[1] SOMMER F, BÄCKHED F.The gut microbiota-masters of host development and physiology[J].Nature Reviews Microbiology, 2013, 11(4):227-238.
[2] 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.
[3] CANTALAPIEDRA-HIJAR G, LEMOSQUET S, RODRIGUEZ-LOPEZ J M, et al.Diets rich in starch increase the posthepatic availability of amino acids in dairy cows fed diets at low and normal protein levels[J].Journal of Dairy Science, 2014, 97(8):5151-5166.
[4] CRAIG A, GORDON A W, STEWART S, et al.Supplementation strategies for lactating dairy cows offered very high quality grass silages:starch-based or fibre-based concentrates offered with or without straw[J].Livestock Science, 2020, 234:103973.
[5] CANTALAPIEDRA-HIJAR G, ORTIGUES-MARTY I, LEMOSQUET S.Diets rich in starch improve the efficiency of amino acids use by the mammary gland in lactating Jersey cows[J].Journal of Dairy Science, 2015, 98(10):6939-6953.
[6] CAO Y C, WANG D D, WANG L M, et al.Physically effective neutral detergent fiber improves chewing activity, rumen fermentation, plasma metabolites, and milk production in lactating dairy cows fed a high-concentrate diet[J].Journal of Dairy Science, 2021, 104(5):5631-5642.
[7] NOCEK J E, RUSSELL J B.Protein and energy as an integrated system. relationship of ruminal protein and carbohydrate availability to microbial synthesis and milk production[J].Journal of Dairy Science, 1988, 71(8):2070-2107.
[8] OBERSON J L, PROBST S, SCHLEGEL P.Magnesium absorption as influenced by the rumen passage kinetics in lactating dairy cows fed modified levels of fibre and protein[J].Animal, 2019, 13(7):1412-1420.
[9] DONG L F, JIA P, LI B C, et al.Quantification and prediction of enteric methane emissions from Chinese lactating Holstein dairy cows fed diets with different dietary neutral detergent fiber/non-fibrous carbohydrate (NDF/NFC) ratios[J].Journal of Integrative Agriculture, 2022, 21(3):797-811.
[10] MALEKKHAHI M, TAHMASBI A M, NASERIAN A A, et al.Effects of supplementation of active dried yeast and malate during sub-acute ruminal acidosis on rumen fermentation, microbial population, selected blood metabolites, and milk production in dairy cows[J].Animal Feed Science and Technology, 2016, 213:29-43.
[11] THEODOROU M K, WILLIAMS B A, DHANOA M S, et al.A simple gas production method using a pressure transducer to determine the fermentation kinetics of ruminant feeds[J].Animal Feed Science and Technology, 1994, 48(3/4):185-197.
[12] MAURICIO R M, MOULD F L, DHANOA M S, et al.A semi-automated
in vitro gas production technique for ruminant feedstuff evaluation[J].Animal Feed Science and Technology, 1999, 79(4):321-330.
[13] 秦为琳.应用气相色谱测定瘤胃挥发性脂肪酸方法的研究改进[J].南京农业大学学报, 1982(4):110-116. QIN W L.Determ naton of rumen volatile fatty acids by means of gas chromatography[J].Journal of Nanjing Agricultural University, 1982(4):110-116.(in Chinese)
[14] SEARLE P L.The berthelot or indophenol reaction and its use in the analytical chemistry of nitrogen.A review[J].Analyst, 1984, 109(5):549-568.
[15] MAKKAR H P, SHARMA O P, DAWRA R K, et al.Simple determination of microbial protein in rumen liquor[J].Journal of Dairy Science, 1982, 65(11):2170-2173.
[16] KLINDWORTH A, PRUESSE E, SCHWEER T, et al.Evaluation of general 16S ribosomal RNA gene PCR primers for classical and next-generation sequencing-based diversity studies[J].Nucleic Acids Research, 2013, 41(1):e1.
[17] KANG S, WANAPAT M.Using plant source as a buffering agent to manipulating rumen fermentation in an
in vitro gas production system[J].Asian-Australasian Journal of Animal Sciences, 2013, 26(10):1424-1436.
[18] RODRIGUEZ M P, MARIEZCURRENA M D, MARIEZCURRENA M A, et al.Influence of live cells or cells extract of
Saccharomyces cerevisiae on
in vitro gas production of a total mixed ration[J].Italian Journal of Animal Science, 2015, 14(4):3713.
[19] JOUANY J P.Optimizing rumen functions in the close-up transition period and early lactation to drive dry matter intake and energy balance in cows[J].Animal Reproduction Science, 2006, 96(3/4):250-264.
[20] NOCEK J E, ALLMAN J G, KAUTZ W P.Evaluation of an indwelling ruminal probe methodology and effect of grain level on diurnal pH variation in dairy cattle[J].Journal of Dairy Science, 2002, 85(2):422-428.
[21] KENNELLY J J, ROBINSON B, KHORASANI G R.Influence of carbohydrate source and buffer on rumen fermentation characteristics, milk yield, and milk composition in early-lactation Holstein cows[J].Journal of Dairy Science, 1999, 82(11):2486-2496.
[22] 栗明月.竹叶提取物对奶牛瘤胃发酵、血液中抗氧化酶、免疫球蛋白及炎性因子的影响[D].硕士学位论文.北京:北京农学院, 2019. LI M Y.Effects of bamboo leaf extract on rumen fermentation, antioxidant enzymes, immunoglobulins and inflammatory factors in the blood of dairy cows[D].Master's Thesis.Beijing:Beijing University of Agriculture, 2019.(in Chinese)
[23] GRUMMER R R, CLARK J H, DAVIS C L, et al.Effect of ruminal ammonia-nitrogen concentration on protein degradation
in situ[J].Journal of Dairy Science, 1984, 67(10):2294-2301.
[24] 汪水平, 王文娟, 王加启, 等.日粮精粗比对奶牛瘤胃发酵及泌乳性能的影响[J].西北农林科技大学学报(自然科学版), 2007, 35(6):44-50. WANG S P, WANG W J, WANG J Q, et al.Effects of dietary concentrate-to-forage ratio on rumen fermentation and performance of dairy cows[J].Journal of Northwest A&F University(Natural Science Edition), 2007, 35(6):44-50.(in Chinese)
[25] 李旺.瘤胃挥发性脂肪酸的作用及影响因素[J].中国畜牧杂志, 2012, 48(7):63-66. LI W.The effect and influence factors of rumen volatile fatty acid[J].Chinese Journal of Animal Science, 2012, 48(7):63-66.(in Chinese)
[26] AGUERRE M J, WATTIAUX M A, POWELL J M, et al.Effect of forage-to-concentrate ratio in dairy cow diets on emission of methane, carbon dioxide, and ammonia, lactation performance, and manure excretion[J].Journal of Dairy Science, 2011, 94(6):3081-3093.
[27] CHEN G J, SONG S D, WANG B X, et al.Effects of forage:concentrate ratio on growth performance, ruminal fermentation and blood metabolites in housing-feeding yaks[J].Asian-Australasian Journal of Animal Sciences, 2015, 28(12):1736-1741.
[28] KHAFIPOUR E, LI S C, PLAIZIER J C, et al.Rumen microbiome composition determined using two nutritional models of subacute ruminal acidosis[J].Applied and Environmental Microbiology, 2009, 75(22):7115-7124.
[29] MAO S Y, ZHANG R Y, WANG D S, et al.Impact of subacute ruminal acidosis (SARA) adaptation on rumen microbiota in dairy cattle using pyrosequencing[J].Anaerobe, 2013, 24:12-19.
[30] HOOK S E, STEELE M A, NORTHWOOD K S, et al.Impact of subacute ruminal acidosis (SARA) adaptation and recovery on the density and diversity of bacteria in the rumen of dairy cows[J].FEMS Microbiology Ecology, 2011, 78(2):275-284.
[31] JAMI E, MIZRAHI I.Composition and similarity of bovine rumen microbiota across individual animals[J].PLoS One, 2012, 7(3):e33306.
[32] 李蒋伟, 周力, 马博研, 等.饲粮非纤维性碳水化合物/中性洗涤纤维对藏羊瘤胃发酵参数及菌群结构的影响[J].四川农业大学学报, 2022, 40(2):253-259, 275. LI J W, ZHOU L, MA B Y, et al.Effects of dietary non fibrous carbohydrate/neutral detergent fiber on rumen fermentation parameters and flora structure of Tibetan sheep[J].Journal of Sichuan Agricultural University, 2022, 40(2):253-259, 275.(in Chinese)
[33] BOWEN J M, MCCABE M S, LISTER S J, et al.Evaluation of microbial communities associated with the liquid and solid phases of the rumen of cattle offered a diet of perennial ryegrass or white clover[J].Frontiers in Microbiology, 2018, 9:2389.
[34] PITTA D W, PINCHAK W E, DOWD S, et al.Longitudinal shifts in bacterial diversity and fermentation pattern in the rumen of steers grazing wheat pasture[J].Anaerobe, 2014, 30:11-17.
[35] HENDERSON G, COX F, GANESH S, et al.Rumen microbial community composition varies with diet and host, but a core microbiome is found across a wide geographical range[J].Scientific Reports, 2015, 5:14567.
[36] IQBAL M W, ZHANG Q, YANG Y B, et al.Ruminal fermentation and microbial community differently influenced by four typical subtropical forages
in vitro[J].Animal Nutrition, 2018, 4(1):100-108.
[37] 张林, 李烨青, 王泽栋, 等.日粮NFC/NDF水平对泌乳后期奶牛生产性能、血液生化及抗氧化指标的影响[J].畜牧与兽医, 2018, 50(6):29-32. ZHANG L, LI Y Q, WANG Z D, et al.Effects of NFC/NDF levels on performance, blood biochemical and antioxidant index of cows in late lactation[J].Animal Husbandry & Veterinary Medicine, 2018, 50(6):29-32.(in Chinese)
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