[1] CALBERRY J M,PLAIZIER J C,EINARSON M S,et al.Effects of replacing chopped alfalfa hay with alfalfa silage in a total mixed ration on production and rumen conditions of lactating dairy cows[J].Journal of Dairy Science,2003,86(11):3611-3619.

[2] KAMMES K L,HEEMINK G B H,ALBRECHT K A,et al.Utilization of kura clover-reed canarygrass silage versus alfalfa silage by lactating dairy cows[J].Journal of Dairy Science,2008,91(8):3138-3144.

[3] GROFF E B,WU Z.Milk production and nitrogen excretion of dairy cows fed different amounts of protein and varying proportions of alfalfa and corn silage[J].Journal of Dairy Science,2005,88(10):3619-3632.

[4] 史卉玲.不同比例苜蓿青贮与玉米青贮组合对奶牛生产性能的影响[D].硕士学位论文.阿拉尔:塔里木大学,2013.
[5] BASSO F C,ADESOGAN A T,LARA E C,et al.Effects of feeding corn silage inoculated with microbial additives on the ruminal fermentation,microbial protein yield,and growth performance of lambs[J].Journal of Animal Science,2014,92(12):5640-5650.

[6] BURKEN D B.New approaches to corn silage use in beef cattle finishing diets[D].Ph.D.Thesis.Nebraska:University of Nebraska,2014.
[7] CONTRERAS-GOVEA F E,MUCK R E,MERTENS D R,et al.Microbial inoculant effects on silage and
in vitro ruminal fermentation,and microbial biomass estimation for alfalfa,BMR corn,and corn silages[J].Animal Feed Science and Technology,2011,163(1):2-10.

[8] 沙文锋,朱娟,姜慧锋.稻草拉伸膜裹包青贮效果分析[J].农产品加工,2010(3):79-80.
[9] 李荣侠.全株玉米窖贮与拉伸膜裹包青贮的比较研究[J].当代畜牧,2010(1):31-32.
[10] FÉRARD A,JOURNAUX J,MESLIER E,et al.Effect of harvest period of maize silage and the content of wrapped grass silage on the production of dairy cows[C]//Rencontres Recherche Ruminants:[s.l.],2014.
[11] THEODORIDOU K,AUFRōRE J,ANDUEZA D,et al.Effects of condensed tannins in fresh sainfoin (
Onobrychis viciifolia) on
in vivo and
in situ digestion in sheep[J].Animal Feed Science and Technology,2010,160(1/2):23-38.
[12] 雷云国.肉牛生产技术讲座(二)肉牛生长规律及其利用[J].现代化农业,2002(5):26-28.
[13] 雷云国.肉牛的消化系统和功能[J].现代化农业,2002(9):28-29.
[14] 张英杰.日粮类型对肉牛消化道酶活的影响及饲料小肠消化率评定方法研究[D].博士学位论文.北京:中国农业大学,2000.
[15] 郑晓中.肉牛对脂肪的消化代谢及其对能量转化效率调控的研究[D].博士学位论文.北京:中国农业大学,1998.
[16] 张建中.肉牛小肠碳化合物的消化及其对能量转化的研究[D].博士学位论文.北京:中国农业大学,1997.
[17] MARQUES R S,CHAGAS L J,OWENS F N,et al.Effects of various roughage levels with whole flint corn grain on performance of finishing cattle[J].Journal of Animal Science,2016,94(1):339-348.

[18] QUINN M J,MAY M L,DILORENZO N,et al.Effects of roughage source and distillers grain concentration on beef cattle finishing performance,carcass characteristics,and
in vitro fermentation[J].Journal of Animal Science,2011,89(8):2631-2642.

[19] SCHWAIGER T,BEAUCHEMIN K A,PENNER G B.The duration of time that beef cattle are fed a high-grain diet affects the recovery from a bout of ruminal acidosis:dry matter intake and ruminal fermentation[J].Journal of Animal Science,2013,91(12):5729-5742.

[20] PAN X H,YANG L,XUE F G,et al.Relationship between thiamine and subacute ruminal acidosis induced by a high-grain diet in dairy cows[J].Journal of Dairy Science,2016,99(11):8790-8801.

[21] 张宏福.动物营养参数与饲养标准[M].2版.北京:中国农业出版社,2010.
[22] FREER M,DOVE H,NOLAN J V.Nutrient requirements of domesticated ruminants[M].Collingwood,Vic.:CSIRO Pub.,2007:296.
[23] 王宏娟,周虚.湘西黄牛妊娠前后血常规变化研究[J].黑龙江畜牧兽医,2012(7):48-50.
[24] 刘霄,黄江.金色中仓鼠冬眠期与非冬眠期血液生化指标的对比研究[J].北京医学,2016,38(8):841-843.
[25] 伊平昌,顾冬花.大通县高原型牦牛12项血液指标的测定[J].四川畜牧兽医,2014,41(2):29-30.
[26] 江家椿,姜生成,边巴次仁,等.西藏高原工布江达牦牛、藏黄牛、甲咂牛八项生理常值的对比分析[J].中国牦牛,1991(1):32-37.
[27] 孙东波.兽医临床诊断学[M].哈尔滨:东北林业大学出版社,2013.
[28] 张娇娇,闫琦,刘培培,等.低海拔异地育肥牦牛与本地杂交肉牛(秦川×西门塔尔)在不同非蛋白氮水平饲粮条件下血液生理生化指标及生长性能的差异[J].动物营养学报,2017,29(11):3942-3950.
[29] 赵丽莉,李耀忠,杨丽琴.缓释尿素对滩母羊血清中尿素浓度的影响[J].农业科学研究,2007,28(3):24-25.
[30] 司方方,涂剑锋,刘天龙,等.四君子汤超微粉对脾虚小鼠总抗氧化能力和NO的影响[J].动物医学进展,2006,27(3):75-77.
[31] DRÖGE W.Free radicals in the physiological control of cell function[J].Physiological Reviews,2002,82(1):47-95.

[32] BOUWSTRA R J,GOSELINK R M A,DOBBELAAR P,et al.The relationship between oxidative damage and vitamin E concentration in blood,milk,and liver tissue from vitamin E supplemented and nonsupplemented periparturient heifers[J].Journal of Dairy Science,2008,91(3):977-987.

[33] 唐波,王群,奚雨萌,等.蛋氨酸羟基异丙酯对犊牛生长、血清生化指标和激素水平的影响[J].江苏农业学报,2014,30(3):567-573.
[34] ARMSTRONG D,BROWNE R.The analysis of free radicals,lipid peroxides,antioxidant enzymes and compounds related to oxidative stress as applied to the clinical chemistry laboratory[C]//ARMSTRONG D.Free radicals in diagnostic medicine.Boston MA:Springer,1994.
[35] 周圻,张显花,焦祖武,等.复方中草药添加剂对断奶仔猪血液生化指标和激素水平的影响[J].湖北农业科学,2005(2):91-93.
[36] 尹富贵,孔祥峰,刘合军,等.中草药对仔猪生长性能和血清生化参数的影响[J].中国科学院研究生院学报,2007,24(2):201-206.
[37] HOLE C EK M.Relation between glutamine,branched-chain amino acids,and protein metabolism[J].Nutrition,2002,18(2):130-133.

[38] GODDEN S M,LISSEMORE K D,KELTON D F,et al.Factors associated with milk urea concentrations in Ontario dairy cows[J].Journal of Dairy Science,2001,84(1):107-114.

[39] WAIBEL P E,CUPERLOVIC M,HURRELL R F,et al.Processing damage to lysine and other amino acids in the manufacture of blood meal[J].Journal of Agricultural and Food Chemistry,1976,25(1):171-175.
[40] 高俊峰.发酵木薯渣对本地黑山羊生长性能、血液生化指标和养分消化代谢的影响[D].硕士学位论文.南宁:广西大学,2013.
[41] 李小杉,杨丰利,杜玉兰,等.奶牛酮病及其预防措施[J].动物医学进展,2010,31(1):108-111.
[42] 郭辉.山羊在不同日粮结构下尿中嘌呤衍生物排出规律的研究[D].硕士学位论文.南宁:广西大学,2008.
[43] WEST H J.Effect on liver function of acetonaemia and the fat cow syndrome in cattle[J].Research in Veterinary Science,1990,48(2):221-227.

[44] 李影球,方运雄,包付银,等.饲喂含常规大豆蛋白代乳料对犊牛生长性能和血液生化参数的影响[J].饲料工业,2007,28(9):35-38.