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Mcdi.

P.r.n*d.

D.semh.r 2005.

hlB

130-135

tssN 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, Faculty

ofAnimal

Sciences, Bogor

Agricultu.al

Universiry

Jl. 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 meningkalkan

perfoman

ayaln petelur dan

kalldungan

vitaminA

dalam

telur

ayam yang

dipmduksi

dari ayam yang

diberi

ransum berkadar asam

fitat

tinggi

yang berasal dari dedak

padi.

Penelitian

ini menggmakan

162 ekor ayam petelur

stain

ISA-Brc*n

umur

l8

minggu dan

dipelihan

sampai urnur 33

minggu

Penelitian

ini

rancang'an acak

lergkap

(RAL)

pola

faktorial

dengan 3 ulangan, masing-masing ulangan

ierdid

atas 6 ekor

ayam.

Faktor p€rtama

(A)

adalah suplementasi Zn dalam bentuk

ZnO

(0,252

dan

567 mg

ZtrOlkg

.ansum),

fakor

kedua @) adalah suplementasi enzim fitas€ (0, 300 dan 4OJ

tlllit

fitase/kg ransum).

Data

p€rforman

ayam petelur

dianalisis sidik

ragam

(anallses

ofvariaacd

ANOVA),

s€dangkan data

vitaminAdalam

telur dianalisis

s€cara

deskiptif.

Hasil penelitian

menunjutkan

bahwa suplementlsi

ZrO

maupun enzim filase dalam ranslrm tidak

mempenga&hi

Foduksi

telur hen day, konsumsi ftulsum,

konversi

ransum dan bemt

telur.

Suplement

si

ZnO

maupun enzim fitase dalarn

laisum

merfngkatkan kardungan

vitaminA

dalam

telui

Telurayam

yang diberi l'ansum dengan p€dakuan supl€mentasi 252 mg

Z[O/kg

ransun nengandung

vitamin

A paling tlnge,

Katu kunci :

asam

Jital,

ftase,

zinc,

vita

in

A,

ayam

pelelxr

INTRODUCTION

Since the maj or ingredients in

mmmercial

poultry

diets are seed (cereal

gains)

or

seed

by

products

(oil

seed

meal

and

grain

by

products),

which

has phytic acid,

myo-inositol

1,2,3,4,5,6

hexakis dihydrogen

phosphate,

zinc

may be

th€

trac€ element where

its bioavailability

is most

inlluenced

(Komegat

2001). Zinc deficiency

rcsult€d in

loler

the rate

ofgrowtlu

ld

effrcierrcy

as well as egg production and d€p€ssed the

activity

ofplasrnaalkaline

phosphatase(McDowel,

l9g2\

The

nuhitional

status

ofzinc

influences

vitaminA

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-pplementationofphytase

enztfie

muld

improw

the performances

oflaying

hens and

inqrased

the

vitaminA

content in lhe egg.
(2)

MATERIALS

AND

METHODS

One hundrcd

sixty two laying

hens

oflsA-bmwn

from

l8

reeks

old

upto

33

aeeksoldwerc

divided

into 8

tteafnent

diets 6nd one

co loldiel

The tr€atrnent diels wer€:

m

=

Diet

wilbout

zinc nor phytase

enzFne

$rFlernenblior

Tl

=

Diet

T0 + 252 mg

Zrolkgdiet

T2

=

Diet

T0 + 567 mg

ziolkgdiel

T3

=

Det

m

+ 300

Unit

ph''tase €nzyrnelkg

diet

T4

=

Diet T0 + 400

Unit

ptr)',tase

enzyne&g diet

T5

=

DietTl

+ 300 Unit

ph]4as€en4me/kgdiet

T6

=

DetTl

+4oounitphytasceo4mdkgdiet

T7

=

Diet T2 + 300

Unit

phytase

enarnetg

diet

T8

=

Diet T2 + 400

Utit

phla$ enzlmdlq diet

M.di. pd.m.l8n

All

teatrnent

diets

wele formulated

as

to

contain isoprotein

and

isocaloric (Table

I

).

The

atrrou

ofzro sppkrrf'fed

in

fF

diets

\16

b6sed on the

molar ratio

ofphytic

acid: Zn in

the

diets

(Bosscher s, d/..

2001).

Tte

molar

Iado

ofphltic

acid:

Zn

hlhe

experiment diets

wer€:76

(t0),

15

c

), 7.5 Cr2), 76

(T3),

76

(r4),

I s

(r5),

I 5

Cr6),

7.5

(Tr,

7.5

(T8).

The

level

ofphyase

enzyme

added

into

the diels

was accorditrg to

r€.ommendation of BASF (2002).

A

completely randomized design

with

factorial

of3

x 3; 3

nplicaes

consisred

of2

facma,

i,e. factor

A

: 3 levels

ofzno

suplernentation (0,

252

mgatld

561

'drgz',o&ig

diet)

and

factor

B

was 3 levels

ofphytase

enzyrne

supplernentation

(0, 300 and 400

Unit ofphltase enztlre/kg

diet).

Table I

.

Composition

of

laying hen diets ( I 8

-

33 wecks of age)

hgrcdi€nr

T7 T6

'f1

TO

Palm

oil

CaCOr

Salt

zno (mc/kc)"

Phlrase (U&s) '?l

Tolal

Ellerey (kcal

Mgkg)

Crudc fib€r

Ca

Lysin€

zn(rtg*.g)

l5.m

15.00

50.00

50.00

13.20

13.20

6.m

6.00

1.to

7.10

8.30

8.30

0.30

0.30

0.10

0.10

-

252.N

100_m

lm.m

2859.0

2859.m

l?.t0

l7.ro

8.24

8.24

3.28

3.28

o.24

0.21

0.96

0.96

o.34

034

49.8

253.m

l5.m l5.m

15.00

50.m

50.00

50.m

t3.20 t3.20

t3.20

6.m 6.m

6m

?.10 7.10

7.10

8.30 8.30

8.30

0.30 0.30

0.30

0.10 0.10

0.10

567.m

-

3m.m

400.m

100.m 100.m tm.m

2859.m 2859.m

2859.m

l?.10

17.10

17.10

8,24 8.24

8.24

3.28 1.28

3.28

o.u

o.24

0.24

0.96 0.96

0.96

0.34 0.34

0.34

506.m

49,8

49.8

15.00

ls.m

50.m

50.00

13.20

13.20

6-m

6.m

7.10

7.lo

8.30

8.30

0.30

0.30

0,r0

0.10

252.6

252.U)

3m.m

4{o.m

lm.m

t00.&

2859.m

2859.m

17.10

17.10

8.24

8.U

3.28

3.28

o.u

o.z4

0.96

0.96

0.34

0.34

253.m

253.m

t5.00

l5.m

50.00

50_m

t3.20

13.20

6.m

6_00

?.10

7.r0

8.30

E_30

0.30

0.30

0.10

0.10

567.m

567.m

300.m

{n.m

lO.m

lm.m

2859.m

2859.m

17.10

r7.t0

8.U

8.24

3.2a

3.28

o.24

0.24

0.96

0.%

0.34

0.34

506.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]
(3)

The

vaiabels

observed were : egg

ploducdor!

fe€d

consumption,

feed

conversion,

egg

weight

and

vitaininA

conteDt in the

egg.

The

vitaminAwas

analysed at the

lrbomtory ofBalai

Besar

Indusli

Agro (BBIA)

Bogor

by

using Shimadzu

LC-6A

Liquid Chromathography

and

rctinol

acetate was

used as the standard.

RESULTS

AND DISCUSSIONS

Performrnces

of

Lrying

Hens

Th€ effect

of

zinc and phltase

enzyme

supplementation on hen day egg

pmduction,

fe€d

conslmptioq

feed conveNion and egg ueigtrt

fiom

age I 8

till

33 weeks

old

is presented in Table 2. The avemge

ofhen

day egg

production ranging

between

62.5%

-74.2'/o.

Piliang

et

ol. (1982a)

rcported dlar 79elo dcebran in tlrc diet tllat

cofiairFd

crude

fib€r

9.3yo gare 67.9yo hen

day

egg

production

In other rEsearch mnducted by

Piliang

er

dl. (1982b) using rice bran 75% in

the

diet

contained crude

fiber

7.9o/o, ga.re'|o.2o/ohen day

egg

production.

Tfre stalistical

arallsis

idicatd

no

signitrcaf

differences

among treatment

diets on

egg

poductio4

H

consurnptioq feed conversion

ard

INCREASING LAYING PERFORMANCES

eggweightho\

tt€rthe$pplemer{,atimofpl},tase

enz)4ne alone (400

Unit

phltase,&g diet) iDcr€ased the hen day egg

production

as compared to those

of

the control diet

(723%

and j0.9./o,

respectively).

Lim

et

al. (2003)

reported

that

supplemeffarion

of300

U ph)'tasr/ kg diet did

not

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 supplementation

of

252

mg

Znokg

diet

+

300

unit

ph''tasenq diet

increased the egg

production

as compared to

thal

of

the

control gonp

('14.2o/o

ar.d

70.9Vo

respectively). The supplementation

ofzinc

alone as u/ell as

zinc-phltse

combination produced heavier

egg

*€ight

as comparcd to that ofthe control

goup.

The control diet did not result a'ly

significrnt

deficiency sign io the laying hens performaaces,

it

could be due to the usage

offish

meal (6%) in

the

diet. FAO and

WHO

(2002) report€d that

animal

protein improve zinc absorption

ftom

a

phytate-contailing diet Th€

availabilityofzirE

fom

the

diet

can

tr

improved

by

inclusion

ofanimal protein

soutoes.

The supplanentation

ofthe

ph''tase

enzlme

could improved

the egg

production

and the egg

weighl

it could be due to rhe availabili ry

ofprorein

and amino acids as

well zinc

those were released

Table 2. Average hen day egg production, feed consumption, feed conversion and egg weight of laying

hens ages 18-33 weeks

old

zno

(nC/ke

dier)

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+1.4

0

69.514.6

0

68.2r.8

300

67.+!:7.1

400

12.3x8.8

30O

74.2.12.5

4m

62.5{.r

3m

63.6a13.8

4m

68.215.8

90.20:18.?7

81.23!3.69 a7.7614.30

92.789.A3

90.68a9.33 88.9716.11

8.{.9M.88

87.7118.80 45.2Or2.46

48.15l{.61

48.92rO.60 49.43+1.16

4936!n.62

49.2811.41

4839!n.7t

49.40t1.49 50.24+1.68

49.75'.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]
(4)

SUM'ATI & PILIANG

by the

phytase

enzlme 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.

These

potential

phytate-protein complexes may reduce th€

dilizationofpmtein

and

amim

acids. These

adt€n€

effects

ofphltic

acid were

effectively

overcome

by

supplemental

ph'4!se.

Leeson

&

Summers

(2001) reported that

Fotein

and amino acids, and

especially 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

acids

fiom

peptides, and hence these amino acids, inctuding melhionitE

wil

be available for tbe

laying

hens.

Rutherfurd et

ol-

(2004) reported that

supplementation

of

500

unit

ph)'tasel(g diet

significantly

inseased

the apparent amino acids digeslibility,

inctrding

the

metlionine,

in lhe

hoiler

chickens.

Vitrmitr

A

Content

in The Eggs

The

vitarninAcontat

in

tlF

eggs is presented in Table 3. Zinc supplemenlation in

$e

form

ofzinc

Table

3.

\4tamin

A content in the eggs

M.dir

P.r.n.kd

oxide 252

mgn€

diet or 567

mgl(g

diet

incrcaied

the

vitamin

A content

in

the eggs

of29.8l

% and

I 5.3 5olo

resp€ctively

as compared to the

control

group.

Ba.ker et

al.

(19?9) reponed lhat

zinc

is

required

for

release

ofvitamin

A ftom liver,

zinc

deficient

rats

have

low

serum

vitamid A.

Under,"vood

&

Suttle (2001) rcported that

low

plasmaviaminAvalues

inthep€sence of adequate dietary

vitarninA

occur in

zincieficiert

pigs.

Noh

&

Koo (2003) reported that zinc

status

is

an

imporh

hctor deEDnining dte intesinal absorprion

of

F

carotene and hence the

nutdtional

status

of

vitaminA.

Mc Dowell

( 1992) reporled

dut

zinc

mainlains normal

concenralion

of

viBminA

in

plasrDa and is necessary fot the normal

functioning

ofthe

ganeral epithelir.un

ofthe

ovary.

Phltas€ enzrme supplementation 400

Unit/

kg diet was more effecl.ive

lo

incr€ase the

viramin

A

content iD the

eggs as

compared

to

supplernantation

of300

Unit

phytase/kg diet

wilh

the increasing values

of

24,4lVo ond

5.920/.

respectively

as

compared to

the

control

grolp,

indicating

that ph''tase

enzlme

has succeeded

in

releasing zinc and lher€fore increased the

virarnin

A

iD the

eggs.

Sebastian et

a/. (1996) reported

that phytic acid was hydrolyzed

by

phyase

microbes

which

then rclease some minerals such

as Ca, P,

Mg, Cu

Zn

and Fe.

7no

Phuase

enzvrne

Vitamin

A

% lncreasing

of

Treatrnent

diets

(ms^sdiet)

tJnitfudierr (ru/100g)r

vitamin

A)

m

TI

T2

T3

T4

T5

T6

T7

T8

0 0 0 300 400

3m

400 300 400

0

252 567

0

0

252 252

5A

567

t34',t.3',7

1749.00

1554.r6 1427.t5

t6't6.21

1354.00

l4to.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]
(5)

The combination

ofzno

and ph)'tase

en4'rne

supplementation

in

the

diets

increas€d the egg

vitamin A content. Among

these treatrnents,

th€

combination of

567 mg

ZnOl

kg

diet + 400

uni!

phytaso&g

dia

gave the highest

vitaninAcontent

ofthe

eggs. This result

slbwed

dtat zirE is rcquir€d

in vitamin A

metaboli$n.

croff&

Cropp€r

(2000)

reported that zinc

deficiency

decreased

hepatic

mobilization

ofrctinol

from

its storage as

rctinyl

esters. The

activity ofthe

enzyme

retinyl

est€r

hydrolase,

which

releases

the

vitamin fiom its

stomge

fom,

may b€

inhibited

by the lack

ofzinc.

Leeson

&

Summers

(2001)

reported that

ph)siologically

etive

vitarnin

Ais

mobilized

ftom

the

liver

as

retinol which

is bound

to a

specific

ranspon prolein term€d the retinol binding

pmtein

(RBP). The delivery

o_f

vilamin A

to lissues

is

controlled

by

processes

which

control

the

production

and

s€detion

ofRBP

in the

liver.

CONCLUSIONS

The

supplementatio[

ofZnO

and ph]1ase

enz)'rne in the

laing

hen diets did not affe€t the hen

day 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 A

conGnt

up !o the highest valu€ as compared to lhe

conaol

group.

Pb,tas€ enzlme supplementation of400

Unil/

kg diet was

morr

effective

lo

increase the

vitamin

A

content

in

the

egg

as

compare

to

the

supplernentation

of300

Unit

ph),taso&g diet.

The

combination of

567 mg

ZnOl

kg diet + 400

unit

ph)'tase/kg

diet

gave the highest eggs

vitaminA

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 mineral

requirement.

Food and

Agriculaural

Organization

ofthe

United Narion and Wortd

Heal6

Organ ization, Rome.

Groff, J.L.

&

S.S.

cropper.

2000. Advanced

Nutrition

and

Human

Metabolis:n. 3d

Ed.

Australia

Canada

Dermark

Japan

Mexico

New Z€aland Wadsworth Thomson Leamints,

United States, United Kingdom.

Kornegay,

f,.T.

200

L

Digestion

of

phosphorus and other nutri€nts : the role of phytase and

fadors

influencing their

activity. ln

: M.R.

Bedford MR

&

cC

Partridge (Eds). Enzlme

in 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 supplementation

on

the

performance, egg

quality,

and phosphorus

excretion

oflayinghens

fed differet tevets

of

dietary calcium and nonph),tate phosphorus.

J.PoultSci.82:92-99.

McDowell,

L.R.

1992. Minenls

in

Animal

and

Human

Nutrition.

Academic

Press,Inc.

London.

Noh,

S.K,

&

S,I

Koo.

2003. Low zinc

intake decreases rhe lymphalic outpur

ofrelinol

in

rats 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

as

the major

ener$/ source

for

laying h€ns. Poult. Sci. 6 I

.3s7

-363.

Pili.ry, w'G,

S.

Djokowoerio,

&

lU.

Wasmen.

1982b. Pengaruh penambahan

berbagai

tingkat

kadar

Zn

dalam ransum

yang

mengandung dedak padi terhadap penampilan

serta

metabolisme

Zn

pada ayam-ayam

petelur.

Laporan

Penelitian. Direktorat

Pembinaan Penelitian dan PengaMian Pada

Masyarakat. DirektoratJenderal Pendidikan

Tinggi

Departemen Pendidikan

dan K€budayaan, Jakarta.

Rutherfurd, S,M., T.K. Chung,

P,C.H.

Morel

&

P.J.

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Table I . Composition of laying hen diets ( I 8 - 33 wecks of age)
Table 2. Average hen day egg production, feed consumption, feed conversion and egg weight of layinghens ages 18-33 weeks old
Table 3. \4tamin A content in the eggs

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