[1] 郭宪,阎萍,梁春年,等.中国牦牛业发展现状及对策分析[J].中国牛业科学,2009,35(2):55-57.
[2] 朱新书,阎萍,梁春年,等.从生态学观点论青藏高原地区牦牛产业的可持续发展[J].黑龙江畜牧兽医,2011(3):148-150.
[3] 孟献亚,李亚楠,张秀丽,等.牦牛肉和牦牛乳中碘含量及甲状腺激素检测结果分析[J].现代预防医学,2017,44(10):1774-1775,1779.
[4] 韩兴泰,胡令浩,谢敖云,等.粗饲条件下生长牦牛能量代谢的估测[J].青海畜牧兽医杂志,1992,22(2):21-22.
[5] 薛白,柴沙驼,刘书杰,等.生长期牦牛蛋白质需要量的研究[J].青海畜牧兽医杂志,1994,24(4):1-5.
[6] NUDDA A,BATTACONE G,DECANDIA M,et al.The effect of dietary iodine supplementation in dairy goats on milk production traits and milk iodine content[J].Journal of Dairy Science,2009,92(10):5133-5138.

[7] 孔祥瑞.必需微量元素的营养生理及临床意义[M].合肥:安徽科学技术出版社,1982:121.
[8] 孙全文.必需微量元素碘对家兔的营养作用[J].中国养兔,2009(5):34-39.
[9] SARGISON N D,WEST D M,CLARK R G.The effects of iodine deficiency on ewe fertility and perinatal lamb mortality[J].New Zealand Veterinary Journal,1998,46(2):72-75.

[10] 李西峰,杨全明.必需微量元素碘[J].中国饲料,1995(20):31.
[11] 杨凤.动物营养学[M].2版.北京:中国农业出版社,2003:116-117.
[12] 郭洋,杜绍范.碘对于反刍动物的毒性[J].现代畜牧兽医,2005(7):52-53.
[13] 杨国忠,王净,孙泰然,等.微量元素碘对动物的营养作用[J].今日畜牧兽医,2007(1):52-53.
[14] NRC.Nutrient requirements of small ruminants:sheep,goats,cervids,and New World camelids[S].Washington,D.C.:National Academies Press,2007.
[15] 柴沙驼,刘书杰,谢敖云,等.生长期牦牛对饲料中氮利用率的研究[J].草食家畜,1996(4):36-39,57.
[16] MENKE K H,RAAB L,SALEWSKI A,et al.The estimation of the digestibility and metabolizable energy content of ruminant feeding stuffs from the gas production when they are incubated with rumen liquor
in vitro[J].The Journal of Agricultural Science,1979,93(1):217-222.

[17] 中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会.GB/T 13882-2010饲料中碘的测定硫氰酸铁-亚硝酸催化动力学法[S].北京:中国标准出版社,2011.
[18] 冯宗慈,高民.通过比色测定瘤胃液氨氮含量方法的改进[J].畜牧与饲料科学,2010,31(4):40-41.
[19] 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.
[20] 王加启.反刍动物营养学研究方法[M].北京:现代教育出版社,2012:139-141.
[21] MENKE K H.Estimation of the energetic feed value obtained from chemical analysis and
in vitro gas production using rumen fluid[J].Animal Research and Development,1988,28:7-55.
[22] 哈斯花.体外发酵产气技术在饲料营养价值评定中的作用[J].当代畜禽养殖业,2013(1):15-19.
[23] 王茂荣.不同水平的铜、铁、碘、钼对RSI-Ⅱ人工瘤胃微生物发酵的影响[D].硕士学位论文.晋中:山西农业大学,2001.
[24] 高天爽,孙海霞,谢小来,等.日粮中高粱替代玉米对绵羊瘤胃发酵的影响[J].黑龙江畜牧兽医,2014(9):7-10.
[25] WALES W J,KOLVER E S,THORNE P L,et al.Diurnal variation in ruminal pH on the digestibility of highly digestible perennial ryegrass during continuous culture fermentation[J].Journal of Dairy Science,2004,87(6):1864-1871.

[26] KOPECNY J,WALLACE R J.Cellular location and some properties of proteolytic enzymes of rumen bacteria[J].Applied and Environmental Microbiology,1982,43(5):1026-1033.
[27] 陈光吉,严锦绣,郭春华,等.微生物发酵饲料对肉牛瘤胃液pH值和微生物数量的影响[J].黑龙江畜牧兽医,2015(7):104-107.
[28] 张海涛,王加启,卜登攀,等.纳豆枯草芽孢杆菌对犊牛断奶前后瘤胃发酵和酶活的影响[J].中国畜牧兽医,2009,36(12):5-11.
[29] 刘彩娟,孙满吉,孙金艳,等.饲粮中添加复合益生菌对奶牛瘤胃发酵及纤维素酶活的影响[J].动物营养学报,2011,23(5):821-827.
[30] 王杰.小尾寒羊、滩羊生长性能及其主要消化生理参数的比较[D].硕士学位论文.杨凌:西北农林科技大学,2008.
[31] LENG R A,NOLAN J V.Nitrogen metabolism in the rumen[J].Journal of Dairy Science,1984,67(5):1072-1089.

[32] MURPHY J J,KENELLY J J.Effect of protein concentration and protein source on the degradability of dry matter and protein
in situ[J].Journal of Dairy Science,1987,70(9):1841-1849.

[33] SLYTER L L.Monensin and dichloroacetamide influences on methane and volatile fatty acid production by rumen bacteria
in vitro[J].Applied and Environmental Microbiology,1979,37(2):283-288.
[34] GRAY G M.Starch digestion and absorption in nonruminants[J].The Journal of Nutrition,1992,122(1):172-177.