Effects of Environmental Temperature Conditions on Nitrogen Excretion in Lactating Cows - Diponegoro University | Institutional Repository (UNDIP-IR)
No.59
March 1999
:z
Q.)
-0
:::s
•
Q.)
:::s
(J)
C
CD
0
»
:::s
3
Q.)
:::s
c..
c
(J)
-
"'<
National Institute of Animal Industry
(Ministry of Agriculture. Forestry & Fisheries)
IbaraKI, Japan
W
J:M
{[:: llilJ Nセヲイゥェ@
セ
SiS セ@
2/
J.,
f
m
iセ@
イスセ@
je
,>V.
*
1m
ヲゥp}セNャC@
7lff
Aセ@
fffi
IJ \
fEr
';Q;'
セ@
EB
;Zl
I
rp
}j:
goG
:&
2[:
1:.
iit
.セイ@ A!
rn
_ャセ@
]i.)
_I.:.'
till
i'T
{fr
W:
Yoshihiro YA:\IASHITA
DirectorGeneral, !\ational Institute of Animal Industry
Kunio YOKOUCHI
Director, Department of Reserch Planning and Coordination
Takao OISHI
Director. Department of Animal Breeding and Genetics
Takayashi KARIYA
Director. Department of Animal Reproduction
Kyohei OZUTSU:\U
Director, Department of Animal Physiology
Shinobu T A:\,ABE
Director, Department of Animal Nutrition
Hiroyasu :\,AKAI
Director, Department of Animal Products
セヲゥョッイオ@
ITO
Director, Department of Feeding and the Environment
(fr&:ll1f 3 fj)
I
§
il;(
I
... ,.... , ........... ,...... ,... ,..... , .. ェセ@
J
"{ : .7[::
0)
I
.. " ................. "" ....... IJ\f,f
イセG@
.
MWOセ@
QZFH[BAGtセヲ@
:
m·tlJ {jU·
;\l,n1:f(.7) セィQャエゥZ@
........... -...... " ...... セ@
,
NxZセ@
.:
.-
BULLETIN OF
NATIONAL INSTITUTE OF ANIMAL INDUSTRY
No. 59 (1999. 3)
coセtens@
Takao O!SHI and Hiroshi YASlE .
Porcine Genome Analysis Recent Progress [in Japanese) ..
Resercn Papers -
•Animal Physiology
Takeru KOBA YASHI. Hiroshi S..HO. Yasuhiko ::\ISHIGlCHI and Hi,ao IV.HASH! : Effects
of Rumen·bypass Amino Acids and Fat on Milk Production. Rumen Fermentation.
and Blood Components in Dairy Cows
................................................
.. 17
Animal セオエイゥッョ@
Makoro Y A"IAZA.Kr. Masayoshi Y.'.\'L'.Z.'.KI. Kousuke K ..\ WAI and Masaaki T AKE\lASA
: Comparative Effects of Different Forms of ::\itrogen Source· Protein. Protein
Hydrolysate and Amino Acid !.lixture on Egg Laying Performance of Hen ............... · .... 25
Fuminori TERADA, Mitsunori KURIHAR'., Kouji HrGlCHI. Agung PLR"m.1OADl and
Osamu E"rsHl : Effects of Environmental Temperature Conditions on ::\itrogen
Excretion in Lactating Cows
l: :
:?:l l \ C.
32JlJ'i 0) ゥセGAᆬ
oIGセCャゥェヲjZ|iエAイ@
t· C t!i!ilJ
t-
:: 0) セゥ@
, :: セQ@
:;,
ャIェQセゥiaZAエM
4- セ@
jfj
) 28 'c c ("; セ セ
fft lf1
j,' L t:: L tJ,
[NセL@
i:: if :; C
PF[Nセコゥ^GィWヲj|MZ@
;;28C::::bl \ c ilk L t: fJ>, JJKrFf'JfitIlJi:iJWiJO L.
t: 2 d'l{ ャAイセ@
J!i: ::: X'J"9 0 セhスオエャ@
A,. 0) セ@
# nnm?;li
fr;; JS C (;63% C iD '" t: fJQ8'C c (;'67% A,. "=
1]0 L t:
i 4 %.'fL セヲ@
Hi lE $L (FCM)lfl: iD t: I) 0)
Yt
A,.
Zセエjョャヲrゥ[fcmoIᄆ}ᆬO{@
"= "= S i=
セjZNo@
ヲォfBYセエjIN@
セ@
2
iHzi>';
T. J:§:i:\?,
d,,] ,*, FCM ji, 'R: セ@
セッj@ 'l'4 ,t1 ffi
.7 /' Oセ@ -7
I:: J:. :; C*li:c § 0 :: "= tJ'if; 2' h
lォセjAゥZヲ@
« , ゥセLDl@
J:. u,* tt' A,. 0)
セZX@
'1:
JセZMjエ|」@
;-&,(;;
Lt:c
t:
oセ@
セoICFqL]lMc
.ill! 0)
セ fT '" C :8 I), -:: 7.1 セ@ 0)
It fj't\, JQヲエセRゥG]jZNM」PI@
l \ C, セ[エJゥLャェN
[;1..1';:; t5 J:. ::5 fii: 0) j@
!it
PIセNイUhGヲ@
:rei J:. :::nSC60%C iD
it "= 1UJi iD t:
セ
m§'A L,
セ@
10]
(li1j-- セBゥ@
C 18e. 28C (1) Llt\-: セMZ「L|QGjN@
1,'''C 0 ゥセLD⦅@
{,:j セ
I;,
:fr
i),
QTZLイ[Aセ」@
::: ::J t· M」セヲLサ@
セ@
r"")
t'li'
199'1
1[,( {IT 2::
m,r.t \i1 0) セ@
.FOl !1: 2:: エMNセ@
'+'
ケセ@
"'*'
rl! ;1:5 J:: :" 4 % セl@ セョ@ t4,
'2:: rr ;': FCM 5j1 "1 ;'-
セNu@
エセ
iflJ: :tu::: 0) GセャN」AZ@
ェセヲN@
< ;::::,
::J セ@
f;;! J:J2
ff ゥセャ@ fA (J)
QエDセCt@
:: セ@ ") セ ヲセGイ@
L t:-:
Wf7:;l \T:(1, !.)SAS GLM7 0:'/:; f
. MilkoScan 133B. Foss Electric. DcnmarL:: J::
- ' ::
'J
i. セゥエーNクJャ@
セjェ@
'2::ii II:
1ff ヲjクセ}Z@
(CP) 1tf!i; 14.3
bHJt
GセwエヲゥFLZ@
0)
ゥヲセ@
g 1i h
エZェNrセ@
'2:: セサヲNoコL@
セNャZエ{ゥ\@
f4it {, l
,:t mセ
I:j.@]t£. ェセ@
16.5%DMc.n I). セᄆゥァjエ@
&;i
I: J:: 'J cfh t:-c
?t"f.i): i::B It {,
W'2:: mElltkl-f 2::g
'5tt:JH>tl7t!UU:: L. セゥjエ|ArGRZヲeャ@
WT c g '5 1
2:: ;", CD :J t:
.:.., tl エNセ@ tJ", i:, 6: t:.
1l+7i1'i\lO i:M-t {, CP
133%), 28C :: 112 Q6
B JセLェ}@
18'("C 116% : Xセ
ヲエG`[セZ@
. 87 1319 0 ) lit :J 1::
j:9
nOlJ
18C i:.lt
AGL|ャセゥァjエRXcB[@
6: i:,
I: J: {,.@ l \:; d:2Y)
:fLil1/::::*l13%. FCM.!R:i 15%jg;T L t:
Table 1. Perfocmance of lac"!1l1. C.o", ャセ@
balance trials
Em j,onmental temperature
Xo, of animals
Body weight, kg
Dry matter intake. xg
day
SE
28'(
l8C
32
32
594.3
587.!
1"7.45
1.7
"
15.33
0.23
Crude prOlcin coment in diets. %0\1
15.30
15.41
Milk yield, kg day
25,26
21.90
0.05
0.31' .
Milk composition, °0
Fal
3.66
3.53
003' ,
Protein
3.30
3,19
0.01' .
Feces, kg. day
37.70
32.09
0.78"
Urine, kg / day
14.13
14.75
0.46
....
MセN
セ@
SE : Slamiard errOr. " : p;
milk: F01' Yield "rld WI"' ;;ilwgcn
excretIOn face, セ@ urine
[W kg
FeH
34
1999.
;::13 i1 J5 i·£',.'iL't:0
i)sjii:F9' J5 C 1Jl fiiH.,.
セゥAU[エNイZjャィFェLG@
.
l"C セ@
WLH[セzᆬャZG@
IlK'i1"..
JGセYN@
QヲャZHセ|サLエj[ゥイG@
セェ[MiZエjUt@
"=:
0,
*'
5' /' J セ@ :7 'fjJ) セ
J[,4'
'flFfli: It,] 11 G f.L t::
V"c l \ セ@ t 0) "=: 'f"JIlfr C セ@ J5 l i)l l.
:J t!J 1;セエjゥQZhG[@
セ[IG@
b:;>
Zゥ\hDvIAェGャj[セエ、@
Wセゥw\Gᆪエ@
ゥエュZセ。イB@
u")
..... 1;,
'"Cl \ J5!:
,
UNGヲPI「スhjセa@
ttr:: :i,ji"" J5 エAjサセ@
セヲサャ{[H@
Ilk T L "Cl \ t:
hZセG
セ@
/;' '?
J5 "=:18'CC0.52g::
[:;:jsiid,0 r.:rt'·i:1¥"Jlt,jiJj[ nl'ij8f)t0 エZNャサiG[セ@
i),(;SJj G ;')\'"(t; t \
/kg ". 28'C ,"(O.64g.'\' /kg "-C fi:, i) .
L t:
'J:: fc|ヲセ@
t:
I)
;";/FCM,g/kg) I:X.J9 J5 W
1'l' ;Ii;tiVf;'l t.:K/FCM
14.48 • In CFCM.kg
5' /' ,{ ZWQAセN@
kg)
:]:
f[[:tE
0.806 '
ᄚゥャdZGカQIセoNWVYᄋ@
31.4) ^HZアェャ|イEゥjセヲエtQUk@
/FCM0
f:V)
'6 t;;')\
tfl. 5' /'; :7
ii0.4_1.1g/kgl:9
:: !;, :¥L セZL@
セゥャJZhMP@
:J
t.:
35
51
ffi
A'.IE5. D.R. and D.R. ERl"K : Effect of temperature on lamb performance and protein efficiency raito.
1. Allim. Sci .. 44.136140 In?
2 Dr"". !\.E.. J .A. SHELFORD. L.J. FISHER: Use of Cornell net carbohydrate and protein system and
rumenprotected LY$ine and Methionine to reduce nitrogen excretion from lactating dairty cows. J.
セ@ 1998)
Dairy Sci .. 81. 229-237
KCRIHARA. M .. 'vI. 'v1L'RAOKA and T. All : Effects of environmental temperature and feeding frequency
on physiological response';. milk production and energy utilization in lactating dairy cows, Proc, 8th
AAAP Anim, Sci. Cngrt'ss, Vol.2. 886·887 (19961
7i .1);'
•
?,*,Jf • jUt- セZ it .
:セ
サセイQ[|NVᆪ@
L t: :¥L'f" 0) セ」ェ@
{t (::
29, 21· 107 (1995)
NiJaMBヲゥZセQ@
2769 (1989)
'!:4UjL 4-42 (1994)
. rfl1::
セGN@
8
セoI
ゥGセN@
42. QセMVU@
/iJf 11: セ@
of ruminants in a hot environment A
セN@
.I.7·;:"""'-f-\':,\1l{
26. 89102 '1
12
13
ta|ヲセiBgN@
14"
ェヲセiQNᆪAャ@
Industry, 10. 60pp (1996)
review.
セ@
ヲセゥャgxZN@
1998:
10 SfHBATA, 'v1. : Factors affecting thermal baiance and
II
1990:
3.
**
(1989)
S. !\utrition management of dairy cows as a contribution to pollution control. J. Dairy Sci.,
75. 345·3571992
ャセG@
TA\I\fI"GA. S.. W.'v!. VA" STRAALE", A.P.1. SCB"EL. R.G.'v1. MEIJER, A. STEG. C.J.G. WEVER and
'v!.c. BLOK : The Dutch protein evaluation system: the DVE/OEDsystem. Livt's. Prod. Sci., 40,
139·155 1994\
16' TER,.\DA F. and 'vI. !vlt:RN)KA : Effect of heat stress on the efficiency of utilization of metabolizable
energy for lactat;on. Spain. Energy metabolism of farm animals (EAAP Pub, No.76), CSIC Publishing
Senice. 323326 '1994'
x:
697701
18
LケGiuoセ@
¥f1.
69,
QYセ@
I);;
!:\t.
iH;l\'l.{,·
[Lセゥエ@
セ@
[ゥZGNヲャHIᄋセ@
68,
163168 199 7
• li,(tli
19
7.::: ,·';:·iL!rC)",'\!
69. h20·624 199'
20
WRll,Hl
cow,. 1.
T.e. S.
DJln' SCI ..
:-'ll)SC\RLlI"1.
r.B,
LLI\IES. P.SlS'.IEL and B.W, .\1CI:lRIDE : Effects of
a:·d セ・、@イ
Intake en nitrogen balance and milk production in dairy
81. 7 84. 7 9, l'i'lS
211·255
i
197(3'
37
Effects of Environmental Temperature Conditions on Nitrogen
Excretion in Lactating Cows
Fuminori TERADA. Mitsunori KCRIHARA. Kouji HIGLCHl·. Agung plrセュャッadiG@
and Osamu ENISHl
(Department of Animal ,,"utrIllOn'
Summary
To clarify the effects of environmental temperature on nitrogen excretion in feces and urine, the results
of 64 nitrogen balance trials with 32 lactating cows conducted in environmentally controlled rooms (18'(60
%RH. 2S(60%RH) were mcd. The results obtained were a
March 1999
:z
Q.)
-0
:::s
•
Q.)
:::s
(J)
C
CD
0
»
:::s
3
Q.)
:::s
c..
c
(J)
-
"'<
National Institute of Animal Industry
(Ministry of Agriculture. Forestry & Fisheries)
IbaraKI, Japan
W
J:M
{[:: llilJ Nセヲイゥェ@
セ
SiS セ@
2/
J.,
f
m
iセ@
イスセ@
je
,>V.
*
1m
ヲゥp}セNャC@
7lff
Aセ@
fffi
IJ \
fEr
';Q;'
セ@
EB
;Zl
I
rp
}j:
goG
:&
2[:
1:.
iit
.セイ@ A!
rn
_ャセ@
]i.)
_I.:.'
till
i'T
{fr
W:
Yoshihiro YA:\IASHITA
DirectorGeneral, !\ational Institute of Animal Industry
Kunio YOKOUCHI
Director, Department of Reserch Planning and Coordination
Takao OISHI
Director. Department of Animal Breeding and Genetics
Takayashi KARIYA
Director. Department of Animal Reproduction
Kyohei OZUTSU:\U
Director, Department of Animal Physiology
Shinobu T A:\,ABE
Director, Department of Animal Nutrition
Hiroyasu :\,AKAI
Director, Department of Animal Products
セヲゥョッイオ@
ITO
Director, Department of Feeding and the Environment
(fr&:ll1f 3 fj)
I
§
il;(
I
... ,.... , ........... ,...... ,... ,..... , .. ェセ@
J
"{ : .7[::
0)
I
.. " ................. "" ....... IJ\f,f
イセG@
.
MWOセ@
QZFH[BAGtセヲ@
:
m·tlJ {jU·
;\l,n1:f(.7) セィQャエゥZ@
........... -...... " ...... セ@
,
NxZセ@
.:
.-
BULLETIN OF
NATIONAL INSTITUTE OF ANIMAL INDUSTRY
No. 59 (1999. 3)
coセtens@
Takao O!SHI and Hiroshi YASlE .
Porcine Genome Analysis Recent Progress [in Japanese) ..
Resercn Papers -
•Animal Physiology
Takeru KOBA YASHI. Hiroshi S..HO. Yasuhiko ::\ISHIGlCHI and Hi,ao IV.HASH! : Effects
of Rumen·bypass Amino Acids and Fat on Milk Production. Rumen Fermentation.
and Blood Components in Dairy Cows
................................................
.. 17
Animal セオエイゥッョ@
Makoro Y A"IAZA.Kr. Masayoshi Y.'.\'L'.Z.'.KI. Kousuke K ..\ WAI and Masaaki T AKE\lASA
: Comparative Effects of Different Forms of ::\itrogen Source· Protein. Protein
Hydrolysate and Amino Acid !.lixture on Egg Laying Performance of Hen ............... · .... 25
Fuminori TERADA, Mitsunori KURIHAR'., Kouji HrGlCHI. Agung PLR"m.1OADl and
Osamu E"rsHl : Effects of Environmental Temperature Conditions on ::\itrogen
Excretion in Lactating Cows
l: :
:?:l l \ C.
32JlJ'i 0) ゥセGAᆬ
oIGセCャゥェヲjZ|iエAイ@
t· C t!i!ilJ
t-
:: 0) セゥ@
, :: セQ@
:;,
ャIェQセゥiaZAエM
4- セ@
jfj
) 28 'c c ("; セ セ
fft lf1
j,' L t:: L tJ,
[NセL@
i:: if :; C
PF[Nセコゥ^GィWヲj|MZ@
;;28C::::bl \ c ilk L t: fJ>, JJKrFf'JfitIlJi:iJWiJO L.
t: 2 d'l{ ャAイセ@
J!i: ::: X'J"9 0 セhスオエャ@
A,. 0) セ@
# nnm?;li
fr;; JS C (;63% C iD '" t: fJQ8'C c (;'67% A,. "=
1]0 L t:
i 4 %.'fL セヲ@
Hi lE $L (FCM)lfl: iD t: I) 0)
Yt
A,.
Zセエjョャヲrゥ[fcmoIᄆ}ᆬO{@
"= "= S i=
セjZNo@
ヲォfBYセエjIN@
セ@
2
iHzi>';
T. J:§:i:\?,
d,,] ,*, FCM ji, 'R: セ@
セッj@ 'l'4 ,t1 ffi
.7 /' Oセ@ -7
I:: J:. :; C*li:c § 0 :: "= tJ'if; 2' h
lォセjAゥZヲ@
« , ゥセLDl@
J:. u,* tt' A,. 0)
セZX@
'1:
JセZMjエ|」@
;-&,(;;
Lt:c
t:
oセ@
セoICFqL]lMc
.ill! 0)
セ fT '" C :8 I), -:: 7.1 セ@ 0)
It fj't\, JQヲエセRゥG]jZNM」PI@
l \ C, セ[エJゥLャェN
[;1..1';:; t5 J:. ::5 fii: 0) j@
!it
PIセNイUhGヲ@
:rei J:. :::nSC60%C iD
it "= 1UJi iD t:
セ
m§'A L,
セ@
10]
(li1j-- セBゥ@
C 18e. 28C (1) Llt\-: セMZ「L|QGjN@
1,'''C 0 ゥセLD⦅@
{,:j セ
I;,
:fr
i),
QTZLイ[Aセ」@
::: ::J t· M」セヲLサ@
セ@
r"")
t'li'
199'1
1[,( {IT 2::
m,r.t \i1 0) セ@
.FOl !1: 2:: エMNセ@
'+'
ケセ@
"'*'
rl! ;1:5 J:: :" 4 % セl@ セョ@ t4,
'2:: rr ;': FCM 5j1 "1 ;'-
セNu@
エセ
iflJ: :tu::: 0) GセャN」AZ@
ェセヲN@
< ;::::,
::J セ@
f;;! J:J2
ff ゥセャ@ fA (J)
QエDセCt@
:: セ@ ") セ ヲセGイ@
L t:-:
Wf7:;l \T:(1, !.)SAS GLM7 0:'/:; f
. MilkoScan 133B. Foss Electric. DcnmarL:: J::
- ' ::
'J
i. セゥエーNクJャ@
セjェ@
'2::ii II:
1ff ヲjクセ}Z@
(CP) 1tf!i; 14.3
bHJt
GセwエヲゥFLZ@
0)
ゥヲセ@
g 1i h
エZェNrセ@
'2:: セサヲNoコL@
セNャZエ{ゥ\@
f4it {, l
,:t mセ
I:j.@]t£. ェセ@
16.5%DMc.n I). セᄆゥァjエ@
&;i
I: J:: 'J cfh t:-c
?t"f.i): i::B It {,
W'2:: mElltkl-f 2::g
'5tt:JH>tl7t!UU:: L. セゥjエ|ArGRZヲeャ@
WT c g '5 1
2:: ;", CD :J t:
.:.., tl エNセ@ tJ", i:, 6: t:.
1l+7i1'i\lO i:M-t {, CP
133%), 28C :: 112 Q6
B JセLェ}@
18'("C 116% : Xセ
ヲエG`[セZ@
. 87 1319 0 ) lit :J 1::
j:9
nOlJ
18C i:.lt
AGL|ャセゥァjエRXcB[@
6: i:,
I: J: {,.@ l \:; d:2Y)
:fLil1/::::*l13%. FCM.!R:i 15%jg;T L t:
Table 1. Perfocmance of lac"!1l1. C.o", ャセ@
balance trials
Em j,onmental temperature
Xo, of animals
Body weight, kg
Dry matter intake. xg
day
SE
28'(
l8C
32
32
594.3
587.!
1"7.45
1.7
"
15.33
0.23
Crude prOlcin coment in diets. %0\1
15.30
15.41
Milk yield, kg day
25,26
21.90
0.05
0.31' .
Milk composition, °0
Fal
3.66
3.53
003' ,
Protein
3.30
3,19
0.01' .
Feces, kg. day
37.70
32.09
0.78"
Urine, kg / day
14.13
14.75
0.46
....
MセN
セ@
SE : Slamiard errOr. " : p;
milk: F01' Yield "rld WI"' ;;ilwgcn
excretIOn face, セ@ urine
[W kg
FeH
34
1999.
;::13 i1 J5 i·£',.'iL't:0
i)sjii:F9' J5 C 1Jl fiiH.,.
セゥAU[エNイZjャィFェLG@
.
l"C セ@
WLH[セzᆬャZG@
IlK'i1"..
JGセYN@
QヲャZHセ|サLエj[ゥイG@
セェ[MiZエjUt@
"=:
0,
*'
5' /' J セ@ :7 'fjJ) セ
J[,4'
'flFfli: It,] 11 G f.L t::
V"c l \ セ@ t 0) "=: 'f"JIlfr C セ@ J5 l i)l l.
:J t!J 1;セエjゥQZhG[@
セ[IG@
b:;>
Zゥ\hDvIAェGャj[セエ、@
Wセゥw\Gᆪエ@
ゥエュZセ。イB@
u")
..... 1;,
'"Cl \ J5!:
,
UNGヲPI「スhjセa@
ttr:: :i,ji"" J5 エAjサセ@
セヲサャ{[H@
Ilk T L "Cl \ t:
hZセG
セ@
/;' '?
J5 "=:18'CC0.52g::
[:;:jsiid,0 r.:rt'·i:1¥"Jlt,jiJj[ nl'ij8f)t0 エZNャサiG[セ@
i),(;SJj G ;')\'"(t; t \
/kg ". 28'C ,"(O.64g.'\' /kg "-C fi:, i) .
L t:
'J:: fc|ヲセ@
t:
I)
;";/FCM,g/kg) I:X.J9 J5 W
1'l' ;Ii;tiVf;'l t.:K/FCM
14.48 • In CFCM.kg
5' /' ,{ ZWQAセN@
kg)
:]:
f[[:tE
0.806 '
ᄚゥャdZGカQIセoNWVYᄋ@
31.4) ^HZアェャ|イEゥjセヲエtQUk@
/FCM0
f:V)
'6 t;;')\
tfl. 5' /'; :7
ii0.4_1.1g/kgl:9
:: !;, :¥L セZL@
セゥャJZhMP@
:J
t.:
35
51
ffi
A'.IE5. D.R. and D.R. ERl"K : Effect of temperature on lamb performance and protein efficiency raito.
1. Allim. Sci .. 44.136140 In?
2 Dr"". !\.E.. J .A. SHELFORD. L.J. FISHER: Use of Cornell net carbohydrate and protein system and
rumenprotected LY$ine and Methionine to reduce nitrogen excretion from lactating dairty cows. J.
セ@ 1998)
Dairy Sci .. 81. 229-237
KCRIHARA. M .. 'vI. 'v1L'RAOKA and T. All : Effects of environmental temperature and feeding frequency
on physiological response';. milk production and energy utilization in lactating dairy cows, Proc, 8th
AAAP Anim, Sci. Cngrt'ss, Vol.2. 886·887 (19961
7i .1);'
•
?,*,Jf • jUt- セZ it .
:セ
サセイQ[|NVᆪ@
L t: :¥L'f" 0) セ」ェ@
{t (::
29, 21· 107 (1995)
NiJaMBヲゥZセQ@
2769 (1989)
'!:4UjL 4-42 (1994)
. rfl1::
セGN@
8
セoI
ゥGセN@
42. QセMVU@
/iJf 11: セ@
of ruminants in a hot environment A
セN@
.I.7·;:"""'-f-\':,\1l{
26. 89102 '1
12
13
ta|ヲセiBgN@
14"
ェヲセiQNᆪAャ@
Industry, 10. 60pp (1996)
review.
セ@
ヲセゥャgxZN@
1998:
10 SfHBATA, 'v1. : Factors affecting thermal baiance and
II
1990:
3.
**
(1989)
S. !\utrition management of dairy cows as a contribution to pollution control. J. Dairy Sci.,
75. 345·3571992
ャセG@
TA\I\fI"GA. S.. W.'v!. VA" STRAALE", A.P.1. SCB"EL. R.G.'v1. MEIJER, A. STEG. C.J.G. WEVER and
'v!.c. BLOK : The Dutch protein evaluation system: the DVE/OEDsystem. Livt's. Prod. Sci., 40,
139·155 1994\
16' TER,.\DA F. and 'vI. !vlt:RN)KA : Effect of heat stress on the efficiency of utilization of metabolizable
energy for lactat;on. Spain. Energy metabolism of farm animals (EAAP Pub, No.76), CSIC Publishing
Senice. 323326 '1994'
x:
697701
18
LケGiuoセ@
¥f1.
69,
QYセ@
I);;
!:\t.
iH;l\'l.{,·
[Lセゥエ@
セ@
[ゥZGNヲャHIᄋセ@
68,
163168 199 7
• li,(tli
19
7.::: ,·';:·iL!rC)",'\!
69. h20·624 199'
20
WRll,Hl
cow,. 1.
T.e. S.
DJln' SCI ..
:-'ll)SC\RLlI"1.
r.B,
LLI\IES. P.SlS'.IEL and B.W, .\1CI:lRIDE : Effects of
a:·d セ・、@イ
Intake en nitrogen balance and milk production in dairy
81. 7 84. 7 9, l'i'lS
211·255
i
197(3'
37
Effects of Environmental Temperature Conditions on Nitrogen
Excretion in Lactating Cows
Fuminori TERADA. Mitsunori KCRIHARA. Kouji HIGLCHl·. Agung plrセュャッadiG@
and Osamu ENISHl
(Department of Animal ,,"utrIllOn'
Summary
To clarify the effects of environmental temperature on nitrogen excretion in feces and urine, the results
of 64 nitrogen balance trials with 32 lactating cows conducted in environmentally controlled rooms (18'(60
%RH. 2S(60%RH) were mcd. The results obtained were a