___

Erasmus LJ, Botha PM, Kistner A: Effects of yeast culture supplement on production, rumen fermentation and duodenal nitrogen flow in dairy cows. J Dairy Sci, 75, 3056-3065, 1992. DOI: 10.3168/jds.S0022-0302(92)78069-2

Mwenya B, Santoso B, Sar C, Pen B, Morikawa R, Takaura K, Umetsu K, Kimura K, Takahashi J: Effects of yeast culture and galactooligosaccharides on ruminal fermentation in Holstein cows. J Dairy Sci, 88, 1404-1412, 2005. DOI: 10.3168/jds.S0022-0302(05)72808-3

Enjalbert F, Garrett JE, Moncoulon R, Bayourthe C, Chicoteau P: Effects of yeast culture (Saccharomyces cerevisiae) on ruminal digestion in non-lactating cows. Anim Feed Sci Technol, 76, 195-206, 1999. DOI: 10.1016/ S0377-8401(98)00230-2

Pinloche E, McEwan N, Marden JP, Bayourthe C, Auclai E, Newbold CJ: The effects of a probiotic yeast on the bacterial diversity and population structure in the rumen of cattle. Plos One, 8, 1-10, 2013. DOI: 10.1371/ journal.pone.0067824

Sutton JD: Digestion and absorption of energy substrates in the lactating cow. J Dairy Sci, 68, 3376-3393, 1985. DOI: 10.3168/jds.S0022- 0302(85)81251-0

Bergman EN, Reid RS, Murray MG, Brockway JM, Whitelaw FG: Interconversions and production of volatile fatty acids in sheep rumen. Biochem J, 97, 53-58, 1965. DOI: 10.1042/bj0970053

Newbold CJ, Wallace RJ, Chen XB, McIntosh FM: Different strains of Saccharomyces cerevisiae differ in their effects on ruminal bacterial numbers in vitro and in sheep. J Anim Sci, 73, 1811-1818, 1995. DOI: 10.2527/1995.7361811x

Doreau M, Jouany JP: Effect of a Saccharomyces cerevisiae culture on nutrient digestion in lactating dairy cows. J Dairy Sci, 81, 3214-3221, 1998. DOI: 10.3168/jds.S0022-0302(98)75885-0

Guedes CM, Goncalves D, Rodrigues MAM, Dias-da-Silva A: Effects of a Saccharomyces cerevisiae yeast on ruminal fermentation and fibre degradation of maize silages in cows. Anim Feed Sci Technol, 145, 27-40, 2008. DOI: 10.1016/j.anifeedsci.2007.06.037

Kamalamma UK, Krishnappa P: Effect of feeding yeast culture (Yeasacc1026) on rumen fermentation in vitro and production performance in crossbred dairy cows. Anim Feed Sci Technol, 57, 247-256, 1996. DOI: 10.1016/0377-8401(95)00829-2

Lu M, Ran LW, Ye GG, Wu XM, Huang KH: Effects of dietary addition of Se-enriched probiotics on blood parameters and antioxidant capacity of goats. Anim Husbandry Vet Med, 45, 94-97, 2013.

Satter LD, Slyter LL: Effect of ammonia concentration of rumen microbial protein production in vitro. Br J Nutr, 32, 199-208, 1974. DOI: 10.1079/BJN19740073

Hristov AN, Ropp JK, Hunt CW: Effect of barley and its amylopectin content on ruminal fermentation and bacterial utilization of ammonia-N in vitro. Anim Feed Sci Technol, 99, 25-36, 2002. DOI: 10.1016/S0377- 8401(02)00076-7

Stewart CS, Flint HJ, Bryant MP: The rumen bacteria. In, Hobson PN, Stewart CS (Eds): The Rumen Microbial Ecosystem, 10-72. Chapman and Hall, London, 1997.

Krause KM, Oetzel GR: Understanding and preventing subacute ruminal acidosis in dairy herds: A review. Anim Feed Sci Technol, 126, 215- 236, 2006. DOI: 10.1016/J.ANIFEEDSCI.2005.08.004

Miranda RLA, Mendoza MGD, Barcena-Gama JR, Gonzalez MSS, Ferrara R, Ortega CME, Cobos PMA: Effect of Saccharomyces cerevisiae or Aspergillus oryzae cultures and NDF level on parameters of ruminal fermentation. Anim Feed Sci Technol, 63, 289-296, 1996. DOI: 10.1016/ S0377-8401(96)01008-5

Titi HH, Dmour RO, Abdullah AY: Growth performance and carcass characteristics of Awassi lambs and Shami goat kids fed yeast culture in their finishing diet. Anim Feed Sci Technol, 142, 33-43, 2008. DOI: 10.1016/J. ANIFEEDSCI.2007.06.034

Fokkink WB, Hill TM, Bateman G, Aldrich JM, Schlotterbeck RL: Selenium yeast for dairy calf feeds. Anim Feed Sci Technol, 153, 228-235, 2009.

Tripathi MK, Karim SA: Effect of individual and mixed live yeast culture feeding on growth performance, nutrient utilization and microbial crude protein synthesis in lambs. Anim Feed Sci Technol, 155, 163-171, 2010. DOI: 10.1016/j.anifeedsci.2009.11.007

Sullivan HM, Martin SA: Effects of a Saccharomyces cerevisiae culture on in vitro mixed ruminal microorganism fermentation. J Dairy Sci, 82, 2011- 2016, 1999. DOI: 10.3168/jds.S0022-0302(99)75438-X

Wang M, Sun XZ, Tang SX, Tan ZL, Pecheco D: Deriving fractional rate of degradation of logistic-exponential (LE) model to evaluate early in vitro fermentation. Animal, 7, 920-929, 2013. DOI: 10.1017/S1751731112002443

Wang C, Liu Q, Huang YX, Miao CH, Gao DH: Effects of dietary Seyeast supplementation on rumen fermentation and purine derivatives in Simmental steers. Chin J Anim Nutr, 19, 725-730, 2007.

Tang HC, Wang T: The effects of yeast culture on in vitro fermentation of rumen microorganisms and the metabolism of goat rumen[D]. Nanjing Agricultural University, Nanjing, p: 32-39, 2006.

Wang M, Tang SX, Tan ZL: Modeling in vitro gas production kinetics: Derivation of Logistic-Exponential (LE) equations and comparison of models. Anim Feed Sci Technol, 165, 137-150, 2011. DOI: 10.1016/j.anifeedsci. 2010.09.016

Wang Z, He ZX, Beauchemin KA, Tang SX, Zhou CS, Han XF, Wang M, Kang JH, Odongo NE, Tan ZL: Comparison of two live Bacillus species as feed additives for improving in vitro fermentation of cereal straws. Anim Sci J, 87, 27-36, 2016. DOI: 10.1111/asj.12346

Wang M, Sun XZ, Janssen PH, Tang SX, Tan ZL: Responses of methane production and fermentation pathways to the increased dissolved hydrogen concentration generated by eight substrates in in vitro ruminal cultures. Anim Feed Sci Technol, 194, 1-11, 2014. DOI: 10.1016/j. anifeedsci.2014.04.012

Van Soest PJ, Robertson JB, Lewis BA: Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. J Dairy Sci, 74, 3583-3597, 1991. DOI: 10.3168/jds.S0022- 0302(91)78551-2

AOAC: Official Methods of Analysis of AOAC International. 16th edn. Association of Official Analytical Chemists, MD, Washington, DC, USA,1999.

Tang SX, Tan ZL, Zhou CS, Jiang H, Jiang Y, Sheng L: A comparison of in vitro fermentation characteristics of different botanical fractions of mature maize stover. J Anim Feed Sci, 15, 505-515, 2006. DOI: 10.22358/ jafs/66920/2006

Cope CM, Mackenzie AM, Wilde D, Sinclair LA: Effects of level and form of dietary zinc on dairy cow performance and health. J Dairy Sci, 92, 2128-2135, 2008. DOI: 10.3168/jds.2008-1232

Zhang CH, Jiang JY, Ren HY, Zhu FH, Li WL: Effects of chromium yeast on immune function and carcass quality in heat stressed broilers. Acta Ecol Anim Domast, 30, 56-61, 2009.

Wang XX, Li XB, Zhao CX, Hu P, Chen H, Liu ZX, Liu GW, Zhe W: Correlation between composition of the bacterial community and concentration of volatile fatty acids in the rumen during the transition period and ketosis in dairy cows. Appl Environ Microb, 78, 2386-2392, 2012. DOI: 10.1128/AEM.07545-11

Shi L, Zhang CX, Yue WB, Shi LG, Zhu XM, Lei FL: Short-term effect of dietary selenium-enriched yeast on semen parameters, antioxidant status and Se concentration in goat seminal plasma. Anim Feed Sci Technol, 157, 104-108, 2010. DOI: 10.1016/j.anifeedsci.2010.02.006

Yue WB, Zhang CX, Shi LG, Ren YS, Jiang YS, Kleemann DO: Effect of supplemental selenomethionine on growth performance and serum antioxidant status in Taihang black goats. Asian-Austral J Anim Sci, 22, 365- 370, 2009. DOI: 10.5713/ajas.2009.80474

Mertz W: Chromium in human nutrition: A review. J Nutr, 123, 626-633, 1993. DOI: 10.1093/jn/123.4.626

Anderson RA: Chromium, glucose intolerance and diabetes. J Am Coll Nutr, 17, 548-555, 1998. DOI: 10.1080/07315724.1998.10718802

Zhang SQ, Zhang Y, Peng N, Zhang HB, Yao J, Li ZH, Liu LG: Pharmacokinetics and biodistribution of zinc-enriched yeast in rats. Sci Word J, 2014, 217142, 2014. DOI: 10.1155/2014/217142

Ortman K, Pehrson B: Selenite and selenium yeast as feed supplements for dairy cows. J Vet Med, 4, 373-380, 2007.

Mazo VK, Gmoshinski IV, Zorinand SN: New food sources of essential trace elements produced by biotechnology facilities. Biotechnol J, 2, 1297- 1305, 2007. DOI: 10.1002/biot.200700015

Callaway ES, Martin SA: Effects of Saccharomyces cerevisiae culture on ruminal bacteria that utilize lactate and digest cellulose. J Dairy Sci, 80, 2035-2044, 1997. DOI: 10.3168/jds.S0022-0302(97)76148-4

Martin SA, Nisbet DJ, Dean RG: Influence of a commercial yeast supplement on the in vitro ruminal fermentation. Nutr Rep Int, 40, 395- 403,1989.

Williams PE, Tait CAG, Innes GM, Newbold CJ: Effects of the inclusion of yeast culture (Saccharomyces cerevisiae plus growth medium) in the diet of cows on milk yield and forage degradation and fermentation patterns in the rumen of sheep and steers. J Anim Sci, 69, 3016-3026, 1991. DOI: 10.2527/1991.6973016x

Plata PF, Mendoza GDM, Bárcena-Gama JR, González MS: Effect of a yeast culture (Saccharomyces cerevisiae) on neutral detergent fiber digestion in steers fed oat straw based diets. Anim Feed Sci Technol, 49, 203- 210, 1994. DOI: 10.1016/0377-8401(94)90046-9

Lesmeister KE, Heinrichs AJ, Gabler MT: Effects of supplemental yeast (Saccharomyces cerevisiae) culture on rumen development, growth characteristics, and blood parameters in neonatal dairy calves. J Dairy Sci, 87, 1832-1839, 2004. DOI: 10.3168/jds.S0022-0302(04)73340-8

Tang SX, Tayo GO, Tan ZL, Sun ZH, Shen LX, Zhou CS, WJ Xiao, Ren GP, Han XF, Shen SB: Effects of yeast culture and fibrolytic enzyme supplementation on in vitro fermentation characteristics of low-quality cereal straws. J Anim Sci, 86, 1164-1172, 2008. DOI: 10.2527/jas.2007-0438