پديد آورنده :
باقري ورزنه، مريم
عنوان :
تاثير استفاده از مخمر و كربوهيدرات هاي ديواره سلولي آن بر روند تخمير شكمبه و عملكرد گاوهاي شيرده هلشتاين
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
يازده،80ص.: مصور ،جدول
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
غلامرضا قرباني،حميدرضا رحماني
استاد مشاور :
محمد خوروش،نفيسه نيلي
توصيفگر ها :
اليگوساكاريدمانان , نشخواركننده , تجزيه پذيري , تخمير
تاريخ نمايه سازي :
22/9/88
استاد داور :
احمد زارع ،احمد افضل زاده،مسعود عليخاني
كد ايرانداك :
ID269 دكتري
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
Effect of Yeast and Yeast Cell Wall Carbohydrates on Rumen Fermentation and Performance of Holstein Dairy Cows Maryam Bagheri Varzaneh m bagheri@ag iut ac ir bagheri m58@yahoo com 19 10 2009 Department of Animal Science Isfahan University of Technology Isfahan 84156 83111 Iran Supervisors Dr G R Ghorbani ghorbani@cc iut ac ir Dr H R Rahmani hrahmani@cc iut ac ir Advisors Dr M Khorvash Dr N Nili College Graduate Coordinator Dr F Nourbakhsh Department of Animal Science Isfahan University of Technology Isfahan 84156 83111 Iran Abstract Three experiments were conducted to investigate the effects of supplemental live yeast SC and mannan oligosaccharides MOS and their combination on in vitro fermentation and in vivo metabolism and performance of ruminants In experiment 1 a batch culture study was conducted in which supplementation of 1 no additive CON 2 monensin MON 5ppm bactch 3 mannan oligosacharides MOS 10 3gr batch 4 SC 3 5 105 cfu batch and 5 MOS SC was studied when added into inocula taken from high forage and a high concentrate fed sheep Alfalfa hay derid corn silage and ground barley served as fermentation substrates Incubation lasted for 24 hours Additive did not affect ammonia nitrogen NH3 N concentration P 0 05 Supplementation of MON increased P 0 05 the SC decreased P 0 05 and the MOS did not change pH Total gas production increased when SC or MOS was supplemented P 0 05 Results also showed that additive effects on in vitro parameters was differed based on inoculum source and substrate type In the experiment 2 four ruminally fistulated sheep were used in a 4 4 Latin square design to study the effect of supplementation of diet with 1 CON 2 MOS 1 2 gr h d 3 SC 0 2 gr h d and 4 MOS SC Sheep were fed a diet based on 40 60 of alfalfa hay whole grain barley Periods were 18 days with the last 8 d for in situ incubations of barley grain alfalfa hay and mixture of barley grain and alfalfa Incubation run in duplicate for each substrate and each hour Total volatile fatty acids VFA concentration and individual VFA proportions and NH3 N were similar among treatments P 0 05 Sheep fed MOS SC had significantly lower ruminal pH and alfalfa degradability than other treatments Effective degradability of barley grain was also reduced when MOS SC was supplemented Meanwhile total potential pdfMachine is a pdf writer that produces quality PDF files with ease Get yours now Thank you very much I can use Acrobat Distiller or the Acrobat PDFWriter but I consider your product a lot easier to use and much preferable to Adobe s A Sarras USA
استاد راهنما :
غلامرضا قرباني،حميدرضا رحماني
استاد مشاور :
محمد خوروش،نفيسه نيلي
استاد داور :
احمد زارع ،احمد افضل زاده،مسعود عليخاني
