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Study on Silage Quality and Feeding Effects on Goat of Sweet Sorghum

甜高粱青贮品质及对山羊饲喂效果的研究



全 文 :!24" !1#
 Vol.24  No.1
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ACTA AGRESTIA SINICA
   2016$  1%
  Jan.  2016
犱狅犻:10.11733/j.issn.10070435.2016.01.030
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LIChunhong,ZHANGPeitong,GUOWenqi,YINJianmei,HANXiaoyong,WANGLi
(EconomicPlantInstitute,JiangsuAcademyofAgriculturalSciences,Nanjing,JiangsuProvince210014,China)
犃犫狊狋狉犪犮狋:Theobjectiveofthispaperwastoinvestigatesilagequalityofsweetsorghum(犛狅狉犵犺狌犿犫犻犮狅犾狅狉
(Linn.)Moench)anditsproductioneffectsongoatfeeding.Testsofsilagequalityofsixsweetsorghum
varietiesshowedthatthefermentationqualitywasfavorableinalthevarieties,butnutritionalqualityhad
significantdifferencesbetweenvarieties.Goatfeedingexperimentswerecarriedoutunder3differentdaily
rationtreatments,whichincludsweetsorghumsilage+400gconcentrate;sweetsorghumsilage+200g
concentrate;andcorn(犣犲犪犿犪狔狊L)silage+400gconcentrate(ascheck).Theresultsshowedthatfeed
intakeandweightgainofgoatsfedwithsweetsorghumsilage+400gconcentrateweresignificantlyhigh
erthanthatofsweetsorghumsilage+200gconcentrate;andcornsilage+400gconcentrate.
犓犲狔狑狅狉犱狊:Sweetsorghum;Silage;Goat
HIJK
:20141102;LMJK:20150509
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com
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Table1 Silagequalityoffermentationof
sixsweetsorghumvarieties
1G
Cultivars
pH
pH
„W
LacticAcid/%
×\i

ci
NH3N/TN/%

&*ƒ4{’
‘Zhongketian4’
3.73b 8.14ab 3.61c
‘ST007’ 3.72b 6.87c 4.12ab
‘YT003’ 3.63b 8.30a 4.35a
‘SN009’ 3.86ab 7.85b 4.30a
‘SN006’ 3.99a 6.63c 2.94c
‘¸
ƒ1{’
‘Liaotian1’
3.62b 7.94ab 3.78b
  ü:@j6@uU;Çg˜Øº…†(犘<0.05),œ@
Note:Differentsmallettersindicatesignificantdifferenceatthe
0.05level,thesameasbelow
2.1.2 `Në:¿ –Mƒs~ÕšK
F»`<=L28.58%~23.51%,‘&‘SN006’T
šKF»`Ýs

n28.58%;‘YT003’、‘&*ƒ4
{

=¾n28.01%,27.32%,‘SN006’šKF»
`غ6…†
;‘¸
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òó¦»`L7.06%~8.73%,‘&‘&*ƒ4
{
’、‘SN009’»`Ýs,=¾n8.73%,8.63%,…
†sé‘X1G
(犘<0.05)。LۏgQðšK»
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ƒ4{’»`ˆ-,‘X1G%+L…†Øº(犘
<0.05)。&  ¼ — l ¢ » ` L 42.52% ~
50.93%,‘&‘SN006’Ýs(50.93%),‘&*ƒ4
{


‘¸
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l¢»`L20.16%~27.44%,‘&‘SN006’Ýs
(27.44%),‘¸ ƒ1{’‘SN009’€(20.16%,
20.57%)。µ、j»`=¾L0.44%~0.72%
0.18~0.23% (g2)。
`2 ‹s‡{ˆ­e2ÿ‰hL­Ì
Table2 Silagequalityofnutritionofsixsweetsorghumvarieties
1G
Cultivars
šKF»`
DM/%
òó¦
Crude
protein
LۏgQðšK
Watersoluble
carbohydrates
&¼—l¢
NDF/%DM
W¼—l¢
ADF/%DM
µ
Ca/%DM
jP
/%DM

&*ƒ4{’‘Zhongketian4’ 27.32ab 8.73a 4.05a 42.52c 21.21c 0.72a 0.19c
‘ST007’ 26.31b 8.05b 4.25a 48.57ab 24.65b 0.59c 0.22ab
‘YT003’ 28.01a 8.14b 3.19b 47.35b 25.23b 0.68b 0.23a
‘SN009’ 26.55b 8.63a 4.19a 46.11b 20.57c 0.61c 0.19c
‘SN006’ 28.58a 7.06c 2.42c 50.93a 27.44a 0.44d 0.18c
‘¸
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+400gåý䅆séƒsyÕ+200gå
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0.05)(g3)。
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Table3 Dailyfeedamountofsweetsorghumsilageongoatsunderdifferentfeedingstyle(freshweight)
Óù
Treatment
0~15á
0~15d/g·d-1
16~30á
16~30d/g·d-1
31~45á
31~45d/g·d-1
46~60á
46~60d/g·d-1

Average/g·d-1
ƒsyÕ+400gåý
‘Zhongketian4’silage+400gconcentrate
1554.44±83.2a 1899.89±61.76a2046.33±166.25a1895.67±108.30a1849.08±211.97a
ƒsyÕ+200gåý
‘Zhongketian4’silage+200gconcentrate
1150.56±42.60b 1384.71±82.12b 1622.56±85.15b1545.22±103.41b1425.76±199.46b
»zÕ+400gåý
Cornsilage+400gconcentrate
1186.33±140.72b 1269.94±8.14c 1472.67±75.52c 1289.00±90.33c 1304.48±137.94c
2.2.2 `aZb¹÷”ÈgdÛBðº_ý ƒ
syÕ+400gåý、ƒsyÕ+200gåý、
»zÕ+400gåýäØvòí•=¾n59.84
g,14.99g,40.39g。Ô&ƒsyÕ+400gåý
äTJ”:fÝ`

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åýä6»zÕ+400gåýä(犘<0.05);nÔ
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g4)。
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Table4 Dailyweightgainofgoatunderdifferentfeedingstyle
Óù
Treatment
0~15á
0~15d/g·d-1
16~30á
16~30d/g·d-1
31~45á
31~45d/g·d-1
46~60á
46~60d/g·d-1

Average/g·d-1
ƒsyÕ+400gåý
‘Zhongketian4’silage+400gconcentrate
70.00±3.96a 58.89±6.4a 51.67±7.19a 58.82±6.64a 59.84±8.84a
ƒsyÕ+200gåý
‘Zhongketian4’silage+200gconcentrate
16.67±1.56c 15.33±2.81c 13.89±2.37b 14.07±1.19c 14.99±2.25c
»zÕ+400gåý
Cornsilage+400gconcentrate
23.13±2.48b 55.00±4.75b 50.67±3.55a 32.79±3.83b 40.39±13.72b
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”•AB
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