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Effect of Different Concentrate to Forage Ratios of Caragana korshinskii Silage on Lamb Performance, Digestion, and Metabolism

不同精粗比柠条青贮日粮对羔羊生产性能和消化代谢的影响



全 文 :!23" !3#
 Vol.23  No.3
! " # $
ACTA AGRESTIA SINICA
   2015$  5%
  May.  2015
犱狅犻:10.11733/j.issn.10070435.2015.03.022
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(犆犪狉犪犵犪狀犪犓狅狉狊犺犻狀狊犽犻犻Kom.)_ûâ5W&â。p¤4ñÒY›•Y30ç,°¤"ý@«‹¼,íî«c–‹
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(犣犲犪犿犪狔狊)&âj”âyàâ。€a+›:¤N&âcâ<
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”`t60∶40Ž•Y¹&À°w
"¶Ï\0æ}zàðJ*_1131.11g·d-1,73.45%,fN”`tNOŒG"¶vÏ\Œ£¤æJ*_
18.33g·d-1,62.97%。³Í§Q«&ÀÏ\涫Ì>J,P”`t_60∶40_ª,fŠ”`tNO‘ç
Y²ÓJ_1.52Ê,íî>JS<à¦Ñ19.33%。
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:S826.92    >?@AB:A     >CD=:10070435(2015)03058608
犈犳犳犲犮狋狅犳犇犻犳犳犲狉犲狀狋犆狅狀犮犲狀狋狉犪狋犲狋狅犉狅狉犪犵犲犚犪狋犻狅狊狅犳犆犪狉犪犵犪狀犪犽狅狉狊犺犻狀狊犽犻
犛犻犾犪犵犲狅狀犔犪犿犫犘犲狉犳狅狉犿犪狀犮犲,犇犻犵犲狊狋犻狅狀,犪狀犱犕犲狋犪犫狅犾犻狊犿
XUZhiJun,HUYan,DONGKuanHu
(DepartmentofPratacuhuralScience,ColegeofAgronomy,ShanxiUniversity,Taigu,ShanxiProvince030801,China)
犃犫狊狋狉犪犮狋:Toinvestigatetheeffectsof犆犪狉犪犵犪狀犪silagedietsonlambperformance,digestionandmetabo
lism,the犆.犽狅狉狊犺犻狀狊犽犻犻of8~10yearswasstumpedandprocessedintosilage,and30malelambswere
assignedtofivedietarytreatmentsbasedonrandomizedblockdesign.Mixedconcentrateandcornsilageas
baseddietforcontrol,differentconcentratetoforageratiosof犆.犽狅狉狊犺犻狀狊犽犻犻silageandmixedconcentrate
fortestgroups.Resultsshowedthatdifferentforagetoconcentrateratiosof犆.犽狅狉狊犺犻狀狊犽犻犻silagehadno
significanteffectonpalatabilityandphysicalhealthstatus,andthedrymatterintakewaselevatedasthe
ratioincreasing.Drymatterintakeanddigestibilitysignificantlyincreasedtothemaximum1131.11
g·d-1,73.45% ,respectivelyattheratioof60:40(犘<0.05).Atthisforageratio,nitrogendeposition
anddigestiblenitrogenutilizationreachedthemaximum18.33g·d-1,62.97%respectively.Comprehen
siveconsiderationwasgiventonutrientdigestibilityandcostbenefit,themaximumgainscouldbeob
tainedby1.52yuandailyforperlambandeconomicefficiencyincreased19.33%attheratioof60∶40.
犓犲狔狑狅狉犱狊:犆犪狉犪犵犪狀犪犽狅狉狊犺犻狀狊犽犻犻;Silage;Lamb;Nutrientdigestibility;Productionperformance
EFGH
:20140605;IJGH:20140826
KLMN

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(201122)ÀÁ
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(1988),Å,>0˜`§,úËÌÍñ,mVÏÐcâx&Q«¶!Ã~ïփIÌÍRx,Email:wutong157@126.
com;:6x×Authorforcorrespondence,Email:dongkuanhu@126.com
  ¤N(犆犪狉犪犵犪狀犪犓狅狉狊犺犻狀狊犽犻犻)x_͸ÉYé
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1 STUVW
1.1 Ö×ST
íîÞ2013$9%10²—11%19²fr0
€[

ñ©·oÀ`YG;24

5W

e4¤N`
žŽ}5tøhm-2,6Ñuv40~70cm,zÑ
v}2m。°Ê8~10$L#u]¤N,¡Û¢
(RC700¤N¡¢ý)*úÄF10%I[hŽ&
â

ĤN&â¢Q«nJß+1nÅ。
q1 $_%&*T+éu,
Table1 Nutrientcompositionof犆.犽狅狉狊犺犻狀狊犽犻犻silage
Ë5Öµ
Treatment
`ëÒÀ
CP/%
`€¥
EE/%
8ñO^M(
NDF/%
½ñO^M(
ADF/%
`ÝJ
Ash/%
ÞCa
/g·kg-1
ÅP
/g·kg-1
dË5Untreated
&âSilage   
12.25 3.02 66.36 48.31 5.47 9.26 0.57
13.58 4.65 63.05 45.03 5.44 9.81 0.56
  •:CP,EE,NDF,ADF,Ash,Ca,PJ*+Å`ëÒÀ、` €¥、½ñO^M(、8ñO^M(、Þ、Å
Note:CP,EE,NDF,ADF,Ash,Ca,Pmeanscrudeprotein,crudefat,aciddetergentfiber,neutraldetergentfiber,calcium,phosphor
usrespectively
1.2 Ö×µº1G,
p¤ËÌ

2~¬èI4%Å4ñÒY¶?
4YI õF1ڛ•Y30ç,2~_22.45±
2.33kg,’2~à4J_5«,‘«6ç,£‘
« 2 ~ ¬ è P † ‡ í î © ã

< à « c –
50∶50I[h&âj”âyàâ,íî«J*c
–” ` t

¹ & À 2 3

_ 70∶30,60∶40,
50∶50,40∶60I¤N&âj”âyàâ,yà
â”â’hYc«{%j;kYQ«UV{ò
ß+2nÅ。
q2 Ö×"T-.TV+é+/
Table2 Compositionandnutrientlevelsofexperimentalconcentrates
²f«n
Ingredient
¯"
Contents
Q«Éu
Nutrientlevels
¯"
Cotents
[hCorngrain/% 58.0 Ï\ôDE/MJ·kg-1 13.57
;¦Soybeanmeal/% 3.0 âý&OM/% 89.70
§1 Wheatbran/% 12.0 `ëÒCP/% 15.60
V¦Cottonseedmeal/% 5.0 8ñO^M(NDF/% 7.34
õ¨Linseedmeal/% 11.0 ½ñO^M(ADF/% 15.89
~+ Wheatmiddlingandreddog/% 8.5 ÞCa/g·kg-1 5.41
a§âPremix/% 2.5 ÅP/g·kg-1 4.80
  •:DE+ÅÏ\ô
Note:DEmeansdigestibleenergy
785
! " # $ !23"
  íî#70d,lc#60d,íîÛÜ30d¢}
¬Ï\©5W_#12dIÏ\íî(7dIaí#,
5díî#),Pfíî€8¢5W™šˆ。”â
yàâjíf{Öß+3nÅ。
q3 rÖ×ßGV1+é+/
Table3 Compositionandnutrientlevelsofexperimentaldiets
²f«n
Ingredient

Control
¤N&â犆.犽狅狉狊犺犻狀狊犽犻犻狊犻犾犪犵犲
70∶30 60∶40 50∶50 40∶60
ӉConcentrate/% 50.00 70.00 60.00 50.00 40.00
[h&âCornsilage/% 50.00 - - - -
¤N&âCaraganasilage/% - 30.00 40.00 50.00 60.00
Ï\ôDE/MJ·kg-1 11.20 12.09 11.60 11.11 10.62
`ëÒCP/% 11.78 14.99 14.79 14.59 14.39
`€¥EE/% 3.99 5.11 5.04 4.98 4.91
8ñO^M(NDF/% 21.45 30.04 34.75 39.42 44.19
½ñ0ƒM(ADF/% 17.17 19.65 22.42 26.19 29.95
ÞCa/g·kg-1 2.96 4.17 3.73 3.29 2.85
ÅP/g·kg-1 2.73 3.60 3.20 2.75 2.33
  •:‘kg”âyàâ¯:(ñ¥A5687IU;(ñ¥D1042IU;(ñ¥E93.3IU;ß57mg;Þ43mg;812.7mg;Õ0.67mg;0.6
mg;ˆ0.3mg。üÏ\ô_¼jðC,|ýz{v_“ð
Note:Providedofperkilogramdiets::VA5687IU;VD1042IU;VE93.3IU;Fe57mg;Mn43mg;Cu12.7mg;I0.67mg;Se0.6mg;Co
0.3mg.DEiscalculatedvalueandothernutrientlevelsaremeasuredvalues
1.3 `boúÄUkl
câF»

íî#h‡+Á•Y‘d°w"
¶Z]"

P’tu°Êcâûâ¶ZâF»

íî
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¤

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ZêéîÁ¤

1.4 m®e@1VW
1.4.1 ÐÑsÈ:,æ íî#h‡+Á‘È
¹&À°w"
(drymatterintake,DMI),¼jâý
&À°w"
(organicmatterintake,OMI)、` ëÒ
À°w"
(crudeproteinintake,CPI)、½ñO^M
(°w"
(aciddetergentfiberintake,ADFI)、8ñ
M(°w"
(neutraldetergentfiberintake,ND
FI);ˆcâF»Qª8âý&À(organicmat
ter,OM)、` ëÒÀ(crudeprotein,CP)、½ñO^
M(
(aciddetergentfiber,ADF)、8ñO^M(
(neutraldetergentfiber,NDF)、Þ(calcium,Ca)、
Å
(phosphorus,P)I¯",¼j|Ï\æ;ˆE
F8CP¯",͆•YŒÚ>æ;ð2zÊJà

câJKjcâÀ"ö„…
》[23]
5Wˆ

1.4.2 $ÒÈp§ÓçÒ fíîIÛܶ€8,
’¬ŒzuÞH7:00Ñý9~,ö°9~2d,{2
~9~ã*ˆ;3%,°!3d!~9~,“uvð;
ˆHÜ÷2~¶íîÈG¼juv²ù~
(average
dailygain,ADG)。
1.4.3 ÔÕÆÇ íî€8¢,™šá24h«·
–â
、2hÿÉ,Pé)Yâ>!2~,:; «³
W| «

ϼU¬KÿYÔ¶xÔàJÓY

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2«ò30~40min¢9~P³hJ‚。
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);
™šæ=²2~/šá!~×100%;
õhæ=(²2~-³~)/šá!~×100%
²2qhæ =(²2~ - ³~)/²2~ ×
100%。
1.4.4 pÖ×t °¤t–x³ˆ12~13¹³
hºð8ùh–

°¤²2½e0âˆðh1
4ŽpHð(pHvalueof1hour,pH1)、244ŽpH
ð
(pHvalueof24hour,pH24),“»UFz·ð
hF’à5Ô{%~J‰Ç5Wà5Ô~J

°¤
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[2425]
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1.5 ij,c
íîGH¤ Excel2010 5Wï5¼j,¤
SPSS19.0SuIANOVA5WÖãJK,vð¤
LSDjDuncan³tS,íî€aP“uvð±{%
ã



2 mnU,c
2.1 €"#“$_%&GÁ(vú0åoÔÕ
¤N&â²fDMI"”`tIƒß,>÷Ñ
¢”•

+4),¦Ñ`âÉuvùú•YI¹&
À°w"

-¤N&âˆ;60%P¢,DMIÛ܍


íî«DMIJ*S<à¦Ñ2.47%,10.42%,
13.90%j6.12%,”`t_50∶50Ž¹&À°w"


-60∶40¶50∶50«hœ‹‹ãR。OMI+
,qŒDMI¥ŠIÎ|。íî«CPIvœ‹ÑÞ<
à«
(犘<0.05),60∶40j50∶50«ÑÞ70∶30j
40∶60«(犘<0.05)。ADFI,NDFI"#”`tI
ƒœzùú

íî«NDFIvÑÞ<à«,ü70∶30
«C
,ADFIvœ‹ÑÞ<à(犘<0.05)。
q4 €"#“$_%&GÁ(vú0åoÔÕ
Table4 Effectsofdifferentconcentrate/forage犆.犽狅狉狊犺犻狀狊犽犻犻silagedietsontheDMintakeoflambs g·d-1
¿¥
Items

Control
¤N&â犆.犽狅狉狊犺犻狀狊犽犻犻silage
70∶30 60∶40 50∶50 40∶60
¹&ÀDMI 1024.35±28.50a 1049.63±19.80a 1131.11±44.33bc 1166.78±10.94c 1087.02±9.42ab
âý&OMI 937.25±27.07a 1001.98±18.89a 1079.75±42.31bc 1113.78±40.44c 1032.23±16.63ab
`ëÒÀCPI 120.67±3.36a 157.38±2.97b 167.31±6.56c 170.23±1.60c 156.40±1.36b
½OM(NDFI 293.89±8.18a 325.71±6.14b 408.08±15.99c 479.84±4.50d 501.90±4.6d
8OM(ADFI 255.24±10.03a 216.28±7.09a 270.16±13.14b 326.85±7.70c 341.58±10.50c
  •:ŒW¼†wx¬Œ_ãR‹œ‹;ŒWwx‹Œ_ãRœ‹(犘<0.05)。Œ
Note:Meansinthesamerowwiththesamelettersuperscriptsarenotsignificantlydifferent(犘<0.05);Meansinthesamerowwithdif
ferentlettersuperscriptsaresignificantlydifferent(犘<0.01).Thesameasbelow
2.2 €"#“$_%&*TÁ(vÑÒЛo
ÔÕ
݉1vÀ,”`t70∶30,60∶40,50∶50S
<àù~>a›œ
(犘<0.05),P”`t_60∶40
ŽADG}zàð180.20g·d-1。
<1 €"#“$_%&*TÁ(v/„G‰§oÔÕ
Fig.1 Effectsofdifferentconcentrate/forage
犆.犽狅狉狊犺犻狀狊犽犻犻silagedietsontheADGoflambs
  ß+5nÅ,‹Œ”`t¤N&âcâíî«
™š æ J * S í î á ¦ Ñ 7.22%,11.93%,
4.38%,5.07%;õhæ¦Ñ 11.93%,7.56%,
4.35%,-1.71%;² 2 Í h æ ¦ Ñ 4.38%,
2.34%,1.51%,-2.72%,./q¤N&âcâ<
•YðâSÑIc¤ïð

”`t60∶40«ADG
zà_184.19g·d-1,9œ‹ÑÞ<à«20.63%
(犘<0.01),-¶”`t70∶30«ÿœ‹ãR,í
Y™šæ

õh液2Íhæ"²f”`
tI¦Ñß>ùú¢”•

f²f”`t_70
∶30Ž}zàð,J*_35.98%,78.97%,晚
æf²f”`t_60∶40Ž}zàð_46.12%,
¤N&âtuˆ;60%Ž›œƒ•Yuv²ù
~jñÍñô

2.3 €"#“$_%&GÁ(vo+éºÂ
))NoÔÕ
‹Œ”`t<²fDM,OM Ï\æð⛜
ÕÖ

"”`tIùàß,>÷Ñ¢ƒ”•

+
6),¤N&â*útuˆ;50%Žœ‹ƒ²f
DM,OM;²fDMD,OMD,NDFD,CPD,EED,PD
"”`tIùàß,>÷Ñ¢ƒ”•

e”`t
60∶40Ž}zàð,J*_73.45%,74.37%,
53.46%,75.69%,55.83%;æ ADFD,PDI—Î|¶ OMD,NDFD,CPDI—\Î|P‹¥Š,
ADFD"²f”`tIƒæ÷Ñ,PD°"”`
tƒæ

f”`t40∶60Ž ADFD}zà
ð46.42%,CaD ° f 50∶50 Ž } z à ð _
985
! " # $ !23"
44.65%。¶íîá¬t,¤N&âc✋ƒ‰
²fADFD,CaD,PD。üADF,NDFC,mVQ«
&ÀÏ\0Óæ"”`tùàß>÷Ñ¢ƒ
”•

q5 €"#“$_%&*TÁ1v23e@oÔÕ
Tab5 Effectsofdifferentconcentrate/forage犆.犽狅狉狊犺犻狀狊犽犻犻silagedietsontheslaughterindicatorsoflambs
¿¥
Items

Control
¤N&â犆.犽狅狉狊犺犻狀狊犽犻犻silage
70∶30 60∶40 50∶50 40∶60
šá!~SW/kg 30.30±0.42a 33.40±0.57b 32.65±0.78ab 32.10±0.14ab 30.40±1.27a
²2~CDW/kg 13.53±0.16a 15.23±0.64b 15.05±0.41b 14.26±0.04ab 13.27±0.85a
õh~ MW/kg 10.23±0.11a 12.02±0.38b 11.63±0.21b 10.95±0.08a 9.78±093a
™šæDP/% 44.64±0.09ab 45.57±1.15bc 46.12±0.16c 44.41±0.09ab 43.32±0.05a
õhæ MP/% 32.68±0.08a 35.98±0.53c 35.62±0.20bc 34.10±0.09abc 32.12±1.70a
h³t MB 3.33±0.05b 3.76±0.27b 3.44±0.29ab 3.31±0.07ab 3.06±0.36a
²2Íhæ MC/% 75.64±0.07ab 78.97±0.83b 77.23±0.69ab 76.78±0.36ab 73.58±3.06a
GRð GR 6.58±0.62a 7.05±0.55a 7.22±0.75a 7.38±1.72a 7.29±1.65a
ºðŽEMR 13.11±0.52a 16.64±1.86b 14.79±0.70ab 15.65±0.95ab 13.92±0.37ab
  •:SW,CDW,MW,DP,MP,MB,MC,GR,EMRJ*+Śá!~、²2~、õh~、™šæ、õhæ、h³t、²2Íhæ、€¥tejº
ðŽ
Note:SW,CDW,MW,DP,MP,MB,MC,GR,EMRmeansslaughterweight,carassdessedweight,meatweight,dressingpercentage,
meatpercentage,meatboneratio,meatcarassratio,carcassfatandeyemusclearea,respectively
q6 €"#“$_%&GÁ(v+éºÂ))NoÔÕ
Table6 Effectsofdifferentconcentrate/forage犆.犽狅狉狊犺犻狀狊犽犻犻silagedietsonthenutrientdigestibilityoflambs %
¿¥
Items

Control
¤N&â犆.犽狅狉狊犺犻狀狊犽犻犻silage
70∶30 60∶40 50∶50 40∶60
¹&ÀDMD 75.09±2.47c 71.15±1.83c 73.45±1.46cd 67.81±0.39b 60.00±0.17a
âý&OMD 76.46±2.12d 72.43±2.12c 74.37±1.38cd 68.73±1.16b 60.77±0.40a
8OO^M(NDFD 51.70±0.92c 49.83±0.19c 53.46±1.59d 46.28±0.94b 43.19±0.43a
½ñO^M(ADFD 53.11±2.25d 30.23±0.85a 40.37±0.94b 43.94±1.41c 46.42±0.84c
`ëÒÀCPD 71.32±2.13ab 73.75±1.05bc 75.69±1.81c 73.65±1.30bc 70.17±0.63a
`€¥EED 72.52±2.90d 74.60±2.62c 75.95±2.07c 70.34±1.21b 63.38±0.66a
ÅPD 60.14±0.71d 41.89±2.05bc 40.54±2.31b 44.65±1.46c 28.59±1.46a
ÞCaD 54.64±1.60c 57.13±1.37c 55.83±0.78bc 55.13±0.92b 47.30±0.88a
  •:DMD,OMD,NDFD,ADFD,CPD,EED,PD,CaDJ*+Ź&À、âý&À、8ñO^M(、` ëÒÀ、` €¥、ÅjÞI+†Ï\æ
Note:DMD,OMD,NDFD,ADFD,CPD,EED,PD,CaDmeansthedigestibilityofDM,OM,NDF,ADF,CP,EE,P,Carespectively
2.4 €"#“$_%&GÁ(v//4oÔ
Õ
¤N&â²f”`t_50∶50Ž5wŒ"z
à_25.49g·d-1,70∶30Ë5«5wŒƒÞ
50∶50,40∶60«。70∶30,60∶40,50∶50«²f
<•YEŒœ‹‹ãR

e”`t_40∶60Žðz
ÑEŒ%q"

‹Œ”`t¤N&â²f<•Yv
Ï\ŒIÕÖì"”`tIùàß>÷Ñ¢”
•

+7),Ë560∶40,50∶50«œ‹ÑÞ70∶30,
40∶60«(犘<0.05),e²f”`t_50∶50Ž,
•YvÏ\Œ}18.77g·d-1_zàð;æGŒ、
vÏ\Œ£¤æ¶vÏ\Œ—\Î|¥Š

e”`
t_60∶40Ž,ªŒ、EŒ%q"ƒ,ŒŽvό£¤æ}zàð_62.97%。
q7 €"#“$_%&GÁ(v/ÚÛoÔÕ
Table7 Effectsofdifferentconcentrate/forage犆.犽狅狉狊犺犻狀狊犽犻犻silagedietsonthedailynitrogenmetabolismoflambs
¿¥
Items

Control
¤N&â犆.犽狅狉狊犺犻狀狊犽犻犻silage
70∶30 60∶40 50∶50 40∶60
00°wŒIN/g·d-1 16.19±1.76a 22.56±0.31b 24.21±0.76bc 25.49±0.72c 24.45±0.60c
ªŒTN/g·d-1 4.63±0.48a 5.92±0.32b 5.88±0.41b 6.72±0.47c 7.29±0.16c
EŒUN/g·d-1 5.51±0.53a 6.72±0.27b 6.77±0.33b 7.11±0.22b 8.35±0.37c
vÏ\ŒDN/g·d-1 11.56±1.45a 16.64±0.02b 18.33±0.85cd 18.77±0.40d 17.16±0.52bc
ŒGNR/g·d-1 6.04±1.00a 9.92±0.27b 11.55±0.94c 11.66±0.51c 8.98±0.57b
vÏ\Œ£¤æDNU/% 52.12±2.91a 59.64±1.65b 62.97±2.56b 62.11±1.61b 51.34±2.31a
2.5 €"#“$_%&GÁ(v1bÂoÔÕ
‹Œ”`t¤N&âcâ<•Yh»Àÿœ‹
ÕÖ

+8),S<à,‹Œ”`t¤N&âcâh0hIpHðâ÷є•;0~4℃Óò24h¢‹
095
!3# ¬¯´:‹Œ”`t¤N&â²f<•YñÍñôjÏ\ځIÕÖ
„÷Ñ

"”`tI†‡h–ßùú”•

-ãR‹
œ‹

‹Œ²fghà5Ô½ÿœ‹ãR

‹Œ”
`t¤N&â²fS<àv¦ÑYhIhæ


`t_40∶60ŽIhæzà_67.35%;‹Œ”`
t¤N&â²f
ëÒÀ

ð倥Q
ÄɁ&ÿœ‹ÕÖ

q8 €"#“$_%&GÁ(v1bÂoÔÕ
Table8 Effectsofdifferentconcentrate/forage犆.犽狅狉狊犺犻狀狊犽犻犻silagedietsonthemeatqualityoflamb
¿¥
Items

Control
¤N&â犆.犽狅狉狊犺犻狀狊犽犻犻silage
70∶30 60∶40 50∶50 40∶60
h–Fleshcolor 3.75±0.35a 3.75±0.35a 3.50±0.71a 4.00±0.00a 4.25±0.35a
à5Ô½ Marblevein 4.00±0.71a 4.25±0.35a 4.00±035a 4.00±0.00a 4.00±0.71a
pH1hour 6.07±0.58a 6.46±0.21a 6.54±0.30a 6.46±0.09a 6.48±0.03a
pH24hour 6.63±0.01a 6.58±0.06a 6.52±0.04a 6.56±0.04a 6.54±0.00a
IhæCHP/% 60.14±2.86a 66.43±0.14a 61.83±7.68a 63.97±5.48a 67.35±1.54a
ÉJ Moisture/% 74.90±0.8a 75.02±1.71a 74.29±1.07a 75.73±0.50a 74.56±3.50a
ëÒÀProtein/% 20.21±0.98a 19.15±0.09a 20.31±0.16a 20.31±0.07a 19.28±3.17a
ð倥 Muscularfat/% 1.80±0.07a 1.83±0.02a 1.86±0.08a 1.79±0.05a 1.75±0.11a
ÄÉ\&Carbohydrate/% 1.20±0.27a 1.10±0.57a 1.10±0.36a 1.53±0.11a 1.27±0.14a
2.6 $_%&GuƒUþ516,c
”`t70∶30,60∶40,50∶50«J*S<à
øÓJ3.07%,19.38%,11.48%,40∶60«S<à
‹ÓJ13.08%,!›¤N&âcâvƒc«n
?

¦Ñ«Ì>J

e”`t_60∶40Ž}zàíî>J1.52Ê·d-1。
q9 €$_*TuƒUþ516,c
Table9 Economicanalysesofdifferent犆.犽狅狉狊犺犻狀狊犽犻犻silagediettreatments
¿¥
Items

Control
¤N&â犆.犽狅狉狊犺犻狀狊犽犻犻silage
70∶30 60∶40 50∶50 40∶60
²ù~
ADG/g·d-1
152.7 180.52 184.19 175.86 144.17
²ù~ïð
ADGValue/yuan·d-1
3.07 3.70 3.82 3.51 2.77
²¨â
Dietconsumption/kg·d-1
1024.35 1049.63 1131.11 1166.78 1087.02
câïj
Feedcosts/yuan·kg-1
1.75 2.28 2.04 1.85 1.57
²¨ân?
Dietcost/yuan·d-1
1.79 2.39 2.31 2.16 1.71
²ù~ÓJ
ADGbenefit/yuan·d-1
1.27 1.31 1.52 1.36 1.06
  •:íî>J’!2™šæ¼j,)«•YIuv™šæJ*_44.64%,45.57%,46.11%,44.41%,42.64%。”âyàâIïj’3.0
Ê
/kg,[h&âïj’0.5Ê/kg,¤N&â’0.61Ê/kg¼,¤N&ââ)«cân?J*_1.75,2.28,2.04,1.81,1.57Ê/kg。²2m
ï’e445.0Ê/kg¼
Note:Economicbenefitswerecalculatedbasedonlivingdressingpercentage,averagedressingpercentageofeachgroupwere44.64%,45.
57%,46.11%,44.41%,42.64%,respectively.Concentrates,cornsilage,犆.犽狅狉狊犺犻狀狊犽犻isilagewerecalculatedby3.0yuan·kg-1,0.5yuan
·kg-1,0.61yuan·kg-1,respectively.Feedcostsofeachgroupwere1.75yuan·kg-1,2.28yuan·kg-1,2.04yuan·kg-1,1.81yuan·
kg-1,1.57yuan·kg-1,respectively.Carcasswascalculatedbyof45.0yuan·kg-1accordingtolocalprice
3 œ
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°w"zà

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)PEN1//4oÔÕ
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OMD,CPD,NDFD,EEDÕ֜‹,"”âtuI
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ôÝޔâtu}70%P¢,b ½eƒŸŠb
 c™—\ÏæOMDjADFD⍁”•,âÌ
Í+›eb ½eƒØ¥ˆSe
,pH ðI‰°
ƒP‹ôùúM(¥¶xM(IÝæ

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ñNODM ÝæÕÖS4,pH _2Ž}zà
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[35];
e”`t_60∶40Ž•Y<²f DMD,
OMD,EED,ADFD}zà,JKvôûü_`â8
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b 8v£¤ô"ÞÓ
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[36],
H Venkateswarlu[37]¸|,c–‹Œ”
`tÑM/Ž

"#”`tIùàCPDœ‹69
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.

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Ž

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[38];Hoover[39]
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f°¤Ë£Ä•Yc–‹Œ”`tLÑMIíî€
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£¤æ+,z_5(
,CP,EEâý&G"z
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–•Y5W;k

žŸ>?
[1] 3~,š%,~n,.mVÉYé)ž&Q|ے£¤[J].¸
L,:ÌͶے
,2013(3):4548
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