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Daily Weight Gain of Hulun Buir Short Tail Sheep in Response to Greenhouse Precision Feeding after Weaning in Inner Mongolia

断奶后舍饲精喂对内蒙古呼伦贝尔短尾羊日增重的影响



全 文 :!23" !5#
 Vol.23  No.5
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ACTA AGRESTIA SINICA
   2015$  9%
  Sep.  2015
犱狅犻:10.11733/j.issn.10070435.2015.05.030
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:S826    >?@AB:A     >CD=:10070435(2015)05110105
犇犪犻犾狔犠犲犻犵犺狋犌犪犻狀狅犳犎狌犾狌狀犅狌犻狉犛犺狅狉狋犜犪犻犾犛犺犲犲狆犻狀犚犲狊狆狅狀狊犲狋狅犌狉犲犲狀犺狅狌狊犲
犘狉犲犮犻狊犻狅狀犉犲犲犱犻狀犵犪犳狋犲狉犠犲犪狀犻狀犵犻狀犐狀狀犲狉犕狅狀犵狅犾犻犪
LIJiangwen1,LIZhiguo1,WANGJing1,LIYuanheng2,HANGuodong1
(1.ColegeofEcologyandEnvironmentScience,InnerMongoliaAgriculturalUniversity,Hohhot,InnerMongolia010019,China;
2.InstituteofGrasslandResearch,ChineseAcademyofAgriculturalSciences,Hohhot,InnerMongolia010010,China)
犃犫狊狋狉犪犮狋:InordertoresearchtheweightchangesofHulunBuirshorttailsheeppreciselyfedingreenhouse
afterweaning,typicalhouseholdswherepasturehadthesimilarvegetationwith400ewesand400lambs
wereselected.Theexperimentwascarriedoutbycooperatingwiththeherdersusingwholeyeartradition
alfreedomgrazingascontrolgroupandgreenhouseprecisionfeedingasexperimentalgroup.Thestudy
showedthatgreenhouseprecisionfeedingsignificantlyaffectedthedailyweightgainoflamb(犘<0.05).
Onaverage,thedailyweightgainofmalelambwas210.8±8.48g·d-1.Meanwhilegreenhouseprecision
feedingtreatmenthadsignificantlydifferenteffectsonthefemalesheepofdifferentagegroups,andthefe
maledailygainofmorethan18monthswassignificantlydifferentcomparedwithothers.Thedailyweight
gainoffemalesheeppreciselyfedingreenhousehadsignificantdifferenceamongdifferentagegroups.The
femalesheep(<12months)hadthelargestdailyweightgain,upto126.26±5.23g·d-1.Therefore,
greenhousefeedingafterweaningplaysanimportantroleinpromotingtheproductivityofsheep.
犓犲狔狑狅狉犱狊:Greenhouseprecisionfeeding;Lamb;Dailyweightgain;HulunBuirshorttailsheep
EFGH
:20140901;IJGH:20150111
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(1987),¸ ,>3šÝ»,ƽ˜™:,¾D¿ÀNñ:X+˜™,Email:jiangwen0105@163.com;ÇÈÅÆ
Authorforcorrespondence,Email:nmghanguodong@163.com
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Table1 Themainnutrientcontentsofsummerpastureandconcentrate %
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Sample
sgòó
PI
ADF
+gòó
PI
NDF
r
Phosphorus
Ú
Potassium
Ù
Calcium
Ü
Magnesium
›<5
Digestibility

Totalcarbon

Totalnitrogen
ÞîN–
Summer
pasture
28.88 46.02 0.11 1.20 0.95 0.19 43 1.44 38.93
´ó‘
Concentrate
8.89 38.53 1.214 1.39 1.285 0.643 50 3.52 41.32
  ò(Note):ADF:aciddetergentfiber,NDF:neutraldetergentfiber
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Table2 DailyweightgainofHulunBuirshorttailfemalesheepwithdifferentagegroupsatdifferenttreatments
g·d-1
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Treatment
<12%Ö
<12Months
12~18%Ö
12~18Months
18~24%Ö
18~24Months
24~36%Ö
24~36Months
28~48%Ö
28~48Months
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Average
UVY
Demofarm
126.26±5.23aA 104.11±7.14aB 83.85±6.44aC 77.89±13.50aCD 70.49±6.27aD 92.52±6.33a
K}Y
Controlfarm
123.67±11.65aA 86.65±5.84aB 58.38±18.34bB 61.54±13.82bB 57.59±10.98bB 77.56±7.80b
  ò:XÄWXwéBCPóWX^X“BDo—r(犘<0.05);XiWX*éBCPóWX%֓BDo—r(犘<0.05)
Note:Differentlettersinthesamecolumnmeansignificantdifferenceamongdifferenttreatmentsatthe0.05level,differentlettersinthe
samelinemeansignificantdifferenceamongdifferentagegroupsatthe0.05level
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Fig.1 Dailyweightgainoffemaleandmalelamb
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Note:Differentlettersmeansignificantdifferenceatthe0.05level
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