SciELO - Scientific Electronic Library Online

SciELO - Scientific Electronic Library Online

Article References

GHASEMI, E.; KHORVASH, M.  and  NIKKHAH, A.. Effect of forage sources and Saccharomyces cerevisiae (Sc 47) on ruminal fermentation parameters. S. Afr. j. anim. sci. [online]. 2012, vol.42, n.2, pp. 164-168. ISSN 0375-1589.

    AOAC, 1990. Official Methods of Analysis, Vol. I., 15th ed. Association of Official Analytical Chemists, Arlington, Virginia. [ Links ]

    Callaway, E.S. & Martin, S.A., 1997. Effects of Saccharomyces cerevisiae culture on ruminal bacteria that utilize lactate and digest cellulose. J. Dairy Sci. 80, 2035-2044. [ Links ]

    Conway, E.J., 1950. Microdiffusion Analysis and Volumetric Error. 2th ed. Crosby Lockwood & Son, London, U.K. [ Links ]

    Dehority, B.A., 1984. Evaluation of sampling and fixation procedures used for counting rumen protozoa. Appl. Environ. Microbiol. 48, 182-185. [ Links ]

    Dorea, M. & Jouany, J.P., 1998. Effect of Saccharomyces cerevisiae culture on nutrient digestion in lactating dairy cows. J. Dairy Sci. 81, 3214-3221. [ Links ]

    Erasmus, L.J., Botha, P.M. & Kistner, A., 1992. Effect of yeast culture supplement on production, rumen fermentation, and duodenal nitrogen flow in dairy cows. J. Dairy Sci. 75, 3056-3065. [ Links ]

    Fox, D.G., Tedeschi, L.O., Tylutki, T.P., Russell, J.B., Van Amburgh, M.E., Chase, L.E., Pell, A.N. & Overton, T.R., 2004. The Cornell Net Carbohydrate and Protein System Model for evaluating herd nutrition and nutrient excretion. Anim. Feed Sci. Technol. 112, 29-78. [ Links ]

    Giger-Reverdin, S., Sauvant, D., Tessier, J., Bertin, G. & Morand-Fehr, P., 2004. Effect of live yeast culture supplementation on rumen fermentation in lactating dairy goats. S. Afr. J. Anim. Sci. 2004, 34 (Suppl.1), 59-61. [ Links ]

    Girard, I.D., 1996. Characterization of stimulatory activities from Saccharomyces cerevisiae on the growth and activities of ruminal bacteria. Ph.D. dissertation. University of Kentucky, Lexington, USA. [ Links ]

    Kammalamma, U.K. & Krishnappa, P., 1996. Effect of feeding yeast culture (Yea-sacc1026) on rumen fermentation in vitro and production performance in crossbred dairy cows. Anim. Feed Sci. Technol. 57, 247-256 [ Links ]

    Kumar, U., Sareen, V.K. & Singh, S., 1994. Effect of Saccharomyces cerevisiae yeast culture supplement on ruminal metabolism in buffalo calves given a high concentrate diet. Anim.Prod. 59, 209-215. [ Links ]

    Kung Jr, L., Kreck, E.M. & Tung, R.S., 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. [ Links ]

    Lila, Z.A., Mohammed, N., Yasui, T., Kurokawa, Y., Kanda, S. & Itabashi, H., 2004. Effects of a twin strain of Saccharomyces cerevisiae live cells on mixed ruminal microorganism fermentation in vitro. J. Anim. Sci. 82, 1847-1854. [ Links ]

    McDonald, I., 1981. A revised model for the estimation of protein degradability in the rumen. J. Agric. Sci. 96, 251-252. [ Links ]

    Moya, D., Calsamiglia, S., Ferret, A., Blanch, M., Fandino, J.I., Castillejos, L. & Yoon, I., 2009. Effects of dietary changes and yeast culture (Saccharomyces cerevisiae) on rumen microbial fermentation of Holstein heifers. J. Anim. Sci. 87, 2874-2881. [ Links ]

    Nagaraja, T.G., Newbold, C.J., Van Nevel, C.J. & Demeyer, D.I., 1997. Manipulation of ruminal fermentation. In: The Rumen Microbial Ecosystem (2nd ed.). Eds Hobson, P.M. & Stewart, C.W., Blackie Academic and Professional, London, England. p. 521. [ Links ]

    Newbold, C.J., Wallace, R.J., Chen, X.B. & McIntosh, F.M., 1995. Different strains of Saccharomyces cerevisiae differ in their effects on ruminal bacterial number in vitro and in sheep. J. Anim. Sci. 73, 1811-1818. [ Links ]

    Newbold, C.J., Wallace, R.J. & McIntosh, F.M., 1996. Mode of action of the yeast Saccharomyces cerevisiae as a feed additive for ruminants. Br. J. Nutr. 76, 249-261. [ Links ]

    Ottenstein, D.M. & Bartley, D.A., 1971. Determination of rumen VFA. Anal. Chem. 43, 952-955. [ Links ]

    SAS, 2001. The Statistical Analysis System for Windows, Release 8.2. SAS Institute Inc., Cary, N.C., USA. [ Links ]

    Van Soest, P.J., Robertson, J.B. & Lewis, B.A., 1991. Methods for dietary fiber, neutral detergent fiber, and non-starch polysaccharides in relation to animal nutrition. J. Dairy Sci. 74, 3583-3592. [ Links ]

    Wallace, R.J. & Newbold, C.J., 1992. Probiotics for ruminants. In: Probiotics: The Scientific Basis. Ed. Fuller, R., Chapman and Hall, London, UK. pp. 317-353. [ Links ]