[1] KOHN R A,DINNEEN M M,RUSSEK-COHEN E.Using blood urea nitrogen to predict nitrogen excretion and efficiency of nitrogen utilization in cattle,sheep,goats,horses,pigs,and rats[J].Journal of Animal Science,2005,83(4):879-889.
[2] HARRISON R M,HESTER R E.Environmental impacts of modern agriculture[M].Cambridge:The Royal Society of Chemistry,2012.
[3] CALSAMIGLIA S,FERRET A,REYNOLDS C K,et al.Strategies for optimizing nitrogen use by ruminants[J].Animal,2010,4(7):1184-1196.
[4] STONE J B,TRIMBERGER G W,HENDERSON C E,et al.Forage intake and efficiency of feed utilization in dairy cattle[J].Journal of Dairy Science,1960,43(9):1275-1281.
[5] HUHTANEN P,HRISTOV A N.A meta-analysis of the effects of dietary protein concentration and degradability on milk protein yield and milk N efficiency in dairy cows[J].Journal of Dairy Science,2009,92(7):3222-3232.
[6] WANG L Z,ZHOU M L,WANG J W,et al.The effect of dietary replacement of ordinary rice with red yeast rice on nutrient utilization,enteric methane emission and rumen archaeal diversity in goats[J].PLoS One,2016,11(7):e0160198.
[7] NIU Q,LI P H,HAO S S,et al.Dynamic distribution of the gut microbiota and the relationship with apparent crude fiber digestibility and growth stages in pigs[J].Scientific Reports,2015,5:9938.
[8] RAMOS M H,KERLEY M S.Mitochondrial complex Ⅰ protein differs among residual feed intake phenotype in beef cattle[J].Journal of Animal Science,2013,91(7):3299-3304.
[9] 张丽英.饲料分析及饲料质量检测技术[M].3版.北京:中国农业大学出版社,2003:48-150.
[10] 屯妮萨·麦提赛伊迪,阿里娅古丽·依布热依木,阿依沙依拉,等.碱性次氯酸钠-苯酚分光光度法测定甲醇处理的瘤胃液中氨态氮浓度[J].新疆农业科学,2012,49(3):565-570.
[11] 张翔飞.活性干酵母对肉牛瘤胃发酵、纤维降解及微生物菌群的影响[D].硕士学位论文.成都:四川农业大学,2014.
[12] 曹庆云,周武艺,朱贵钊,等.气相色谱测定羊瘤胃液中挥发性脂肪酸方法研究[J].中国饲料,2006(24):26-28.
[13] MEALE S J,LI S C,AZEVEDO P,et al.Weaning age influences the severity of gastrointestinal microbiome shifts in dairy calves[J].Scientific Reports,2017,7:179.
[14] EDGAR R C.Search and clustering orders of magnitude faster than BLAST[J].Bioinformatics,2010,26(19):2460-2461.
[15] 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.
[16] QUAST C,PRUESSE E,YILMAZ P,et al.The SILVA ribosomal RNA gene database project:improved data processing and web-based tools[J].Nucleic Acids Research,2013,41(Database issue):D590-D596.
[17] STUBNER S.Enumeration of 16S rDNA of
Desulfotomaculum lineage 1 in rice field soil by real-time PCR with SybrGreen
TM detection[J].Journal of Microbiological Methods,2002,50(2):155-164.
[18] 李旦,王加启,卜登攀,等.运用Real-time PCR方法研究日粮添加豆油与胡麻油对肉牛瘤胃纤维分解菌数量的影响[J].动物营养学报,2008,20(3):256-260.
[19] WANG Y Y,CAO P H,WANG L,et al.Bacterial community diversity associated with different levels of dietary nutrition in the rumen of sheep[J].Applied Microbiology and Biotechnology,2017,101(9):3717-3728.
[20] LI F,YANG X J,CAO Y C,et al.Effects of dietary effective fiber to rumen degradable starch ratios on the risk of sub-acute ruminal acidosis and rumen content fatty acids composition in dairy goat[J].Animal Feed Science and Technology,2014,189:54-62.
[21] 赖松家,马恒东,夏佑全,等.瘤胃内环境控制对饲料消化率影响的研究[J].四川畜牧兽医,2000,27(S1):26-27.
[22] 樊艳华,孙海洲,桑丹,等.不同日粮氮水平对山羊氮代谢和微生物蛋白质合成的影响[J].中国畜牧杂志,2015,51(1):28-32.
[23] HESTER R E,HARRISON R M.Environmental Impacts of Modern Agriculture[M].Cambridge:Royal Society of Chemistry,2012.
[24] CALSAMIGLIA S,FERRET A,REYNOLDS C K,et al.Strategies for optimizing nitrogen use by ruminants[J].Animal,2010,4(7):1184-1196.
[25] LIU K Z,XU Q,WANG L Z,et al.The impact of diet on the composition and relative abundance of rumen microbes in goat[J].Asian-Australasian Journal of Animal Sciences,2017,30(4):531-537.
[26] JIN D X,KANG K,WANG H Z,et al.Effects of dietary supplementation of active dried yeast on fecal methanogenic archaea diversity in dairy cows[J].Anaerobe,2017,44:78-86.
[27] MCDONALD I W.The extent of conversion of food protein to microbial protein in the rumen of the sheep[J].Biochemical Journal,1954,56(1):120-125.
[28] LENG R A,NOLAN J V.Nitrogen metabolism in the rumen[J].Journal of Dairy Science,1984,67(5):1072-1089.
[29] BEKELE A Z,KOIKE S,KOBAYASHI Y.Genetic diversity and diet specificity of ruminal
Prevotella revealed by 16S rRNA gene-based analysis[J].FEMS Microbiology Letters,2010,305(1):49-57.
[30] MOHAMMADZADEH H,YÁÑEZ-RUIZ D R,MARTÍNEZ-FERNANDEZ G,et al.Molecular comparative assessment of the microbial ecosystem in rumen and faeces of goats fed alfalfa hay alone or combined with oats[J].Anaerobe,2014,29:52-58.
[31] KOIKE S,YOSHITANI S,KOBAYASHI Y,et al.Phylogenetic analysis of fiber-associated rumen bacterial community and PCR detection of uncultured bacteria[J].FEMS Microbiology Letters,2003,229(1):23-30.
[32] AVGUŠTIN G,WALLACE R J,FLINT H J.Phenotypic diversity among ruminal isolates of
Prevotella ruminicola:proposal of
Prevotella brevis sp.nov.,
Prevotella bryantii sp.nov.,and
Prevotella albensis sp.nov.and redefinition of
Prevotella ruminicola[J].International Journal of Systematic and Evolutionary Microbiology,1997,47(2):284-288.
[33] PURUSHE J,FOUTS D E,MORRISON M,et al.Comparative genome analysis of
Prevotella ruminicola and
Prevotella bryantii:insights into their environmental niche[J].Microbial Ecology,2010,60(4):721-729.
[34] DE SMET A M,DE BOEVER J L,DE BRABANDER D L,et al.Investigation of dry matter degradation and acidotic effect of some feedstuffs by means of in sacco and in vitro incubations[J].Animal Feed Science and Technology,1995,51(3/4):297-315.
[35] KANG J H,ZENG B,TANG S X,et al.Effects of
Momordica charantia polysaccharide on
in vitro ruminal fermentation and cellulolytic bacteria[J].Italian Journal of Animal Science,2017,16(2):226-233.
[36] 张雪娇,王立志.饲粮中性洗涤纤维水平对山羊瘤胃细菌结构及组成的影响[J].动物营养学报,2018,30(4):1377-1386.
[37] ROSENBERG E.The family Prevotellaceae[M]//ROSENBERG E,DELONG E F,LORY S,et al.The prokaryotes.Berlin:Springer,2014:825-827.
