Researchers from University of Alexandria Discuss Findings in Saccharomyces cerevisiae (In Vitro Fermentative Capacity of Equine Fecal Inocula of 9...

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Researchers from University of Alexandria Discuss Findings in Saccharomyces cerevisiae (In Vitro Fermentative Capacity of Equine Fecal Inocula of 9 fibrous Forages in the Presence of Different Doses of Saccharomyces cerevisiae) By a News Reporter-Staff News Editor at Life Science Weekly -- A new study on Saccharomyces cerevisiae is now available. According to news reporting originating from Alexandria, Egypt, by NewsRx correspondents, research stated, "This experiment was conducted to evaluate in vitro effects of equine fecal inocula fermentative capacity on 9 fibrous forages in the presence of Saccharomyces cerevisiae. The fibrous feeds were corn stover (Zea mays), oat straw (Avena sativa), sugarcane bagasse and leaves (Saccharum officinarum), Ilanero grass leaves (Andropogon gayanus), Taiwan grass leaves (Pennisetum purpureum), sorghum straw (Sorghum vulgare), and steria grass leaves (Cynodon plectostachyus)." Our news editors obtained a quote from the research from the University of Alexandria, "Fibrous feed samples were incubated with several doses of S. cerevisiae; 0 (control), 1.25 (low), 2.5 (medium) and 5 (high) mg/g dry matter (DM) of a commercial yeast product containing 1 x 10(10)/g. Fecal inoculum was collected from 4 adult horses were fed on an amount of commercial concentrate and oat hay ad libitum. Gas production (GP) was recorded at 2, 4, 6, 8, 10, 12, 24, and 48 hours post inoculation. An interaction occurred between feeds and yeast dose for fecal pH (P <.01), asymptotic GP (b, ml/g DM); rate of GP (c, /hr); initial delay before GP began (L, hours), GP at 4 hours and 48 hours (P <.01), and GP at 8 hours (P <.01) and at 24 hours (P <.01). Differences in fecal fermentation capacity between the tropical and template grass (P <.05) occurred for fecal pH, c, and GP during first 12 hours, whereas differences occurred (P <.05) between the agriculture byproducts and the grasses for fecal pH, b, and GP from 8 to 48 hours. Fermentation capacity between straws versus not straws (P <.05) differed for fecal pH, b, and GP after 12 hours between straws versus not straws. Addition of S. cerevisiae to Z. mays stover reduced (P <.01) fecal pH and the c fraction with a higher (P <.01) b fraction versus the other feeds. From 4 to 24 hours, S. officinarum bagasse improved GP to the highest values versus S. officinarum leaves. After 24 hours, Z mays stover had the highest GP, whereas C plectostachyus leaves had the lowest. There were no differences among the yeast doses for all measured parameters with the exception of L values (linear effect; P<.01). The Z. mays stover had the highest nutritive compared to the other fibrous feeds." According to the news editors, the research concluded: "However, addition of S. cerevisiae at 2.5 to 5.0 g/kg DM improved fecal fermentation capacity of low-quality forages." For more information on this research see: In Vitro Fermentative Capacity of Equine Fecal Inocula of 9 fibrous Forages in the Presence of Different Doses of Saccharomyces cerevisiae. Journal of Equine Veterinary Science, 2014;34(5):619-625. Journal of Equine Veterinary Science can be contacted at: Elsevier Science Inc, 360 Park Ave South, New York, NY 10010-1710, USA. (Elsevier -; Journal of Equine Veterinary Science - The news editors report that additional information may be obtained by contacting M.M.Y. Elghandour, University of Alexandria, Fac Agr, Alexandria, Egypt. Additional authors for this research include J.C.V. Chagoyan, A.Z.M. Salem, A.E. Kholif, J.S.M. Castaneda, L.M. Camacho and G. Buendia (see also Saccharomyces cerevisiae). Keywords for this news article include: Egypt, Africa, Alexandria, Life Sciences, Saccharomycetales, Saccharomycetaceae, Saccharomyces cerevisiae Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC

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