzein on performance, serum metabolites, nutrient digestibility, and fecal bacterial community in bull calves[J].Animal Feed Science and Technology, 2017, 225:87-96.
[37] WARZECHA C M, COVERDALE J A, JANECKA J E, et al.Influence of short-term dietary starch inclusion on the equine cecal microbiome[J].Journal of Animal Science, 2017, 95(11):5077-5090.