Mcdi.
P.r.n*d.
D.semh.r 2005.hlB
130-135tssN 0r26.047,
T...*rcdnai SK Dihri No: 26lDlKTl/(.p/2005
Increasirg
Laying Performances and
Egg
Vitamin A Content
Through Zinc Oxide and
Phytase
Enryme Supplem€ntation
Sumirti & W.G Piliang
Depertment
ofNutrition
and Fecd Technology, FacultyofAnimal
Sciences, BogorAgricultu.al
UniversiryJl. Agatis Kampus IPB Dannsga, Fakultas Pctemakao, IPB
Bogor
1 6680(Direrina 0l-09-2005; dise.ujlti
24-l
I-2005)
ABSTRAK
Tujuad penelitian
ini
adalah untuk meningkalkanperfoman
ayaln petelur dankalldungan
vitaminA
dalamtelur
ayam yangdipmduksi
dari ayam yangdiberi
ransum berkadar asamfitat
tinggi
yang berasal dari dedakpadi.
Penelitianini menggmakan
162 ekor ayam petelurstain
ISA-Brc*n
umurl8
minggu dandipelihan
sampai urnur 33minggu
Penelitianini
rancang'an acak
lergkap
(RAL)
polafaktorial
dengan 3 ulangan, masing-masing ulanganierdid
atas 6 ekorayam.
Faktor p€rtama(A)
adalah suplementasi Zn dalam bentukZnO
(0,252
dan567 mg
ZtrOlkg
.ansum),fakor
kedua @) adalah suplementasi enzim fitas€ (0, 300 dan 4OJtlllit
fitase/kg ransum).
Datap€rforman
ayam petelurdianalisis sidik
ragam(anallses
ofvariaacd
ANOVA),
s€dangkan datavitaminAdalam
telur dianalisis
s€caradeskiptif.
Hasil penelitian
menunjutkan
bahwa suplementlsiZrO
maupun enzim filase dalam ranslrm tidakmempenga&hi
Foduksi
telur hen day, konsumsi ftulsum,konversi
ransum dan bemttelur.
Suplement
siZnO
maupun enzim fitase dalarn
laisum
merfngkatkan kardunganvitaminA
dalamtelui
Telurayam
yang diberi l'ansum dengan p€dakuan supl€mentasi 252 mgZ[O/kg
ransun nengandungvitamin
A paling tlnge,
Katu kunci :
asamJital,
ftase,
zinc,
vita
in
A,
ayampelelxr
INTRODUCTION
Since the maj or ingredients in
mmmercial
poultry
diets are seed (cerealgains)
or
seedby
products
(oil
seedmeal
andgrain
byproducts),
which
has phytic acid,myo-inositol
1,2,3,4,5,6
hexakis dihydrogen
phosphate,zinc
may beth€
trac€ element where
its bioavailability
is most
inlluenced
(Komegat
2001). Zinc deficiency
rcsult€d in
loler
the rateofgrowtlu
ld
effrcierrcyas well as egg production and d€p€ssed the
activity
ofplasrnaalkaline
phosphatase(McDowel,
l9g2\
The
nuhitional
statusofzinc
influencesvitaminA
metabolism
in animals and humans (Noh& Koo,
2003).
The present study was conducted to
determine whether the supplementation
ofzno in
drc diets ard
fte
sr-pplementationofphytaseenztfie
muld
improw
the performancesoflaying
hens andinqrased
thevitaminA
content in lhe egg.MATERIALS
AND
METHODS
One hundrcd
sixty two laying
hensoflsA-bmwn
from
l8
reeks
oldupto
33aeeksoldwerc
divided
into 8tteafnent
diets 6nd oneco loldiel
The tr€atrnent diels wer€:m
=
Dietwilbout
zinc nor phytaseenzFne
$rFlernenblior
Tl
=
Diet
T0 + 252 mgZrolkgdiet
T2
=
Diet
T0 + 567 mgziolkgdiel
T3
=
Det
m
+ 300Unit
ph''tase €nzyrnelkgdiet
T4
=
Diet T0 + 400Unit
ptr)',taseenzyne&g diet
T5
=
DietTl
+ 300 Unitph]4as€en4me/kgdiet
T6
=
DetTl
+4oounitphytasceo4mdkgdiet
T7
=
Diet T2 + 300Unit
phytaseenarnetg
diet
T8
=
Diet T2 + 400Utit
phla$ enzlmdlq diet
M.di. pd.m.l8n
All
teatrnent
diets
wele formulated
asto
contain isoprotein
andisocaloric (Table
I).
The
atrrou
ofzro sppkrrf'fed
infF
diets\16
b6sed on themolar ratio
ofphytic
acid: Zn in
thediets
(Bosscher s, d/..
2001).
Tte
molar
Iadoofphltic
acid:
Znhlhe
experiment dietswer€:76
(t0),
15c
), 7.5 Cr2), 76(T3),
76(r4),
I s(r5),
I 5Cr6),
7.5
(Tr,
7.5(T8).
Thelevel
ofphyase
enzyme
added
into
the diels
was accorditrg to
r€.ommendation of BASF (2002).
A
completely randomized design
with
factorial
of3
x 3; 3nplicaes
consisredof2
facma,
i,e. factor
A
: 3 levelsofzno
suplernentation (0,
252
mgatld
561
'drgz',o&ig
diet)
andfactor
B
was 3 levelsofphytase
enzyrnesupplernentation
(0, 300 and 400Unit ofphltase enztlre/kg
diet).
Table I
.
Compositionof
laying hen diets ( I 8-
33 wecks of age)hgrcdi€nr
T7 T6
'f1
TO
Palm
oil
CaCOrSalt
zno (mc/kc)"
Phlrase (U&s) '?lTolal
Ellerey (kcal
Mgkg)
Crudc fib€r
Ca
Lysin€
zn(rtg*.g)
l5.m
15.0050.00
50.0013.20
13.206.m
6.001.to
7.108.30
8.300.30
0.300.10
0.10-
252.N
100_m
lm.m
2859.0
2859.ml?.t0
l7.ro
8.24
8.243.28
3.28o.24
0.210.96
0.96o.34
034
49.8
253.ml5.m l5.m
15.0050.m
50.00
50.mt3.20 t3.20
t3.206.m 6.m
6m
?.10 7.10
7.108.30 8.30
8.300.30 0.30
0.300.10 0.10
0.10567.m
-
3m.m
400.m100.m 100.m tm.m
2859.m 2859.m
2859.ml?.10
17.10
17.108,24 8.24
8.243.28 1.28
3.28o.u
o.24
0.240.96 0.96
0.960.34 0.34
0.34506.m
49,8
49.815.00
ls.m
50.m
50.0013.20
13.206-m
6.m
7.10
7.lo
8.30
8.300.30
0.300,r0
0.10252.6
252.U)3m.m
4{o.m
lm.m
t00.&
2859.m
2859.m17.10
17.108.24
8.U
3.28
3.28o.u
o.z40.96
0.960.34
0.34253.m
253.mt5.00
l5.m
50.00
50_mt3.20
13.206.m
6_00?.10
7.r08.30
E_300.30
0.300.10
0.10567.m
567.m300.m
{n.m
lO.m
lm.m
2859.m
2859.m17.10
r7.t0
8.U
8.243.2a
3.28o.24
0.240.96
0.%0.34
0.34506.m
506.m,) zno (conrains 8Ov' zn), PT. INDoLYSAGHT, Ja*aru.
0 Phlrasc cn4rn. Natuphos 5000
c
(contains 5000 u/g) (Ec 3. L3.8), PT BASF,Jskri8.
[image:2.595.93.521.362.675.2]The
vaiabels
observed were : eggploducdor!
fe€dconsumption,
feedconversion,
eggweight
andvitaininA
conteDt in theegg.
ThevitaminAwas
analysed at thelrbomtory ofBalai
BesarIndusli
Agro (BBIA)
Bogor
byusing Shimadzu
LC-6A
Liquid Chromathography
andrctinol
acetate wasused as the standard.
RESULTS
AND DISCUSSIONS
Performrnces
ofLrying
Hens
Th€ effect
of
zinc and phltase
enzyme
supplementation on hen day egg
pmduction,
fe€dconslmptioq
feed conveNion and egg ueigtrtfiom
age I 8
till
33 weeksold
is presented in Table 2. The avemgeofhen
day eggproduction ranging
between
62.5%
-74.2'/o.
Piliang
etol. (1982a)
rcported dlar 79elo dcebran in tlrc diet tllatcofiairFd
crude
fib€r
9.3yo gare 67.9yo hen
day
egg
production
In other rEsearch mnducted byPiliang
er
dl. (1982b) using rice bran 75% in
the
diet
contained crude
fiber
7.9o/o, ga.re'|o.2o/ohen dayegg
production.
Tfre stalistical
arallsis
idicatd
nosignitrcaf
differences
among treatment
diets on
egg
poductio4
H
consurnptioq feed conversionard
INCREASING LAYING PERFORMANCES
eggweightho\
tt€rthe$pplemer{,atimofpl},tase
enz)4ne alone (400Unit
phltase,&g diet) iDcr€ased the hen day eggproduction
as compared to thoseof
the control diet
(723%
and j0.9./o,
respectively).
Lim
et
al. (2003)
reported
that
supplemeffarion
of300
U ph)'tasr/ kg diet didnot
affect the hen day egg
production
oflsA-bmwn
hens
of2l
weeks old up to 30 w€€ks otd(72.66%
vs 75.25%0). It was found that supplementationof
252mg
Znokg
diet+
300unit
ph''tasenq diet
increased the eggproduction
as compared tothal
of
the
control gonp
('14.2o/o
ar.d
70.9Vorespectively). The supplementation
ofzinc
alone as u/ell aszinc-phltse
combination produced heavieregg
*€ight
as comparcd to that ofthe controlgoup.
The control diet did not result a'lysignificrnt
deficiency sign io the laying hens performaaces,
it
could be due to the usageoffish
meal (6%) inthe
diet. FAO and
WHO
(2002) report€d thatanimal
protein improve zinc absorption
ftom
aphytate-contailing diet Th€
availabilityofzirE
fom
thediet
cantr
improved
byinclusion
ofanimal protein
soutoes.The supplanentation
ofthe
ph''taseenzlme
could improved
the eggproduction
and the eggweighl
it could be due to rhe availabili ryofprorein
and amino acids aswell zinc
those were releasedTable 2. Average hen day egg production, feed consumption, feed conversion and egg weight of laying
hens ages 18-33 weeks
old
zno
(nC/kedier)
tunivt<g
PY:':'"
(g/hen/day) (g feqvs €88)Egg weight
Gr.rns/.ss)
TO
TI
I2
T3
-t4
T5
T6
'tl
T8
0
252
56',1
o 0
252 252
567 567
0
70.9+1.40
69.514.60
68.2r.8
300
67.+!:7.1400
12.3x8.830O
74.2.12.54m
62.5{.r
3m
63.6a13.84m
68.215.890.20:18.?7
81.23!3.69 a7.7614.30
92.789.A3
90.68a9.33 88.9716.11
8.{.9M.88
87.7118.80 45.2Or2.4648.15l{.61
48.92rO.60 49.43+1.16
4936!n.62
49.2811.41
4839!n.7t
49.40t1.49 50.24+1.6849.75'.1.u
2.E6r0.38 2.76!0.08 2.92!n.37 3.06c0.20 2.79!4.24 2.661{).26 3.0310.08
32b4.79
[image:3.595.73.517.517.692.2]SUM'ATI & PILIANG
by the
phytaseenzlme from
the complexes
of
phytate-ptoteir/amino
acids
-
zinc. Komegay
(2001) repofted tlrat phyfale crn bind
wilh
proteii/
arnino
acids. These
complexes may occur in
foodstufrs in the native staie, and may be formed
in
the upper
gastroinlestinal tract.
Thesepotential
phytate-protein complexes may reduce th€
dilizationofpmtein
andamim
acids. Theseadt€n€
effects
ofphltic
acid wereeffectively
overcome
by
supplemental
ph'4!se.
Leeson
&
Summers
(2001) reported that
Fotein
and amino acids, andespecially medrionine, lrave a large inlhrence on egg
size.
Underwood
&
Suttle (2001) rcported
that
carboxypeptidases
A
and
B
ar€
zinc
metallo-enrymes those are rcquired !o hydrclise
fie
amino
acidsfiom
peptides, and hence these amino acids, inctuding melhionitEwil
be available for tbelaying
hens.
Rutherfurd et
ol-
(2004) reported that
supplementation
of
500
unit
ph)'tasel(g diet
significantly
inseased
the apparent amino acids digeslibility,inctrding
themetlionine,
in lhehoiler
chickens.
Vitrmitr
A
Content
in The Eggs
The
vitarninAcontat
intlF
eggs is presented in Table 3. Zinc supplemenlation in$e
formofzinc
Table
3.
\4tamin
A content in the eggsM.dir
P.r.n.kd
oxide 252
mgn€
diet or 567mgl(g
dietincrcaied
thevitamin
A contentin
the eggsof29.8l
% andI 5.3 5olo
resp€ctively
as compared to thecontrol
group.
Ba.ker etal.
(19?9) reponed lhat
zinc
is
required
for
releaseofvitamin
A ftom liver,
zinc
deficient
rats
have
low
serum
vitamid A.
Under,"vood
&
Suttle (2001) rcported that
low
plasmaviaminAvalues
inthep€sence of adequate dietaryvitarninA
occur inzincieficiert
pigs.Noh
&
Koo (2003) reported that zinc
status
is
animporh
hctor deEDnining dte intesinal absorprionof
F
carotene and hence thenutdtional
statusof
vitaminA.
Mc Dowell
( 1992) reporleddut
zinc
mainlains normal
concenralion
of
viBminA
in
plasrDa and is necessary fot the normalfunctioning
ofthe
ganeral epithelir.unofthe
ovary.Phltas€ enzrme supplementation 400
Unit/
kg diet was more effecl.ivelo
incr€ase theviramin
A
content iD the
eggs as
compared
to
supplernantation
of300
Unit
phytase/kg dietwilh
the increasing values
of
24,4lVo ond
5.920/.respectively
ascompared to
thecontrol
grolp,
indicating
that ph''taseenzlme
has succeededin
releasing zinc and lher€fore increased thevirarnin
A
iD theeggs.
Sebastian eta/. (1996) reported
that phytic acid was hydrolyzed
by
phyase
microbes
which
then rclease some minerals suchas Ca, P,
Mg, Cu
Zn
and Fe.7no
Phuaseenzvrne
Vitamin
A
% lncreasingof
Treatrnentdiets
(ms^sdiet)
tJnitfudierr (ru/100g)r
vitaminA)
m
TI
T2
T3
T4
T5
T6
T7
T8
0 0 0 300 400
3m
400 300 400
0
252 5670
0
252 2525A
567t34',t.3',7
1749.00
1554.r6 1427.t5
t6't6.21
1354.00l4to.22
14\2.13
t&2.o7
29.81 15.35
5.92
24.4r
o.49 4.66 4.85
18.90
' Fresh ega $ilhout shell
[image:4.595.94.524.512.684.2]The combination
ofzno
and ph)'taseen4'rne
supplementation
in
thediets
increas€d the eggvitamin A content. Among
these treatrnents,th€
combination of
567 mgZnOl
kg
diet + 400uni!
phytaso&g
dia
gave the highestvitaninAcontent
ofthe
eggs. This resultslbwed
dtat zirE is rcquir€din vitamin A
metaboli$n.
croff&
Cropp€r(2000)
reported that zinc
deficiency
decreasedhepatic
mobilization
ofrctinol
from
its storage asrctinyl
esters. The
activity ofthe
enzyme
retinyl
est€rhydrolase,
which
releasesthe
vitamin fiom its
stomgefom,
may b€inhibited
by the lackofzinc.
Leeson
&
Summers
(2001)
reported that
ph)siologically
etive
vitarninAis
mobilizedftom
the
liver
asretinol which
is bound
to aspecific
ranspon prolein term€d the retinol binding
pmtein
(RBP). The delivery
o_fvilamin A
to lissues
iscontrolled
by
processes
which
control
the
production
ands€detion
ofRBP
in theliver.
CONCLUSIONS
The
supplementatio[
ofZnO
and ph]1aseenz)'rne in the
laing
hen diets did not affe€t the henday egg production, feed consumption,
feed
convenion
its
well
as the egg
weiglt.
Zinc
supplemenution in the form
ofoxide of252
n€&g
diet increased$e
eggs r itamin AconGnt
up !o the highest valu€ as compared to lheconaol
group.Pb,tas€ enzlme supplementation of400
Unil/
kg diet wasmorr
effectivelo
increase thevitamin
A
content
in
the
egg
as
compare
to
the
supplernentation
of300
Unit
ph),taso&g diet.The
combination of
567 mgZnOl
kg diet + 400unit
ph)'tase/kg
diet
gave the highest eggsvitaminA
INCREASING IAYING PERFORMANCES
R
Dewilde
&
H.
De€btrr.
2001.
Ir
vitro
availability of
zinc
from
infant foods with
increasing
ph)lic
acid
contenls. British
J.Nutr. 86
|
1246-
1251.FAO
&
WHO. 2002.
Human vitamin and mineralrequirement.
Food and
Agriculaural
Organization
ofthe
United Narion and WortdHeal6
Organ ization, Rome.Groff, J.L.
&
S.S.
cropper.
2000. Advanced
Nutrition
and
HumanMetabolis:n. 3d
Ed.Australia
CanadaDermark
JapanMexico
New Z€aland Wadsworth Thomson Leamints,United States, United Kingdom.
Kornegay,
f,.T.
200L
Digestionof
phosphorus and other nutri€nts : the role of phytase andfadors
influencing their
activity. ln
: M.R.
Bedford MR
&
cC
Partridge (Eds). Enzlmein Farm Anirnal
Nutrition.
CAB Intemational, Marlborough.Iaeson,
S.&
J.D. Sumners.200l.
Nutririon
of
the Chicken. 4dEd. UniveNity Books,cuelph,
Ontario.
Lim,
H,S,,
H.
Nrmkung
&
I.K,
Paik.
2003.Effects
of
phylase supplementationon
theperformance, egg
quality,
and phosphorusexcretion
oflayinghens
fed differet tevetsof
dietary calcium and nonph),tate phosphorus.
J.PoultSci.82:92-99.
McDowell,
L.R.
1992. Minenls
inAnimal
andHuman
Nutrition.
Academic
Press,Inc.
London.
Noh,
S.K,
&
S,I
Koo.
2003. Low zinc
intake decreases rhe lymphalic outpurofrelinol
inrats infirsed intraduodenally withg - carotene.
J.
Nutr.Biocfi€m.
14 : 147-153.Piliang,
w'G, H.R
Bird, M.L.
Surde,
&
D.J.
Pringle.
1982a.
Rice bran
asthe major
ener$/ source
for
laying h€ns. Poult. Sci. 6 I.3s7
-363.
Pili.ry, w'G,
S.Djokowoerio,
&
lU.
Wasmen.1982b. Pengaruh penambahan
berbagaitingkat
kadar
Zn
dalam ransum
yang
mengandung dedak padi terhadap penampilanserta
metabolisme
Zn
pada ayam-ayam
petelur.
Laporan
Penelitian. Direktorat
Pembinaan Penelitian dan PengaMian PadaMasyarakat. DirektoratJenderal Pendidikan
Tinggi
Departemen Pendidikan
dan K€budayaan, Jakarta.Rutherfurd, S,M., T.K. Chung,
P,C.H.
Morel
&
P.J.Mough.n,2004.
Etrectofmicrobial
phytase
on
ileal
digestibility
of
phytate
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S,H.
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Z. Lu,
G
J|msens, M,Y.
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H.
DeRycke'
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a
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lor
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E.R
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P.c. Lsgue.
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levels
on growth
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