References

AOAC, 1990. Official Methods of Analysis. 15th Edn., Association of Official Analytical Chemists, Washington, DC., USA., pp: 200-210.

Arambel, M.J. and B.A. Kent, 1990. Effect of yeast culture on nutrient digestibility and milk yield response in early- to midlactation dairy cows. J. Dairy Sci., 73: 1560-1563.
CrossRef  |  Direct Link  |  

Arambel, M.J. and R.D. Wiedme, 1986. Effect of supplement Saccharomyces cerevesiae and or Aspergillus oryzae on rumen fermentation. J. Dairy Sci., 73: 220-220.

Banadaky, M.D., A.N. Khah and A. Zali, 2003. Effects of feeding yeast (Saccharomyces cerevisiae) on productive performance and blood components of lactating Holstein dairy cows. Annual Conference, October, 2003, pp: 106. http://bsas.org.uk/downloads/annlproc/Pdf2003/106.pdf.

Bruno R.G.S., H.M. Rutigliano, R.L. Cerri, P.H. Robinson and J.E.P. Santos, 2009. Effect of feeding Saccharomyces cerevisiae on performance of dairy cows during summer heat stress. Anim. Feed Sci. Technol., 150: 175-186.
CrossRef  |  Direct Link  |  

Chaucheyras-Durand, F. and G. Fonty, 2002. Influence of a probiotic yeast (Saccharomyces cerevisiae CNCM I-1077) on microbial colonization and fermentations in the rumen of newborn lambs. Microbial. Ecol. Health Dis., 14: 30-36.
CrossRef  |  Direct Link  |  

Chaucheyras-Durand, F., N.D. Walker and A. Bach, 2008. Effects of active dry yeasts on the rumen microbial ecosystem: Past, present and future. Anim. Feed Sci. Technol., 145: 5-26.
CrossRef  |  Direct Link  |  

Dann, H.M., J.K. Drackley, G.C. McCoy, M.F. Hutjens and J.E. Garrett, 2000. Effects of yeast culture (Saccharomyces cerevisiae) on prepartum intake and postpartum intake and milk production of jersey cows. J. Dairy Sci., 83: 123-127.
CrossRef  |  Direct Link  |  

Di Francia, A., F. Masucci, G. de Rosa, M.L. Varricchio and V. Proto, 2008. Effects of Aspergillus oryzae extract and a Saccharomyces cerevisiae fermentation product on intake, body weight gain and digestibility in buffalo calves. Anim. Feed Sci. Technol., 140: 67-77.
CrossRef  |  Direct Link  |  

Edmonson, A.J., I.J. Lean, L.D. Weaver, T. Farver and G. Webster, 1989. A body condition scoring chart for Holstein dairy cows. J. Dairy Sci., 72: 68-78.
CrossRef  |  Direct Link  |  

Higginbotham, G.E., C.A. Collar, M.S. Aseltine and D.L. Bath, 1994. Effect of yeast culture and Aspergillus oryzae extract on milk yield in a commercial dairy herd. J. Dairy Sci., 77: 343-348.
PubMed  |  Direct Link  |  

Huber, J.T., G. Higginbotham, R.A. Gomez-Alarcon, R.B. Taylor, K.H. Chen, S.C. Chan and Z. Wu, 1994. Heat stress interactions with protein, supplemental fat and fungal cultures. J. Dairy Sci., 77: 2080-2090.
CrossRef  |  

Jouany, J.P., F. Mathieu, J. Senaud, J. Bohatier, G. Bertin and M. Mercier, 1998. The effect of Saccharomyces cerevisiae and Aspergilus oryzae on the digestion of the cell wall fraction of a mixed diet in defaunated and refaunated sheep rumen. Reprod. Nutr. Dev., 38: 401-416.
PubMed  |  Direct Link  |  

Kung Jr. L., E.M. Kreck, R.S. Tung, A.O. Hession and A.C. Sheperd et al., 1997. Effects of a live yeast culture and enzymes on in vitro ruminal fermentation and milk production of dairy cows. J. Dairy Sci., 80: 2045-2051.
CrossRef  |  PubMed  |  

Moallem, U., H. Lehrer, L. Livshitz, M. Zachut and S. Yakoby, 2009. The effects of live yeast supplementation to dairy cows during the hot season on production, feed efficiency and digestibility. J. Dairy Sci., 92: 343-351.
CrossRef  |  Direct Link  |  

Mwenya, B., X. Zhou, B. Santoso, C. Sar, Y. Gamo, T. Kobayashi and J. Takahashi, 2004. Effects of probiotic-vitacogen and β1-4 galacto-oligosaccharides supplementation on methanogenesis and energy and nitrogen utilization in dairy cows. Asian Aust. J. Anim. Sci., 17: 349-354.
Direct Link  |  

Nocek, J.E. and W.P. Kautz, 2006. Direct-fed microbial supplementation on ruminal digestion, health, and performance of pre-and postpartum dairy cattle. J. Dairy Sci., 89: 260-266.
CrossRef  |  PubMed  |  Direct Link  |  

Piva, G., S. Belladonna, G. Fusconi and F. Sicoaldi, 1993. Effects of yeast on dairy cow performance, ruminal fermentation, blood composition and milk manufacturing propertise. J. Dairy Sci., 76: 2717-2722.
CrossRef  |  

SAS, 2000. SAS User's Guide: Statistics. Version 8.1, SAS Inst. Inc., Cary, North Carolina, USA.

Schingoethe, D.J., K.N. Linke, K.F. Kalscheur, A.R. Hippen, D.R. Rennich and I. Yoon, 2004. Feeding efficiency of mid-lactation dairy cows fed yeast culture during summer. J. Dairy Sci., 87: 4178-4181.
PubMed  |  Direct Link  |  

Stella, A.V., R. Paratte, L. Valnegri, G. Cigalino and G. Soncini et al., 2007. Effect of administration of live Saccharomyces cerevisiae on milk production, milk composition, blood metabolites and faecal flora in early lactating dairy goats. Small Rumin. Res., 67: 7-13.
CrossRef  |  Direct Link  |  

Swartz, D.L., L.D. Muller, G.W. Rogers and G.A. Varga, 1994. Effect of yeast cultures on performance of lactating dairy cows: A field study. J. Dairy Sci., 77: 3073-3080.
CrossRef  |  PubMed  |  Direct Link  |  

Van Keulen, J. and B.A. Young, 1977. Evaluation of acid-insoluble ash as a natural marker in ruminant digestibility studies. J. Anim. Sci., 44: 282-287.
CrossRef  |  Direct Link  |  

Wang, Z., M.L. Eastridge and X. Qiu, 2001. Effects of forage neutral detergent fiber and yeast culture on performance of cows during early lactation. J. Dairy Sci., 84: 204-212.
CrossRef  |  PubMed  |  Direct Link  |  

Wohlt, J.E., A.D. Finkelstein and C.H. Chung, 1991. Yeast culture to improve intake, nutrient digestibility and performance by dairy cattle during early lactation. J. Dairy Sci., 74: 1395-1400.
CrossRef  |  Direct Link  |  

Wohlt, J.E., T.T. Corcione and P.K. Zajac, 1998. Effect of yeast on feed intake and performance of cows fed diets based on corn silage during early lactation. J. Dairy Sci., 81: 1345-1352.
CrossRef  |  PubMed  |  Direct Link  |  

van Soest, P.J., J.B. Robertson and B.A. Lewis, 1991. Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. J. Dairy Sci., 74: 3583-3597.
CrossRef  |  PubMed  |  Direct Link  |