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Page 1: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

C O B B - V A N T R E S S . C O M

Breeder ManagementSupplement

Page 2: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)
Page 3: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Management must not only meet the basic needs of the stock but also be fine tuned toattain the full potential of the breed. Our recommendations in this booklet are based oncurrent scientific knowledge and practical experience, and reflect the genetic potentialof the Cobb hen based on Total Egg and Hatch Percent records taken from the top 25%of Cobb flocks worldwide.

This booklet should be used as a guide only, and adapted locally according to your ownexperience when projecting performance from all flocks in a particular operation.You should be aware of any local legislation which may influence the managementpractices that you should choose to adopt.

Please contact your Cobb Technical Representative for further assistance.

Cobb is dedicated to selection of breeds for health, welfare and performance traits andcontinues to expand the variety of breed crosses to meet global customer expectations.Today’s modern breeder chickens are more efficient, more productive, and more robustthan prior generations of chickens. This progress is due to improved genetics andadvances in husbandry methods that enhance the longevity, welfare outcomes andperformance of breeder chickens at rearing and laying farms.

This Cobb Breeder Management Supplement is to be used in conjunction with the CobbBreeder Management Guide to assist you in building your management program.

Breeder Management

Page 4: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Breeder ManagementBreeder Performance

Age at depletion (weeks) 60 65

(days) 420 455

Age at 5% production (weeks) 25 25

(days) 175 175

Peak production (%) 86 86

Total eggs/hen housed 165.7 183.4

Hatching eggs/hen housed (50g minimum) 161.3 178.5

Peak hatchability (%) 90 90

Cumulative hatchability (%) 85.3 84.5

Broiler chicks/hen housed 137.4 150.6

Livability from 25 weeks (%) 93.5 93.3

Dark Out Open Sided

Female body weight (25 weeks) (kg) 3.22 3.31

(lb) 7.10 7.29

Female body weight (60 weeks) (kg) 4.19 4.27

(lb) 9.23 9.40

Female body weight (65 weeks) (kg) 4.24 4.32

(lb) 9.34 9.51

Page 5: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Female Body WeightsDark-Out Rearing

Between 2 to 22 weeks, weights are taken when birds don't have feed in their crop (dry body weight)or at least 6-7 hours after the last feeding. Another option is to weigh the birds after the lights comeon and before feeding takes place. (Please consult with your Cobb Technical Advisor for feed andlight programs.) Weights correspond to the weekly anniversary date.

Please refer to the Cobb Breeder Management Guide for general flock management recommendations,uniformity management, and guidelines concerning post peak feeding. Flock uniformity of 68-78% or8-10% CV is preferred by 15-16 weeks to achieve proper condition prior to light stimulation.

0714212835424956637077849198105112119126133140147154161168175

15028541055066076086096010601150124013301420151516151725185520052170235025302700296031203220

0.330.630.901.211.461.681.902.122.342.542.732.933.133.343.563.804.094.424.785.185.585.956.536.887.10

784434201513121088777767889127654

Body WeightBody WeightAgedays weeks Gain %g lb

12345678910111213141516171819202122232425

Page 6: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Female Body WeightsOpen Sided Rearing

0714212835424956637077849198105112119126133140147154161168175

15028541055066076086096010601150124013301440155016651785191520752245243026002770303031803305

0.330.630.901.211.461.681.902.122.342.542.732.933.173.423.673.944.224.574.955.365.736.116.687.017.29

784434201513121088788777789116654

Body WeightBody WeightAgedays weeks Gain %g lb

12345678910111213141516171819202122232425

Between 2 to 22 weeks, weights are taken when birds don't have feed in their crop (dry body weight)or at least 6-7 hours after the last feeding. Another option is to weigh the birds after the lights comeon and before feeding takes place. (Please consult with your Cobb Technical Advisor for feed andlight programs.) Weights correspond to the weekly anniversary date.

Please refer to the Cobb Breeder Management Guide for general flock management recommendations,uniformity management, and guidelines concerning post peak feeding. Flock uniformity of 68-78% or8-10% CV is preferred by 15-16 weeks to achieve proper condition prior to light stimulation.

Page 7: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Female Adult Body Weights

2526272829303132333435363738394041424344454647484950515253545556575859606162636465

32203320341035003590366037003735377038003830385538803900392039403955397039854000401540304045406040754085409541054115412541354145415541654175418541954205421542254235

7.107.327.527.727.918.078.168.238.318.388.448.508.558.608.648.698.728.758.798.828.858.888.928.958.989.019.039.059.079.099.129.149.169.189.209.239.259.279.299.319.34

33053405349535853675374537853820385538853915394039653985400540204035405040654080409541104125414041554165417541854195420542154225423542454255426542754285429543054315

7.297.517.717.908.108.268.348.428.508.568.638.698.748.798.838.868.908.938.968.999.039.069.099.139.169.189.209.239.259.279.299.319.349.369.389.409.429.459.479.499.51

Open Sided Body WeightDark Out Body WeightAge inweeks g lb g lb

Page 8: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Egg Weights and Grading

Egg weights are dependent on the bodyweight and production level of the hens, as well as the levelof nutrition being fed to the flock. These numbers are a guide only, and could vary considerablyaccording to management conditions.

2526272829303132333435363738394041424344454647484950515253545556575859606162636465

Egg Wtg Small 2 Yolk Cull

EGG GRADING %Hairline Cracked Floor Eggs

51.153.054.956.858.559.860.661.562.363.164.064.664.965.465.666.166.566.967.467.868.168.368.468.668.868.969.269.369.569.769.869.869.970.170.270.370.570.770.870.870.9

11.77.83.72.00.80.50.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

8.75.83.23.01.71.00.50.30.30.30.20.20.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

3.02.01.00.70.50.50.40.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.2

5.13.41.61.00.80.80.80.70.70.70.80.80.90.90.90.90.91.01.01.01.01.01.01.01.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.11.1

1.51.00.50.30.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.40.40.40.40.40.40.40.40.40.40.40.4

40.025.015.010.07.03.02.52.52.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.0

Age inweeks

Page 9: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

5.023.053.074.083.085.586.085.584.584.083.082.081.080.079.077.577.075.574.573.072.071.070.069.068.067.066.065.064.063.062.061.060.059.058.057.056.055.054.053.052.0

0.250.550.951.351.651.952.222.472.722.973.223.473.723.974.174.374.574.774.975.175.375.475.575.675.775.875.976.046.126.206.256.306.356.406.456.506.556.606.656.706.75

0.21.85.510.616.322.228.133.939.745.451.056.562.067.472.777.883.088.093.097.8102.6107.3111.9116.5121.0125.4129.7134.0138.2142.3146.4150.4154.3158.2162.0165.7169.4173.0176.5180.0183.4

2526272829303132333435363738394041424344454647484950515253545556575859606162636465

1.719.649.370.378.982.983.983.482.481.981.380.479.478.477.476.075.574.073.071.570.669.668.667.666.665.564.563.662.661.660.659.758.757.756.655.654.653.652.751.750.7

55.085.093.095.095.097.097.597.597.597.598.098.098.098.098.098.098.098.098.098.098.098.098.098.098.097.897.897.897.897.897.897.897.897.897.597.597.597.597.597.597.5

0.11.54.99.715.220.926.632.337.943.549.054.459.865.070.275.380.485.390.194.999.6104.2108.7113.2117.6121.9126.1130.3134.4138.5142.4146.4150.2154.0157.7161.3164.9168.4171.8175.2178.5

Breeder PerformanceAge in Weeks

Total Eggs(%HW)

HatchingEggs (%HW)

MortalityCum. (%)

% HE(Weekly)

Total Eggs(HH)

HatchingEggs (HH)

Page 10: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

75.080.082.084.085.086.087.088.089.090.089.589.088.588.087.587.086.586.185.785.585.285.084.784.584.284.083.783.283.082.782.281.781.280.679.979.178.477.676.976.175.4

90.093.094.095.095.596.096.596.596.796.796.796.796.696.696.596.596.496.296.296.196.196.095.795.595.295.094.794.494.294.193.893.393.092.491.790.990.389.588.988.187.4

83.386.087.288.489.089.690.291.292.093.192.692.091.691.190.790.289.789.589.189.088.788.588.588.588.488.488.488.188.187.987.687.687.387.287.187.086.886.786.586.486.3

0.11.12.84.14.64.95.05.05.05.04.94.84.74.64.54.44.44.24.24.14.03.93.83.83.73.63.63.53.43.33.33.23.13.03.02.92.82.72.62.62.5

2526272829303132333435363738394041424344454647484950515253545556575859606162636465

75.079.681.382.683.584.284.885.385.986.486.887.087.187.287.287.287.287.187.086.986.986.886.786.686.586.486.386.286.186.085.985.885.785.685.485.385.185.084.884.784.5

90.091.592.393.093.593.994.394.694.895.095.195.395.495.595.595.695.695.795.795.795.795.895.795.795.795.795.795.695.695.595.595.495.395.295.195.094.994.794.694.494.3

83.387.088.088.989.389.689.990.390.691.091.291.391.391.391.391.291.191.090.990.890.790.690.590.590.490.390.390.290.190.190.090.089.989.989.889.889.789.789.789.789.6

0.11.24.08.012.617.522.527.532.537.542.447.251.956.561.165.569.874.178.282.386.390.294.097.8101.5105.1108.7112.1115.5118.9122.2125.4128.5131.5134.5137.4140.2142.9145.5148.1150.6

34.736.037.338.639.840.741.241.842.442.943.543.944.144.544.644.945.245.545.846.146.346.446.546.646.846.947.147.147.347.447.547.547.547.747.747.847.948.148.148.148.2

Breeder Flock Fertility, Hatchability & Chick WeightAge inWeeks

Chick Wt.gWeekly Cum. Weekly Cum. Weekly Cum. Weekly Cum.

Hatch of fertiles (%) Chick no./hen housedHatchability (%) Fertility (%)

Page 11: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

90.093.094.095.095.596.096.596.596.796.796.796.796.696.696.596.596.496.296.296.196.196.095.795.595.295.094.794.494.294.193.893.393.092.491.790.990.389.588.988.187.4

75.080.082.084.085.086.087.088.089.090.089.589.088.588.087.587.086.586.185.785.585.285.084.784.584.284.083.783.283.082.782.281.781.280.679.979.178.477.676.976.175.4

10.07.06.05.04.54.03.53.53.33.33.33.33.43.43.53.53.63.83.83.93.94.04.34.54.85.05.35.65.85.96.26.77.07.68.39.19.710.511.111.912.6

0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

2526272829303132333435363738394041424344454647484950515253545556575859606162636465

6.95.95.44.94.64.44.23.73.32.83.03.33.53.73.94.24.44.44.64.74.84.94.94.94.94.94.95.05.05.15.25.25.35.35.35.35.35.35.45.45.4

7.76.66.15.65.45.14.84.33.93.43.73.94.14.44.64.85.05.25.45.45.65.65.65.65.65.65.65.75.75.85.95.96.06.06.06.06.16.16.16.16.1

83.386.087.288.489.089.690.291.292.093.192.692.091.691.190.790.289.789.589.189.088.788.588.588.588.488.488.488.188.187.987.687.687.387.287.187.086.886.786.586.486.3

Hatchery InformationAge in Weeks

Fertility%

Hatchability% Infertile Early Mid Late

HOF%

EMBRYODIAGNOSIS %

Page 12: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

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Page 13: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)
Page 14: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

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e Nu

mbe

r:

%BW

BW

2765

tch

Hal

Actu

aleM

a

et B

Wg

arTle

Mab

MV

Cob

eed

Fle

Ma

lAc

tuale

ema

F

ula

ht S

timt L

ige

aAg

y Nu

mbe

r:oi

nt-o

f-la

P

ed:

rer

ansf

er

Num

ber T

ed:

vte

Mo

Da

arm

:ee

der F

Br

%tch

43o.

teN

leem

aF

Da(w

ks)

geA

tion:

ula

y Nu

mbe

r:le

ema

F

ed:

leem

aF

leem

aF

k S

easo

no.

4065

3985

ofBW O

utem

aF

Seas

onBW

Inleem

aF

eed

Fle

ema

Fee

/wod

Pr% E

gg

Nle

Ma

leM

aleM

aleM

a

Hous

e Nu

mbe

r:

BWBW

4335

4065

Actu

aleM

a

et B

Wg

arTle

Mab

MV

Cob

eed

Fle

Ma

lAc

tuale

ema

F

Sea

son

BW O

utleem

a

%BW

tch

Hal

Actu

ale

27262524232221

3495

3410

3405

3320

3305

3220

3180

3120

3030

2960

2770

2700

2600

2530

3770

3690

3600

3470

3340

3050

2905

50494847464544

4165

4085

4155

4075

4140

4060

4125

4045

4110

4030

4095

4015

4080

4000

4495

4165

4470

4155

4450

4140

4430

4125

4405

4110

4380

4095

4360

4080

3534333231302928

3915

3830

3885

3800

3855

3770

3820

3735

3785

3700

3745

3660

3675

3590

3585

3500

4155

4130

4110

4090

4060

4020

3950

3860

5857565554535251

4245

4165

4235

4155

4225

4145

4215

4135

4205

4125

4195

4115

4185

4105

4175

4095

4675

4245

4655

4235

4630

4225

4610

4215

4585

4205

4565

4195

4540

4185

4515

4175

4241403938373635

4050

3970

4035

3955

4020

3940

4005

3920

3985

3900

3965

3880

3940

3855

3915

3830

4315

4290

4270

4245

4220

4200

4175

4155

6564636261605958

4315

4235

4305

4225

4295

4215

4285

4205

4275

4195

4265

4185

4255

4175

4245

4165

4835

4315

4810

4305

4790

4295

4765

4285

4745

4275

4720

4265

4700

4255

4675

4245

Page 15: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)
Page 16: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Cobb

500™

SF

Par

ent R

earin

g M

anag

emen

t Rec

ord

(P

ound

s)

Com

pany

:

Rear

ing

Farm

:

Plac

emen

t Dat

e:Fe

mal

eM

ale

Num

ber P

lace

d:Fe

mal

eM

ale

Bree

der F

arm

:

Date

Mov

ed:

Fem

ale

Mal

e

Num

ber T

rans

ferr

ed:

Fem

ale

Mal

e

Poin

t-of-l

ay N

umbe

r:Fe

mal

eM

ale

Betw

een

2 to

22

wee

ks, w

eigh

ts a

re ta

ken

whe

n bi

rds

don’

t hav

e fe

ed in

thei

r cro

p (d

ry b

ody

wei

ght)

or a

t lea

st 6

-7 h

ours

afte

r the

last

feed

ing.

AGE

WEE

KS1

23

45

67

89

1011

1213

1415

1617

1819

2021

2223

2425

DAYS

07

1421

2835

4249

5663

7077

8491

9810

511

211

912

613

314

014

715

416

116

817

5

FEMALEBODY WEIGHT

In

Sea

son

(D

ark-

out)

Ou

t of

Se

ason

FEMALEFEED

FEMALEMORTALITY

MALEBODY WEIGHT

Co

bb

MV

Male

MALEFEED

MALEMORTALITY

y:Co

mpa

n

arm

:ee

der F

Br

Hous

e Nu

mbe

r:

Num

ber P

lace

d:le

ema

F

te:

leem

aF

Plac

emen

t Da

arm

:ea

ring

F FaR

y:Co

mpa

n

Betw

S (Dar

k-ou

t)In

Sea

son

etar

gT

AYDWEE

KSE

AG

Ma

Ma

Hous

e Nu

mbe

r:

hts

arei

g, w

ksee

een

2 to

22

wBe

tw

28

0.90

1.21

0.33

0.63

2114

70

43

21

leM

aleM

a

Hous

e Nu

mbe

r:

e f

vt h

a’

en w

hen

bird

s do

nk

e ta

hts

ar

63 2.34

1.90

2.12

1.46

1.68

5649

4235

98

76

5

y Nu

mbe

r: eig

y w

y bo

dop

(dr

eed

in th

eir c

r f e

oint

-of-l

aP

ed:

rer

ansf

rNu

mbe

r T

ed:

vte

Mo

Da

arm

:ee

der F

Br

98

3.13

3.34

2.73

2.93

2.54

9184

7770

1413

1211

10

y Nu

mbe

r:

t lea

st 6

-7 h

ours

afte

r the

last

fht

) or a

eig

leem

aF

ed:

leem

aF

leem

aF

133

4.78

4.09

4.42

3.56

3.80

3.34

126

119

112

105

1918

1716

15

.ee

ding

the

last

f

f

leM

aleM

aleM

a

Hous

e Nu

mbe

r:

168

6.53

6.88

5.58

5.95

4.78

5.18

161

154

147

140

133

2423

2221

2019

175

7.10

6.88168

2524

FEED

ype

eed

TFee

d En

ergy

F

y)da

(lb/1

00 bi

rds

Actu

al

FEMALEY WEIGHT

mity

orUn

if

y Gain

eekl

WActu

al

Seas

onOu

t of

etar

gT

(Dar

k-ou

t)

BODFEMALE

0.9

1.21

0.33

0.63

2.34

1.9

2.12

1.46

1.68

3.17

3.42

2.73

2.93

2.54

4.95

4.22

4.57

3.67

3.94

3.42

6.68

7.01

5.73

6.11

4.95

5.36

7.29

7.01

ALITY FEED

eed

Ener

gyF

y)da

(lb/1

00 bi

rds

Actu

al

MALEY WEIGHT

mity

orUn

if

Actu

al

MV

Maleb

Cob

etar

gT

BODMALE

veCu

mul

atiy (%

)ee

klW

Bird

s#

of

T MORFEMALE

1.16

1.52

0.33

0.75

2.96

2.4

2.69

1.83

2.11

4.06

4.34

3.51

3.79

3.24

5.78

5.19

5.48

4.61

4.9

4.34

7.36

7.64

6.4

6.72

5.78

6.09

7.93

7.64

ALITY

empe

ratu

reTe

ater C

onsu

mpt

ion

W

ht H

ours

Lig

veCu

mul

atiy (%

)ee

klW

Bird

s#

of

T MORMALE

FEED

ype

eed

TFee

d En

ergy

F

MALE

Page 17: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)
Page 18: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Cobb

500™

SF

Par

ent L

ayin

g M

anag

emen

t Rec

ord

(P

ound

s)

Com

pany

:

Rear

ing

Farm

:

Plac

emen

t Dat

e:Fe

mal

eM

ale

Num

ber P

lace

d:Fe

mal

eM

ale

Bree

der F

arm

:

Date

Mov

ed:

Fem

ale

Mal

e

Num

ber T

rans

ferr

ed:

Fem

ale

Mal

e

Poin

t-of-l

ay N

umbe

r:Fe

mal

eM

ale

Age

at L

ight

Stim

ulat

ion:

Age

(wks

)Da

teFe

mal

eNo

.M

ale

No.

% E

ggPr

od/w

eek

Fem

ale

Feed

Fem

ale

BW In

Seas

on

Fem

ale

BW O

utof

Sea

son

Fem

ale

Actu

alBW

Mal

eFe

ed

Cobb

MV

Mal

eTa

rget

BW

Mal

eAc

tual

BWHa

tch

%

20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Age

(wks

)Da

teFe

mal

eNo

.M

ale

No.

% E

ggPr

od/w

eek

Fem

ale

Feed

Fem

ale

BW In

Seas

on

Fem

ale

BW O

utof

Sea

son

Fem

ale

Actu

alBW

Mal

eFe

ed

Cobb

MV

Mal

eTa

rget

BW

Mal

eAc

tual

BWHa

tch

%

43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65

y:Co

mpa

n

arm

:ee

der F

Br

Hous

e Nu

mbe

r:

Nu

mbe

r Pla

ced:

leem

aF

te:

leem

aF

Plac

emen

t Da

arm

:ea

ring

F FaR

y:Co

mpa

n

20o.

o.te

Nle

Ma

Nle

ema

FDa

(wks

)geA

Ma

Ma

Hous

e Nu

mbe

r:

kAc

tua

5.36

5.18

F

Sea

son

ofBW O

utleem

aF

Seas

onBW

Inleem

aF

eed

Fle

ema

Fee

/wod

Pr% E

gg

leM

aleM

a

Hous

e Nu

mbe

r:

%BW

BW

6.09

tch

Hal

Actu

aleM

a

et B

Wg

arTle

Mab

MV

Cob

eed

Fle

Ma

lAc

tuale

ema

F

ula

ht S

timt L

ige

aAg

y Nu

mbe

r:oi

nt-o

f-la

P

ed:

rer

ansf

rNu

mbe

r T

ed:

vte

Mo

Da

arm

:ee

der F

Br

%tch

43o.

teN

leem

aF

Da(w

ks)

geA

tion:

ula

y Nu

mbe

r:le

ema

F

ed:

leem

aF

leem

aF

k S

easo

no.

8.96

8.96

ofBW O

utem

aF

Seas

onBW

Inleem

aF

eed

Fle

ema

Fee

/wod

Pr% E

gg

Nle

Ma

leM

aleM

aleM

a

Hous

e Nu

mbe

r:

BWBW

9.55

8.96

Actu

aleM

a

et B

Wg

arTle

Mab

MV

Cob

eed

Fle

Ma

lAc

tuale

ema

F

Sea

son

BW O

utleem

a

%BW

tch

Hal

Actu

ale

27262524232221

7.71

7.71

7.51

7.51

7.29

7.10

7.01

6.88

6.68

6.53

6.11

5.95

5.73

5.58

8.30

8.13

7.93

7.64

7.36

6.72

6.40

50494847464544

9.18

9.18

9.16

9.16

9.13

9.13

9.09

9.09

9.06

9.06

9.03

9.03

8.99

8.99

9.90

9.18

9.85

9.16

9.80

9.13

9.76

9.09

9.70

9.06

9.65

9.03

9.60

8.99

3534333231302928

8.63

8.63

8.56

8.56

8.50

8.50

8.42

8.42

8.34

8.34

8.26

8.26

8.10

8.10

7.90

7.90

9.15

9.10

9.05

9.01

8.94

8.85

8.70

8.50

5857565554535251

9.36

9.36

9.34

9.34

9.31

9.31

9.29

9.29

9.27

9.27

9.25

9.25

9.23

9.23

9.20

9.20

10.30

9.36

10.25

9.34

10.20

9.31

10.15

9.29

10.10

9.27

10.06

9.25

10.00

9.23

9.94

9.20

4241403938373635

8.93

8.93

8.90

8.90

8.86

8.86

8.83

8.83

8.79

8.79

8.74

8.74

8.69

8.69

8.63

8.63

9.50

9.45

9.41

9.35

9.30

9.25

9.20

9.15

6564636261605958

9.51

9.51

9.49

9.49

9.47

9.47

9.45

9.45

9.42

9.42

9.40

9.40

9.38

9.38

9.36

9.36

10.65

9.51

10.59

9.49

10.55

9.47

10.50

9.45

10.45

9.42

10.40

9.40

10.35

9.38

10.30

9.36

Page 19: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)
Page 20: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Digestible Amino Acid LevelsRecommended digestible amino acid levels

based on amino acid/lysine ratios

Lysine

Methionine

M + C

Tryptophan

Threonine

Arginine

Valine

Isoleucine

PhaseAge (days)

(weeks)

100

52

85

22

75

110

75

70

100

45

75

21

70

105

72

68

Grower/Developer29 - 1st egg5 - 1st egg

Starter0 - 280 - 4

Breeder1st egg+

Male155+23+

100

55

95

24

87

110

75

80

100

52

87

22

75

110

75

70

Page 21: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

Recommended nutrient levels for Cobb500 Parent Stock Breeders

Phase

Age (days)

(weeks)

Unit

aIf the energy needs to be adjusted for local conditions, then all other nutrients (protein/amino acids) need to be adjusted at the same ratio.

MJ/kg

kcal/kg

kcal/lb

Developer

106 - 1st egg

16 - 1st egg

Metabolizable

Energy

a

Digestible Amino Acids

Crude Protein

Calcium

Av. Phosphorus

Sodium

Chloride

Potassium

Linoleic Acid

Dig. Lysine

Dig. Methionine

Dig. M + C

Dig. Tryptophan

Dig. Threonine

Dig. Arginine

Dig. Valine

Dig. Isoleucine

11.92

2,850

1,293

19.00

0.95

0.45

0.15 - 0.24

0.15 - 0.24

0.60

1.00

11.30

2,700

1,225

14.50

0.95

0.42

0.15 - 0.24

0.15 - 0.24

0.60

1.00

11.72

2,800

1,270

15.00

1.20

0.42

0.15 - 0.24

0.15 - 0.24

0.60

1.00

11.72

2,800

1,270

15.00

3.00

0.42

0.15 - 0.24

0.15 - 0.24

0.60

1.25

11.72

2,800

1,270

14.50

3.20

0.38

0.15 - 0.24

0.15 - 0.24

0.60

1.25

11.30

2,700

1,225

13.00

0.95

0.42

0.15 - 0.24

0.15 - 0.24

0.60

1.00

0.93

0.42

0.70

0.20

0.65

0.98

0.67

0.64

0.60

0.31

0.51

0.13

0.45

0.66

0.45

0.42

0.63

0.33

0.54

0.14

0.47

0.69

0.47

0.44

0.66

0.34

0.57

0.15

0.50

0.73

0.50

0.46

0.63

0.32

0.55

0.14

0.47

0.69

0.47

0.44

0.50

0.28

0.48

0.12

0.44

0.55

0.38

0.40

Grower

29 - 105

5 - 15

Starter

0 - 28

0 - 4

Breeder 2

>267

>39

Breeder 1

1st egg - 266

1st egg - 38

Male

>168

>24

% % % % % % % % % % % % % % %

Nutrient Levels

Page 22: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

KIU = thousand international units; g = gramsSupplementary levels of vitamins and trace elements should always be reviewed to ensure totallevels do not exceed those set in local legislation.

Supplementary Vitamins and Trace ElementsRecommended supplementary levels of vitamins

and trace elements per metric tonne basis

Vit. A (Maize Diets)

Vit. A (Wheat Diets)

Vit. D3

Vit. E

Vit. K

Thiamine

Riboflavin

Pantothenic Acid

Niacin

Pyridoxine

Folic Acid

Vit. B12

Biotin (Maize Diets)

Biotin (Wheat Diets)

Choline

Manganese

Zinc

Iron

Copper

Iodine

Selenium

Phase

10,000

11,000

3,500

100

3.0

2.75

8.0

15

40

3.0

2.0

0.025

0.25

0.30

500

100

100

20-50

10-15

1.5

0.30

KIU

KIU

KIU

KIU

g

g

g

g

g

g

g

g

g

g

g

g

g

g

g

g

g

Starter /Developer /Males

Unit Breeders inProduction

12,000

13,000

3,500

100

6.0

3.0

13

20

50

6.0

3.0

0.035

0.30

0.375

500

120

110

40-55

10-15

2.0

0.30

Page 23: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)
Page 24: Breeder Management Supplement - Cobb · 2019-07-01 · Breeder Management Breeder Performance Age at depletion (weeks) 60 65 (days) 420 455 Age at 5% production (weeks) 25 25 (days)

cobbcares.com

L-2020-06 EN : July 2018

Bird Health and Well-BeingCobb has a long-standing commitment tothe health and well-being of the chickensthat we breed, raise and distributeworldwide.