1、以优化瘤胃健康来提高以优化瘤胃健康来提高奶牛营养效率奶牛营养效率Enhancing Nutritional Efficiency inDairy Cattle through Improved Rumen Health Ilkyu Yoon,Ph.D.尹日奎尹日奎 博士博士Diamond V 美美国国达农威公司达农威公司October,2019中国奶业进展中国奶业进展 China Dairy IndustryDairy populationMilk yieldDr.J.X.Liu,2019 刘建新教授刘建新教授,2019 奶牛头数奶牛头数奶产量奶产量奶牛头数奶牛头数 (百万头百万头)产奶量产奶
2、量 (百万公吨百万公吨)高质量粗饲料短缺高质量粗饲料短缺Short of Good Quality Forages Demand 需求需求 650 x 106 MT(6亿亿5千万吨千万吨)Supply 供应供应420 x 106 MT(4亿亿2千万吨千万吨)Deficit 短缺短缺230 x 106 MT(2亿亿3千万吨千万吨)China Ministry of Agriculture(2008)中国农业部中国农业部 (2019)Dr.J.X.Liu,2019 刘建新教授刘建新教授,2019 10%/Yr10%/年年饲料效率变得越发重要饲料效率变得越发重要Feed Efficiency Bec
3、omes More Important需求增加需求增加&竞争竞争Increased Demand&Competition提高饲料效率提高饲料效率Improved Feed Efficiency饲料成本增加饲料成本增加Increased Feed Cost提高成本效率提高成本效率Improved Cost Effectiveness饲料资源有限饲料资源有限Limited Feed Resources健康的瘤胃健康的瘤胃=效率最佳化效率最佳化Healthy Rumen=Maximum Efficiency瘤胃的健康总是受到挑战瘤胃的健康总是受到挑战 Rumen Health Is Under Ch
4、allengeRumen Rumen EfficiencyEfficiency粗饲料品质粗饲料品质淀粉发酵率淀粉发酵率TMRTMR混合不精确混合不精确饲料运送时间饲料运送时间不一致不一致饲槽空间不足饲槽空间不足挑食精料挑食精料热应激热应激日粮原料变异日粮原料变异提高瘤胃功能的独特技术提高瘤胃功能的独特技术：A Unique Technology That Enhances The Rumen Function:达农威益康达农威益康XP酵母培养物酵母培养物Diamond V Yeast CulturewThe PROCESS,perfected and improved over 69 year
5、s to ensure consistency and continuity in all our products 过程过程:超过超过6969年的完美与改善来保障年的完美与改善来保障产品的一致性与连续性产品的一致性与连续性wThe FORMULATIONS that produce the unique blend of metabolites that cannot be matched or duplicated 配方配方:生产出无可匹配且无法复制的生产出无可匹配且无法复制的、独特的代谢物组成独特的代谢物组成wThe TECHNOLOGY that continues to harnes
6、s the benefits of fermentation in emerging ways,to deliver the most innovative solutions for our customers 发酵工艺发酵工艺:持持续利用新兴工艺技术所续利用新兴工艺技术所得到的发酵好处，来为我们的客户得到的发酵好处，来为我们的客户提供最具创新性的解决方案提供最具创新性的解决方案达农威微生物发酵工艺达农威微生物发酵工艺Diamond V Microbial Fermentation酵母扩繁系统酵母扩繁系统酵母膏酵母膏液态扩繁培养基原料液态扩繁培养基原料液态发酵液态发酵干燥谷物原料干燥谷物原料
7、发酵培养液发酵培养液干混合压出物干混合压出物挤压处理挤压处理干混合压出物干混合压出物混合混合干混合压出物干混合压出物固态发酵固态发酵发酵后干混合发酵后干混合压出物干燥压出物干燥粉碎粉碎完成的产品完成的产品发酵使结果不同发酵使结果不同 Fermentation makes the differenceFermentationFermentation发酵发酵发酵发酵2000X magnification达农威酵母培养物达农威酵母培养物Diamond V Yeast Culture sigmaaldrichProteinLysinePeptidesAEBLeucineNucleicAcidsProt
8、einatesIntracellular ComponentsExtracellular MetabolitesOrganicAcidsOligosaccharidesPeptidesNucleotidesPolyphenolsProtein细胞外代谢产物细胞外代谢产物小肽小肽蛋白质蛋白质核苷核苷寡糖寡糖芳香化合物芳香化合物有机酸有机酸细胞内容物细胞内容物蛋白酶蛋白酶核酸核酸蛋白质蛋白质铜铜钙钙赖氨酸赖氨酸亮氨酸亮氨酸锌锌维生素维生素A A维生素维生素B B维生素维生素E E小肽小肽酵母酵母细胞壁细胞壁达农威益康达农威益康XP能优化瘤胃功能性能优化瘤胃功能性微生物的生长与平衡微生物的生长与平衡
9、：Diamond V Yeast Culture maximizes the growth of functional rumen microbes and optimizes their balance:维持瘤胃功能的关键者维持瘤胃功能的关键者 The Key Players of Rumen Function瘤胃三种主要的微生物瘤胃三种主要的微生物Three Major Rumen MicroorganismsCourtesy of Agriculture and Agri-Food Canada正在作用中的瘤胃微生物正在作用中的瘤胃微生物Rumen Microorganisms in A
10、ction7.812.319.625.5051015202530Billion CFU/mlKentuckyUtah StateControlDiamond V XPHarrison et al.1988.J.Dairy Sci.71:2967-2975.Wiedmeier et al.1987.J.Dairy Sci.70:2063-2068.+30%+58%达农威益康达农威益康XP增加瘤胃细菌总数增加瘤胃细菌总数XP Increases Total Rumen Bacteria每每毫毫升升十十亿亿个个菌菌落落形形成成单单位位肯塔基大学肯塔基大学尤他州大尤他州大对照组对照组达农威益康达农威益
11、康66*120*00.020.040.060.080.100.120.140.16Billion CFU/mlKentuckyControlDiamond V XP2.5*4.0*0.01.02.03.04.05.06.0Billion CFU/mlUtah StateControlDiamond V XPHarrison et al.1988.J.Dairy Sci.71:2967-2975.Wiedmeier et al.1987.J.Dairy Sci.70:2063-2068.+59%*P 0.05+82%*P 0.05达农威益康达农威益康XP增加纤维分解菌的数量增加纤维分解菌的数量X
12、P Increases Fiber-digesting Bacteria肯塔基大学肯塔基大学尤他州大尤他州大对照组对照组对照组对照组达农威益康达农威益康达农威益康达农威益康每每毫毫升升十十亿亿个个菌菌落落形形成成单单位位每每毫毫升升十十亿亿个个菌菌落落形形成成单单位位0.200.230.300.10*0.14*0.17*0.10*0.29*0.43*0.03*0.10*0.30*0.00.10.20.30.40.5HD4H18B159T81OD,600nmControl1%XP Filtrate5%XP FiltrateCallaway and Martin.2019.J.Dairy Sci.
13、80:2035-2044.Selenomonas ruminantiumMegasphaera elsdenii*P 0.0524 Hour Turbidity达农威益康达农威益康XP增加乳酸利用菌的数量增加乳酸利用菌的数量XP Increases Lactate-utilizing Bacteria反刍月形单胞菌反刍月形单胞菌埃及巨球形菌埃及巨球形菌光学密度光学密度24小时培养液混浊度小时培养液混浊度对照组1%益康XP滤液5%益康XP滤液Mao et al.2019.Submitted.0.722.42*0.951.44*1.761.550.972.29*0.00.51.01.52.02.5
14、3.0Rice strawCorn stoverCorn silagewithout grainCorn silage withgrainControl1 g/L XP*P 0.05达农威益康达农威益康XP增加瘤胃真菌数量增加瘤胃真菌数量XP Increases Rumen Fungi稻草稻草 玉米秸秆玉米秸秆不带棒玉米青贮不带棒玉米青贮带棒玉米青贮带棒玉米青贮对照组对照组每升每升1 1克益康克益康XPXPGenusControl 对照组对照组XP 益康组益康组Entodinium*EpidiniumDiplodiniumEremoplastromEudiplodiniumOstracodin
15、iumDiploplastromMetadiniumEnoploplastromElytroplastromIsotrichaDasytricha*Unidentified87.72.1-0.21.02.20.81.2-1.10.62.70.469.61.8-0.41.24.32.10.80.20.63.215.50.3肉牛瘤胃中原生虫族群分布百分比肉牛瘤胃中原生虫族群分布百分比Percent generic distribution of rumen protozoa in steers Arakaki et al.,2000.Anim.Feed Sci.&Technol.84:121-12
16、7533%574%*P 0.05-21%达农威益康达农威益康XP平衡瘤胃原生虫族群平衡瘤胃原生虫族群 Balances Rumen Protozoal PopulationIncreases microbial protein synthesisImproves oxygen scavenging-15%内毛虫属内毛虫属等毛等毛纤毛虫纤毛虫属属多毛属多毛属前前毛属毛属改进改进氧气氧气清除清除增加增加微生物微生物蛋白蛋白合成合成达农威益康达农威益康XP能优化瘤胃环境能优化瘤胃环境：Diamond V Yeast Culture Optimizes Rumen Environment:-Stabi
17、lizes the rumen pH 稳定瘤胃酸碱值稳定瘤胃酸碱值-Enhances oxygen scavenging 增加增加瘤胃氧气清除瘤胃氧气清除提高瘤胃效率提高瘤胃效率Improves Rumen Efficiency 消化淀粉的微生物消化淀粉的微生物消化纤维的微生物消化纤维的微生物瘤胃酸碱值与细菌族群瘤胃酸碱值与细菌族群Rumen pH and Bacterial Population瘤胃酸碱值瘤胃酸碱值达农威益康达农威益康XP维持较高的瘤胃酸碱值维持较高的瘤胃酸碱值XP Maintained Higher pH5.47a5.81b5.57a5.87bc5.75b6.01c5.05
18、.25.45.65.86.06.20.2 g0.3 g0.4 gControlXPStarch levelpH瘤胃酸碱值瘤胃酸碱值淀粉添加量淀粉添加量Diamond V,2019对照组益康XP达农威益康达农威益康XP能优化瘤胃环境能优化瘤胃环境：Diamond V Yeast Culture Optimizes Rumen Environment:-Stabilizes the rumen pH稳定瘤胃酸碱值稳定瘤胃酸碱值-Enhances oxygen scavenging增加增加瘤胃氧气清除瘤胃氧气清除 提高瘤胃效率提高瘤胃效率Improves Rumen Efficiency瘤胃中的氧气
19、清道夫瘤胃中的氧气清道夫Oxygen Scavengers in The Rumenw Oxygen scavenging is an important aspect of some rumen bacteria and protozoa 氧气的清除氧气的清除，对某些瘤胃细菌与原生虫而言是很对某些瘤胃细菌与原生虫而言是很重要的重要的工作工作w Oxygen scavenging ruminal facultative anaerobic bacteria 具清除氧气功能之兼性厌氧细菌具清除氧气功能之兼性厌氧细菌 Streptococcus bovis 牛链球菌牛链球菌 Lactobacill
20、us acidophilus 嗜酸乳杆菌嗜酸乳杆菌 Propionibacterium acnes 痤疮丙酸杆菌痤疮丙酸杆菌w Oxygen scavenging protozoa 具氧气清除功能之原生虫具氧气清除功能之原生虫 Isotricha spp.等毛等毛(纤毛纤毛)属属 Dasytricha spp.多毛属多毛属 GenusControl 对照组对照组XP 益康组益康组Entodinium*EpidiniumDiplodiniumEremoplastromEudiplodiniumOstracodiniumDiploplastromMetadiniumEnoploplastromEl
21、ytroplastromIsotrichaDasytricha*Unidentified87.72.1-0.21.02.20.81.2-1.10.62.70.469.61.8-0.41.24.32.10.80.20.63.215.50.3肉牛瘤胃中原生虫族群分布百分比肉牛瘤胃中原生虫族群分布百分比Percent generic distribution of rumen protozoa in steers Arakaki et al.,2000.Anim.Feed Sci.&Technol.84:121-127533%574%*P 0.05达农威益康达农威益康XP平衡瘤胃原生虫族群平衡瘤胃原
22、生虫族群Balances Rumen Protozoal PopulationImproves oxygen scavenging等毛等毛纤毛虫纤毛虫属属多毛属多毛属改进改进氧气氧气清除清除达农威益康达农威益康XP能改善瘤胃与消化道能改善瘤胃与消化道消化率消化率：Diamond V Yeast Culture improves ruminal and total tract digestion:提高瘤胃效率提高瘤胃效率Improves Feed Efficiency57.1*59.3*32.4*35.8*28.5*31.9*37.6*41.1*010203040506070%Digestibi
23、lityDMNDFADFHemicelluloseControlXP51.252.953.253.255.355.250515253545556%DigestibilityBermudagrass hayAlfalfa hayControl0.35 g/L XP0.73 g/L XPSullivan and Martin.2019.J.Dairy Sci.82:2019-2019.Yoon and Garrett.2019.World Anim.Prod.Vol 1:322-323.*P 0.05益康益康XPXP提高瘤胃粗饲料消化率提高瘤胃粗饲料消化率XP Increases Ruminal
24、Forage DigestibilityCorn silage digestionAlfalfa and grass hay digestion玉米青贮的消化玉米青贮的消化苜蓿及禾草的消化苜蓿及禾草的消化百慕达干草百慕达干草苜蓿干草苜蓿干草干物质干物质 中洗纤维中洗纤维 酸洗纤维酸洗纤维半纤维半纤维消化率消化率消化率消化率益康XP对照组对照组每升0.35克XP每升0.73克XP61471313746001020304050607080Recovered Kernels,%WholePartial TotalControlXPYoon et al.2019.J.Anim.Sci.77(Suppl
25、.1):82.益康益康XP增加全肠道精料消化率增加全肠道精料消化率XP Increases Concentrate Digestibility未未消消化化玉玉米米的的比比例例整粒玉米整粒玉米部分玉米部分玉米总计总计益康XP对照组达农威益康达农威益康XPXP提高能量和蛋白的供应提高能量和蛋白的供应：Diamond V Yeast Culture increases energy and protein supply:提高生产效率提高生产效率Improves Production Efficiency212 212200759313737039842605010015020025030035040
26、0450VFA,mM/dAcetatePropionateTotal VFAControlA-MaxXP益康益康XP增加能量增加能量(挥发性脂肪酸挥发性脂肪酸)的供给的供给XP Increases Energy(VFA)Supply Miller-Webster et al.,2019.J.Dairy Sci.85:2009-2019+83%P 0.01+15%P 0.04每每日日挥挥发发性性脂脂肪肪酸酸產產量量乙酸乙酸 丙酸丙酸总挥发性脂肪酸总挥发性脂肪酸对照组对照组麦可食麦可食益康益康益康益康XP增加瘤胃微生物蛋白至小肠的供给增加瘤胃微生物蛋白至小肠的供给Increases Microbi
27、al Protein Supply Reference1 微生物蛋白合成微生物蛋白合成（克（克/天）天）Microbial Protein Synthesis(g/d)增加量（克增加量（克/天）天）Difference(g/d)增加百分比增加百分比Improvement(%)Hristov et al.(2019)Control XP2081a2275b1949.3Allen and Ying(2019)Control XP22632344813.61 Hristov et al.,2019.J.Dairy Sci.93:682-692;Allen and Ying,2019.J.Dairy
28、Sci.95:(In press)a,bP 0.1达农威益康达农威益康XP酵母培养物的作用机理酵母培养物的作用机理How Diamond V Yeast Culture Works?wStimulates the growth of critical functional rumen microorganisms and optimizes their balance 增加瘤胃重要功能性微生物的增长与平衡增加瘤胃重要功能性微生物的增长与平衡wStabilizes the rumen environment 稳定瘤胃的环境稳定瘤胃的环境Reduces lactate accumulation 降
29、低乳酸在瘤胃的堆积Increases propionate to lactate ratio 提高瘤胃丙酸对乳酸的比例Maintains higher rumen pH 保持较高的瘤胃酸碱值Increases number of oxygen scavenging rumen microorganisms 增加瘤胃内能清除氧气的微生物wImproves ruminal and total tract digestion 增进瘤胃及全肠道消化增进瘤胃及全肠道消化wIncreases energy and protein availability 增加能量及蛋白可利用率增加能量及蛋白可利用率Inc
30、reases ruminal VFA production(i.e.propionate)增加瘤胃挥发性脂肪酸的产生（特别是丙酸）Increases microbial protein supply to the small intestine 增加瘤胃微生物蛋白至小肠的供给使用达农威益康使用达农威益康XP的应用意义的应用意义Practical Implication of Using Diamond V Yeast CultureForage粗飼料粗飼料Treatment实验组别实验组别Acetate乙酸乙酸Propionate丙酸丙酸Total VFA总挥发性脂肪总挥发性脂肪酸酸Rice
31、strawControl 9.64.014.9稻草稻草XP13.05.319.6Corn stoverControl14.13.718.7玉米秸秆玉米秸秆XP17.35.224.0Corn silage without grainControl13.85.721.1不带棒玉米青贮不带棒玉米青贮XP17.87.827.8Corn silage with grainControl16.46.123.7带棒玉米青贮带棒玉米青贮XP20.78.631.3低质量粗饲料的体外发酵低质量粗饲料的体外发酵Fermentation*of Low Quality Forages*24 hr fermentatio
32、n and XP at 1 g/L(24小时发酵，益康XP添加量每升1克)BOLD indicates significant differences at P 0.05(加粗字体加粗字体显示统计上有显著差异)Mao et al.,2019中国奶牛的产能表现中国奶牛的产能表现Performance of Dairy Cows in China7%increase饲料效率提高饲料效率提高7%Zhang et al.,2019中国奶牛的产能表现中国奶牛的产能表现Performance of Dairy Cows in China9%increase饲料效率提高饲料效率提高9%Zhang et al
33、.,2019奶牛研究总结奶牛研究总结 Research Summary荟萃分析荟萃分析 Meta-analysisPoppy et al.,2019.J.Dairy Sci.95:(In press)奶牛研究总结奶牛研究总结 Research Summary荟萃分析荟萃分析 Meta-analysisPoppy et al.,2019.J.Dairy Sci.95:(In press)奶牛研究总结奶牛研究总结 Research Summary荟萃分析荟萃分析 Meta-analysisPoppy et al.,2019.J.Dairy Sci.95:(In press)益康益康XP降低降低瘤胃
34、酸中毒对瘤胃健康及瘤胃酸中毒对瘤胃健康及生产性能的影响生产性能的影响XP Reduces Negative Impact of AcidosisAcidosis problems 瘤胃酸中毒瘤胃酸中毒w lactate producers 生产乳酸的微生物增加w rumen pH 瘤胃酸碱值降低w ruminal LPS 瘤胃脂多糖类增加w feed efficiency 饲料效率降低w milk fat content 乳脂率降低w milk production 产奶量降低Diamond V solutions 达农威的解决方案达农威的解决方案w lactate utilizers 利用乳
35、酸的微生物增加w rumen pH 瘤胃酸碱值提高w ruminal LPS 瘤胃脂多糖类降低w feed efficiency 饲料效率提高w milk fat content 乳脂率增加w milk production 产奶量增加益康益康XP维持了较高的乳脂百分比维持了较高的乳脂百分比XP Maintains Higher Milk Fat ConcentrationLonguski et al.,2009.J.Dairy Sci.92:160-167正常状况下正常状况下日粮发酵淀粉日粮发酵淀粉挑战挑战乳脂百分比乳脂百分比对照组对照组益康益康XP受日粮含高可发酵碳水化合物的挑战受日粮含高
36、可发酵碳水化合物的挑战 Dietary Challenge:Fermentable carbohydrateLonguski et al.,2009.J Dairy Sci.92:160-167.3.5%FCM38404244No challengeChallengeControlXP3.5乳乳脂脂校校正正奶奶量量公斤公斤对照组对照组 益康组益康组非挑战日粮非挑战日粮 挑战日粮挑战日粮 益康益康XPC减少瘤胃内毒素的产生减少瘤胃内毒素的产生Reduces Ruminal Endotoxin ProductionRuminal LPS(x 1000 EU/mL)02040608010012014
37、0NormalSARAControlXPCLi et al.,2012.J.Dairy Sci.95(Suppl.1)P=0.13正常状况下正常状况下瘤胃亚急性酸中毒瘤胃亚急性酸中毒瘤胃脂多醣类浓度瘤胃脂多醣类浓度对照组对照组 益康组益康组益康益康XP可可缓和热应激所造成的负面影缓和热应激所造成的负面影响响XP Alleviates Impact of Heat StressHeat stress problems热应激的影响热应激的影响w rumen microbes 瘤胃微生物减少w rumen pH 瘤胃酸碱值降低w feed efficiency 饲料效率降低w glucose dem
38、and 牛只葡萄糖需求增加Diamond V solutions 达农威的解决方案达农威的解决方案w rumen microbes 瘤胃微生物增加w rumen pH 瘤胃酸碱值提高w feed efficiency 饲料效率提高w ruminal propionate 瘤胃丙酸生成增加9 Heat Stress Trials 9个热应激试验个热应激试验Milk Production,kg/d环境挑战环境挑战 Environmental Challenge 热应激热应激 Heat stress26.627.629.931.428.729.728.530.033.835.036.937.619.
39、622.734.434.939.742.015202530354045Harris&Lobo,1988Harris&Webb,1990Braun,1993Nagy et al.,2019NC Farm Trial,2019Fazenda&Soares,2019Alshaikh et al.,2019Schingoetheet al.,2019Cooke et al.,2019ControlXP对照组对照组益康益康XPXP组组产奶量产奶量 (公斤公斤/每天每天)Robinson et al.,JAS.,2019益康益康XP增加产奶早期牛只的干物质采食量增加产奶早期牛只的干物质采食量XP Incr
40、eases DMI in Early Lactation产犊前后天数产犊前后天数每每日日干干物物质质采采食食量量的的公公斤斤数数-0.55-0.34-0.50-0.12-0.52-0.39-0.59-0.35-0.29-0.14-0.7-0.6-0.5-0.4-0.3-0.2-0.10.0Body Weight Change,kg/d1First Calf Heifers1Mature Cows2Mature Cows3Mixed Cows4Mixed CowsControlYeast Culture益康益康XP减少牛只在产奶早期的体脂动减少牛只在产奶早期的体脂动用用 XP Reduces T
41、issue Mobilization Post-calving1Robinson and Garrett.2019.JAS.77:988-999;2Dann et al.,2000.JDS.83:123-127;3Erasmus et al.,2019.AFST.122:219-239;4Robinson.2019.JDS.80:1119-1125平均每日减少下降平均每日减少下降 0.22公斤公斤Average daily saving of 0.22 kg/d头胎牛头胎牛 经产牛经产牛 经产牛经产牛 头胎牛头胎牛+经产牛经产牛 头胎牛头胎牛+经产经产牛牛每日体重改变公斤数每日体重改变公斤数对
42、照组对照组益康益康XPXP组组益康益康XP增加奶牛日粮能量浓度增加奶牛日粮能量浓度 XP Increases Energy Density of Dairy RationsItemParity 胎次胎次Control 对照对照Diamond V 益康益康Robinson,2019 Robinson and Garrett,2019Dann et al.,2000Erasmus et al.,2019MultiparousPrimiparousMultiparousMixed parityMultiparous1.841.641.721.361.531.901.651.821.491.68Ave
43、rage 平均平均日粮能量浓度日粮能量浓度Difference(Mcal/kg DM)每公斤日粮干物质增加能量每公斤日粮干物质增加能量Difference(Mcal/d 23 kg DMI)2323公斤日粮干物质增加能量公斤日粮干物质增加能量1.621.710.092.07*Improved energy density of diets in early lactation cows(5.5%)!产奶早期日粮能量浓度增加产奶早期日粮能量浓度增加5.5兆卡兆卡兆卡兆卡头胎牛头胎牛+经产牛经产牛 头胎牛头胎牛 经产牛经产牛 经产牛经产牛 经产牛经产牛 兆卡兆卡Schingoethe et al.
44、,2019.J.Dairy Sci.87:4178-4181益康益康XP提高饲料效率提高饲料效率XP Improves Feed Efficiency南达科他州立大学研究,益康增加饲料效率8%South Dakota State University 8%improvement with XPItemControl对照组对照组XP益康益康DMI,kg/d 干物质采食量干物质采食量23.122.1Milk,kg/d 产奶量产奶量34.935.44%FCM,kg/d 4%4%乳脂校正奶乳脂校正奶31.232.0Feed efficiency 饲料效率饲料效率1.38a1.49ba,b P 0.05
45、Research Sources研究来源研究来源Control对照组对照组XP益康益康Hippen et al.,20191.561.66Allen et al.,20191.481.55Cooke et al.,20191.511.64Schingoethe et al.,20191.471.58Alshaikh et al.,20190.801.07Average(+10%)平均平均(增加增加10%)1.361.50饲料效率饲料效率=3.5%乳脂校正乳乳脂校正乳干物质采食量干物质采食量 Feed Efficiency=3.5%FCM/DMI益康益康XP提高提高产奶中期牛只饲料效率产奶中期牛
46、只饲料效率Feed Efficiency in Mid-lactation Cows以益康来管理风险与最大化产奶潜能以益康来管理风险与最大化产奶潜能Manage Risks and Maximize Production Efficiency with XP Rumen Efficiency降低瘤胃过酸的降低瘤胃过酸的负面影响负面影响增加使用低质量增加使用低质量粗饲料粗饲料减少使用高价格减少使用高价格饲料来降低成本饲料来降低成本饲料效率饲料效率最大化最大化负能量平衡负能量平衡最小化最小化减轻热应激带来减轻热应激带来的负面影响的负面影响对日粮变异有对日粮变异有更佳的抵抗力更佳的抵抗力瘤胃功能优化
47、瘤胃功能优化总结总结 Summaryw Sub-optimal rumen function limits production potential of dairy cattle.次优化的瘤胃功能限制了牛只产奶次优化的瘤胃功能限制了牛只产奶潜能潜能w Dietary modification with scientifically proven feed supplement such as Diamond V Yeast Culture can help improve the rumen health and productivity of dairy cattle and maximi
48、ze the profitability.以经科研证实的饲料以经科研证实的饲料添加剂添加剂，如达农威如达农威益康益康XP酵母培养物酵母培养物，来改来改善日粮质量善日粮质量，可以帮助改善瘤胃功能、提高可以帮助改善瘤胃功能、提高奶牛产能、与加大奶牛产能、与加大產業產業盈利能力盈利能力不推荐活酵母的原因不推荐活酵母的原因 Why Not Live Yeast?因为活酵母因为活酵母Because live yeast w 在储存期间不能维持活性在储存期间不能维持活性 Is unable to maintain viability during storage w 对热处理敏感对热处理敏感(例如制粒例如
49、制粒)Is sensitive to heat treatment(i.e.pelleting)w 在预混料中丧失活性迅速在预混料中丧失活性迅速 Lose viability fast in premixesw 在瘤胃中丧失活性迅速在瘤胃中丧失活性迅速 Lose viability quickly in the rumen 产品稳定性差异大产品稳定性差异大 无法无法预期一致性的产品效益预期一致性的产品效益！Variable product stability.cant expect consistent product benefits!77%loss 损失损失维持活性干酵母菌的活性维持活性干
50、酵母菌的活性Maintaining ADY Viability 高温高温 （35C）室温室温 （21C）冷藏冷藏 （7C）周数周数Diamond V制粒会杀死活性干酵母制粒会杀死活性干酵母Pelleting Kills ADYEffect of pelleting on yeast viability in feeds 制粒对日粮中活性干酵母的影响制粒对日粮中活性干酵母的影响Yeast Viability(cfu/g)TestBeforePelletingAfterPelletingLossA7.8 x1048.7 x10199.9%B8.6 x1043.6 x10395.8%C3.4 x10
