News Column

New Findings from University of Leon in the Area of Livestock Science Reported

February 6, 2014

By a News Reporter-Staff News Editor at Agriculture Week -- Investigators publish new report on Livestock Science. According to news reporting out of Leon, Spain, by VerticalNews editors, research stated, "Thirty-two lambs were divided in 4 groups with 2 replicates each (8 batches in total) according to their body weights. The lambs were fed a total mixed ration (TMR) formulated either with palm oil (CTRL, 2 replicates, 4 animals per replicate; 34 g palmoil kg(-1) TMR) or flaxseed (FS, 2 replicates, 4 animals per replicate; 85 g flaxseed kg(-1) TMR)." Our news journalists obtained a quote from the research from the University of Leon , "Four more batches were fed the same TMRs but enriched with quercetin (QCT, 2 replicates, 4 animals per replicate, 34 g palm oil plus 2 g quercetin kg(-1) TMR; FS-QCT, 2 replicates, 4 animals per replicate, 85 g flaxseed plus 2 g quercetin kg(-1) TMR). Three weeks after starting with the experimental diets, the animals were immunized by a subcutaneous injection of ovalbumin, and blood samples were collected at days 0, 4, 9, 14 and 17 post-immunization to measure antibodies against ovalbumin. Afterwards, all of the lambs were subjected to a 4-h transportation-stress period to study the evolution of haematological and biochemical parameters during road transport and, finally, slaughtered. Mean ova-specific IgG titres were significantly lower in the lambs fed FS on days 14 and 17 when compared to CTRL group (FS x DAY, P=0.033). Additionally, FS reduced white blood cells counts and tissue damage (creatine phosphokinase, P< 0.05) during road transport Consequently, flaxseed showed some immunological properties and protection against tissue damage during road transport." According to the news editors, the research concluded: "Regarding ruminal acidosis, both quercetin and flaxseed seemed to be adequate to reduce the level of parakeratosis." For more information on this research see: Quercetin and flaxseed included in the diet of fattening lambs: Effects on immune response, stress during road transport and ruminal acidosis. Livestock Science , 2013;158(1-3):84-90. Livestock Science can be contacted at: Elsevier Science Bv, PO Box 211, 1000 Ae Amsterdam, Netherlands . ( Elsevier - ; Livestock Science - ) Our news journalists report that additional information may be obtained by contacting J. Benavides , University of Leon , CSIC, Inst Ganaderia Montana, E-24346 Leon, Spain. Additional authors for this research include M. Martinez-Valladares , M.L. Tejido, F.J. Giraldez , R. Bodas , N. Prieto , V. Perez and S. Andres. Keywords for this news article include: Leon, Spain, Europe , Livestock Science Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC

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Source: Agriculture Week

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