Effects of xylanase and phytase on digestion site of low-density diets fed to weaned pigs

T N Nortey; A Owusu-Asiedu; R T Zijlstra

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Effects of xylanase and phytase on digestion site of low-density diets fed to weaned pigs

机译：木聚糖酶和植酸酶对断奶仔猪低密度日粮消化部位的影响

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Theeffectsofxylanaseandphytasesupplementationonenergydigestibility,siteofnutrientdigestion,andpHcontentinthegastrointestinaltract(GIT)andongrowthperformancewerestudiedindietswithreducednutrientspecificationsfedtoweanedpigs.Theexperimentwasdesignedasa2x2factorialplusapositivecontroldietcontaining14.65MJdigestibleenergy(DE)/kg,0.65%totalphosphorous(P),and0.80%calcium(Ca).PhosphorousandCacontentswerereducedby10%andtheDEcontentby0.62MJ/kgintheother4diets.Weanedpigs(8.6±0.5kginitialbodyweight)werefed1of5dietsfor21d.Feedinganutrientreduceddietloweredtotaltractenergydigestibility.XylanaseandphytaseimprovedthetotaltractDEcontentofthenegativecontroldiet(NC).XylanaseimprovedenergydigestibilityofNCinthemidjejunumandoverthetotaltractby63.0and4.6%respectively.PhytaseimprovedtheDEcontentofNCby0.64MJ/kg.FeedinganutrientreduceddiettendedtoreducethepHcontentoftheuppersmallintestine(SI),andphytaseraisedthepHcontentoftheuppermidSI.Overallphytaseimprovedbodyweight(BW)andtheaveragedailygain(ADG)ofNC.XylanaseandphytaseimprovedtotaltractDEcontentandgrowthperformanceofweanedpigsfednutrientreduceddiets.PhytaseinclusionledtoafasterreturntoalkalineconditionsintheupperSI.Exogenousenzymescanbeusedtoimprovedigestibilityofnutrient-reduceddietsbasedonwheatandmillrunforweanedpigs.

机译：Theeffectsofxylanaseandphytasesupplementationonenergydigestibility，siteofnutrientdigestion，andpHcontentinthegastrointestinaltract（GIT）andongrowthperformancewerestudiedindietswithreducednutrientspecificationsfedtoweanedpigs.Theexperimentwasdesignedasa2x2factorialplusapositivecontroldietcontaining14.65MJdigestibleenergy（DE）/kg,0.65%totalphosphorous（P），and0.80％钙（Ca）.PhosphorousandCacontentswerereducedby10％andtheDEcontentby0.62MJ / kgintheother4diets.Weanedpigs（8.6±0.5kginitialbodyweight） werefed1of5dietsfor21d.Feedinganutrientreduceddietloweredtotaltractenergydigestibility.XylanaseandphytaseimprovedthetotaltractDEcontentofthenegativecontroldiet（NC）.XylanaseimprovedenergydigestibilityofNCinthemidjejunumandoverthetotaltractby63.0and4.6％respectively.PhytaseimprovedtheDEcontentofNCby0.64MJ / kg.FeedinganutrientreduceddiettendedtoreducethepHcontentoftheuppersmallintestine（SI），andphytaseraisedthepHcontentoftheuppermidSI.Overallphytaseimprovedbodyweight（BW）andtheaveragedailygain（ADG）ofNC.Xylana降低植酸酶的总含量，降低饲喂低营养素饮食的日粮消化能力。将磷酸酶包合到更快的碱性条件下，可提高SI。外源酶的可消化性，从而提高了小麦和低脂饮食养分的消化率。

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《Livestock research for rural development》 |2015年第7期|共页
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T N Nortey; A Owusu-Asiedu; R T Zijlstra;
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2. Effects of xylanase on growth performance and digestibility of fiber and energy in growing pigs fed corn, corn DDGS and soybean meal based diet supplemented with phytase. [J] . Yang X., Walsh M. C., Kiarie E., Journal of Animal Science . 2016,第Suppla2期

机译：木聚糖酶对生长猪生长纤维和能量生长性能和消化率的影响玉米，玉米DDGS和植物植物饮食。
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4. Increased growth performance in weaned pigs fed a diet supplemented withgraded amounts of two phytases [C] . P. Guggenbuhl, E. Perez Calvo, F. Fru Biennial Conference of the Australasian Pig Science Association . 2015

机译：随后猪的增长性能提高了补充饮食的两种植酸酶的饮食
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机译：饲喂植酸酶和木聚糖酶补充小麦为主的日粮的生长猪和肉鸡的营养消化率和性能反应。
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机译：外源植酸酶和木聚糖酶（单独或组合使用）和制粒对养分消化小麦可利用能量含量以及以小麦为基础饲喂日粮的生长猪的生长性能的影响
7. Effects of exogenous phytase and xylanase, individually or in combination, and pelleting on nutrient digestibility, available energy content of wheat and performance of growing pigs fed wheat-based diets [O] . Y. Y. Yang, Y. F. Fan, Y. H. Cao, 2017

机译：外源植酸酶和木聚糖酶单独或组合，造粒对小麦营养物质消化率，有效能量含量和生长猪饲喂小麦日粮的影响

Effects of xylanase and phytase on digestion site of low-density diets fed to weaned pigs

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