全 文 :!23" !5#
Vol.23 No.5
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ACTA AGRESTIA SINICA
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Sep. 2015
犱狅犻:10.11733/j.issn.10070435.2015.05.023
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犜犺犲犈犳犳犲犮狋狊狅犳犞犪狉犻犲狋犻犲狊,犃犱犱犻狋犻狏犲狊犪狀犱犎犪狉狏犲狊狋犘犲狉犻狅犱狊狅狀犃犾犳犪犾犳犪犛犻犾犪犵犲
ZHAOYanmei1,ZHANGJiming1,XUQingfang1,ZHONGHua1,
WANGYongxin1,ZHUHuisen1,YUZhu2
(1.ColegeofAnimalScienceandVeterinaryMedicine,ShanxiAgriculturalUniversity,Taigu,ShanxiProvince030801,China;
2.ColegeofAnimalScienceandTechnology,ChinaAgriculturalUniversity,Beijing100193,China)
犃犫狊狋狉犪犮狋:Theeffectsofvarieties,sucroseorpreviousfermentedjuice,andharvestperiodsonthequality
ofalfalfasilagewerestudied.The11alfalfavarietieswith7harvestperiodswereplacedinsealedvacuum
plasticbagsaddingsucrose(2%)orpreviousfermentedjuice(0.2%)andensiledfor120days.Results
showedthatthesilagefermentationqualitiesof11alfalfavarietiesweresignificantlydifferent(犘<0.01).
ThepHvaluesofsilagesweresignificantlylowerintwoadditivetreatmentsincomparisonwithcontrol(犘
<0.01).Thesilageofhighqualitycouldbegotteninthefirstandsecondcutofbuddingperiod,podding
periodandthethirdcutbuddingperiod,especialyinbuddingperiod.Alfalfa‘Algonquin’and‘Arriba’
varietiesinthebuddingstageaddedsucrose(2%)orPFJ(0.2%)producedbetterqualitysilages.
犓犲狔狑狅狉犱狊:Alfalfa;Silage;Varieties;Additives;Harvestperiods
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Table1 Thesilagefermentationaveragequalitiesofdifferentalfalfavarietiesinsevenharvestperiods
GY
Varieties
pH
%Ç
AN/TN/%
wsLA
/%DM
+sAA
/%DM
)sPA
/%DM
ñs
BA/%DM
jk<±
Algonquin
4.95±0.38Bb 9.75±5.45EFef 2.86±1.89Aa 2.12±1.30CDc 0.71±0.89Bbc 0.17±0.17ABCbc
WL324
WL324
4.98±0.31Bb 9.48±7.11GHgh 2.23±1.90BCDbcd 2.15±1.26CDc 0.72±0.73Bbc 0.12±0.12Cc
WL323AY
WL323
5.00±0.32Bb 10.92±6.77Aa 2.57±2.55ABCabc 2.52±1.47BCb 1.31±1.85Aa 0.19±0.23ABCabc
WL232QH
WL232QH
5.10±0.42Aa 10.64±7.53Bb 2.99±2.32Aa 2.49±1.35BCDb 0.61±0.64Bbc 0.19±0.04ABCabc
+<1
ZhongmuNO.1
4.97±0.35Bb 9.62±5.32FGfg 2.05±1.80CDcd 2.09±1.17Dc 0.67±0.79Bbc 0.22±0.36ABab
jgÆ
Arriba
4.98±0.37Bb 10.43±6.11Cc 2.59±1.87ABCabc 2.90±1.50Aa 1.01±1.59ABb 0.10±0.07Cc
ËÃÆ
Forerunner
5.08±0.41Aa 9.88±6.55DEde 2.55±2.22ABCabc 2.48±1.66BCDb 0.89±1.16ABbc 0.19±0.21ABCabc
»&
Hunterriver
4.96±0.42Bb 10.71±6.00Bb 1.88±1.50Dd 2.67±1.69BCDb 0.95±1.28ABbc 0.25±0.30Aa
ò,Q
Alfagraze
4.99±0.35Bb 9.36±5.98Hh 2.13±2.08CDcd 2.51±1.88BCb 0.86±1.17ABbc 0.15±0.16ABCbc
R
Sitel
4.97±0.37Bb 10.03±6.34Dd 2.29±1.94BCDbcd 2.40±1.71BCDb 0.96±1.28ABbc 0.13±0.11BCc
\@
Captain
4.87±0.31Cc 9.77±6.82EFef 2.73±2.03ABCab 2.43±1.29BCDb 0.58±0.72Bc 0.13±0.17BCb
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Table2 Theaveragecontentsofnutrientsinthesilagesofdifferentalfalfavarietieswith7harvestperiods %DM
GY
Varieties
Ü9ù
DM/%
èéê
CP/%DM
+gòóPI
NDF/%DM
sgòóPI
ADF/%DM
KkgÆK<@9
WSC/%DM
è³z
Ash/%DM
jk<±
Algonquin
39.01±8.91Ee 20.54±2.51Aa 45.86±5.94Cc 38.76±4.12Ef 1.70±0.77Jj 11.24±1.24Aa
WL324
WL324
42.23±10.98Bb 19.45±2.47Ff 46.39±6.92Bb 39.65±4.04Cd 1.84±0.84Hh 10.74±1.15CDEcde
WL323AY
WL323
40.64±11.51Cc 19.74±2.77Dd 43.70±3.19Gg 38.94±4.38Ef 2.25±1.68Cc 10.78±1.14CDEcde
WL232QH
WL232QH
39.91±10.40CDcd 18.97±2.77Gg 44.13±6.13Ff 42.01±8.55Aa 2.37±1.72Aa 10.71±1.06DEde
+<1
ZhongmuNO.1
41.79±8.28Bb 19.60±2.54DEe 46.28±4.70Bb 39.73±3.27Cd 1.93±1.11EFef 10.39±1.23Ff
jgÆ
Arriba
39.30±8.18DEde 20.25±2.07BCc 47.21±5.93Aa 39.98±3.40BCbc 1.95±1.25Ee 10.90±1.25BCDbc
ËÃÆ
Forerunner
43.72±14.82Aa 19.51±2.36EFef 45.26±5.47Dd 39.84±4.52BCcd 2.11±1.25Dd 10.65±1.23Ee
»&
Hunterriver
40.64±9.01Cc 19.73±2.65Dd 44.08±4.49Ff 40.12±3.40Bb 1.91±0.93FGf 10.87±1.08BCDbcd
ò,Q
Alfagraze
43.25±11.53Aa 19.71±2.58Dd 44.99±6.24Ee 39.70±4.30Cd 2.31±1.40Bb 10.95±1.30BCb
R
Sitel
43.18±11.90Aa 20.16±2.68Cc 44.85±6.14Ee 39.30±4.46De 1.89±1.30Gg 11.01±1.14Bb
\@
Captain
39.96±8.44CDcd 20.35±2.32Bb 43.74±5.00Gg 39.33±4.40De 1.79±0.96Ii 10.76±1.17CDEcde
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Table3 Averagefermentationqualitiesof11alfalfavarietieswithdifferentadditivesandsevenharvestperiods%DM
^X
Varieties
pH
%Ç
AN/TN/%
ws
LA/%DM
+s
AA/%DM
)s
PA/%DM
ñs
BA/%DM
K}
CK
5.21±0.35Aa 11.08±7.52Aa 1.90±1.65Cc 2.51±1.41Aa 1.04±1.26Aa 0.18±0.22Aa
ux
Sucrose
4.87±0.34Bb 7.94±4.53Bb 2.92±2.14Aa 2.33±1.72Bb 0.72±1.18Bb 0.17±0.25Aa
´Û@ïn
PFJ
4.87±0.35Bb 11.14±6.16Aa 2.51±2.15Bb 2.45±1.35ABa 0.76±1.04Bb 0.15±0.20Aa
ò:´ Û@ïn(PFJ)
Note:previousfermentedjuice(PFJ)
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Table4 Theaveragenutrientcontentsofalfalfasilageswithdifferentadditivesandsevenharvestperiods %DM
^X
Varieties
Ü9ù
DM/%
èéê
CP/%DM
+gòóPI
NDF/%DM
sgòóPI
ADF/%DM
KkgÆK<@9
WSC/%DM
è³z
Ash/%DM
K}
CK
41.14±10.48Bb 19.85±2.74Bb 44.99±5.36Bb 39.86±4.19Bb 1.80±0.86Bb 10.98±1.21Bb
ux
Sucrose
41.80±10.48Aa 19.57±2.31Cc 44.71±6.20Cc 39.38±5.90Cc 2.85±1.59Aa 10.41±1.05Cc
´Û@ïn
PFJ
40.78±10.83Bc 20.04±2.56Aa 45.71±5.26Aa 40.03±3.65Aa 1.36±0.47Cc 11.07±1.21Aa
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Table5 Theaveragefermentationqualitiesofalfalfasilagesbaggedindifferentharvestperiods %DM
ÜÇ#
Harvestperiods
pH
%Ç
AN/TN/%
ws
LA/%DM
+s
AA/%DM
)s
PA/%DM
ñs
BA/%DM
A}#
Budding
4.99±0.25BCbc 10.03±3.23Cc 1.64±1.21De 2.87±1.08Bb 0.69±1.05BCc 0.15±0.24ABbc
!1Í
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o#
Earlyflowering
4.87±0.17Dd 10.97±2.29Bb 1.53±1.51CDe 3.97±1.31Aa 1.00±1.21Bb 0.16±0.21ABabc
lu#
Poddingperiod
4.99±0.25BCbc 6.70±2.32Ee 2.16±1.81Cd 1.65±0.79Cc 0.71±0.84BCc 0.16±0.29ABabc
A}#
Budding
4.97±0.22Cc 6.60±1.90Ee 2.54±1.57Cc 1.66±0.77Cc 0.68±1.00BCc 0.12±0.15Bc
!2Í
Secondcut
o#
Earlyflowering
5.28±0.59Aa 22.23±1.63Aa 0.90±1.60Cc 4.08±1.42Aa 1.62±1.58Aa 0.22±0.15Aa
lu#
Poddingperiod
4.77±0.22Ee 7.67±2.33Dd 4.64±1.05Ef 1.21±0.76Dd 0.60±1.26Cc 0.19±0.24ABab
!3Í
Thirdcut
A}#
Budding
5.02±0.46Bb 6.17±1.49Ff 3.67±2.09Bb 1.58±0.70Cc 0.59±0.69Cc 0.16±0.24ABabc
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Table6 Theaveragenutrientcontentsofalfalfasilagesindifferentharvestperiods %DM
ÜÇ#
Harvestperiods
Ü9ù
DM/%
èéê
CP/%DM
+gòóPI
NDF/%DM
sgòóPI
ADF/%DM
KkgÆK<@9
WSC/%DM
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Ash/%DM
A}#
Budding
30.99±1.92Ee 24.48±1.39Aa 37.39±3.86Gg 32.87±2.59Ee 1.53±0.49Ee 12.37±0.80Aa
!1Í
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o#
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39.98±2.70Dd 19.93±1.20Cd 41.86±3.34Ff 38.14±2.16Dd 1.76±0.75Dd 11.23±0.66Bc
lu#
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50.02±7.51Aa 16.86±1.26Fg 47.16±4.46Cc 44.31±6.11Aa 2.44±1.48Bb 10.04±0.57Cd
A}#
Budding
46.29±6.07Cc 20.13±1.00Bb 46.10±4.31Dd 38.16±2.00Dd 2.30±1.18Cc 11.35±0.46Bb
!2Í
Secondcut
o#
Earlyflowering
28.86±2.33Ff 19.32±1.80De 43.92±2.09Ee 41.20±1.78Cc 1.07±0.19Gg 11.23±1.06Bc
lu#
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39.68±5.35Dd 20.05±0.99Bc 47.47±2.03Bb 42.52±2.38Bb 1.50±075.Ff 10.09±0.79Cd
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A}#
Budding
49.86±6.44Bb 17.98±1.03Ef 52.03±4.39Aa 41.12±2.76Cc 3.43±1.50Aa 9.42±0.73De
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