10/07/2017
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Innovations in and around the hatchery
www.hatchability.com
Innovations in and around the hatchery
- Pre-storage heating of hatching eggs
- Incubation and chick quality: eggshell temperature
- Care for young chicks
- Hatchbrood and Hatchcare (Hatchtech)
- Patio and X-treck (Vencomatic)
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Embryo vitality in long stored eggs
To survive storage, the embryo needs a certain degree of development
(Fasenko et al., 2001):
2- layer stage (60.000 – 80.000 cells; stage X)
3 – 6 hrs of pre-heating at incubation temperature BEFORE storage
This technique would increase embryo vitality
- small scale trial
- large scale field trials
- broiler breeder experiment
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70
75
80
85
90
95
100
0 hrs 3 hrs 6 hrs 9 hrs 0 hrs 3 hrs 6 hrs 9 hrs
% c
hic
ks
fro
m f
ert
ile
eg
gs
1 week storage time 2 weeks storage time
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At day of lay: 4 hrs pre-heating at 37.8ºC
Next, eggs stored for 3 or 10 days
SPIDES (Short Periods of Incubation
During Egg Storage)
1998: Introduction of eggshell temperature measurements
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Buckeye
96
98
100
102
104
1 4 8 11 15 18Day of incubation
ET
(F
)
Multi-stage setter with trolley setting: side view
16-18 13-15 10-12 1-3
37.8
7-9 4-6
38.5 37.2
36.5
38.5
airfloweggs
40+
0 48 96 144 192 240 288 336 384 432 480
Time (hrs)
37
38
39
40
41
ES
T (
ºC)
Corner
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36.0
37.0
38.0
39.0
40.0
41.0
0.0 0.5 1.0 1.5 2.0Air velocity (m/s)
Tem
per
atu
re (
ºC)
Air temperature
Eggshell temperature
Machine temperature ≠ embryo temperature
What is chick quality??
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0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0 7 14 21
Time (d)
Pro
port
iona
l am
ount
s of
ene
rgy
(%)
Yolk Sac
BurnedAlbumen
Embryo
O2
Heat
CO2
H2O
+ or
60 g egg
38 + 2 g
32 + 8 gEmbryo temperature
EST 37.8ºC = optimal
Poor development mortality
diseases
Poor technical results
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Shank length and broiler performance
2000
2100
2200
2300
2400
2500
2600
Haan Hen
Pootlengte (cm)
Gew
ich
t (g
)
<3 3-3.1 >3.1
Gewicht bij uitkomst: 42 - 44g
2000
2100
2200
2300
2400
2500
2600
Haan Hen
Pootlengte (cm)
Gew
ich
t (g
)
<3 >3
Gewicht bij uitkomst: 36- 38g
males females males femalesHatch weight 36-38g Hatch weight 42-44g
Shank length (cm) Shank length (cm)
BW
@42
d (g
)
BW
@42
d (g
)
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To know chick quality you have
to measure chick quality!!!
0
10
20
30
40
50
15 16 17 18 19 20 21
Chick length (cm)
Yo
lk f
ree
bo
dy
we
igh
t (g
)
0
2
4
6
8
10
Res
idu
al Y
olk
(g
)
Yolk free body weight
Residual yolk
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Heat production
- Time / development
- Physical factors
- Biological factors
- Environmental factors
Heat loss
- Evaporation
- Heat transfer
- temperature difference
- heat capacity
- air velocity
40.0
39.5
39.0
38.5
38.0
37.5
37.0
36.5
36.0
Embryo temperature (ºC)
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40.0
39.5
39.0
38.5
38.0
37.5
37.0
36.5
36.0
Embryo temperature (ºC)
Heat loss Heat production
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Good quality chicks: what next??
Rectal temperature variations in day-old chicks
36
37
38
39
40
41
42
43
hatch
er b
aske
t
selec
tion
spra
ying
holdi
ng ro
om
befo
re tr
ansp
ort
afte
r tra
nspo
rt
at p
lacem
ent
afte
r 24
hour
s
Rec
tal t
emp
erat
ure
(ºC
)
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60.0°F
100.0°F
70
80
90
100
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40 gDag 0
Dag 7 120 g 200 g
Growth 80 g 160 g
Growth 2x as high: HP 3-4x as high
HP higher? HL has to increase as well
if not: increase chick temperature, decreased metabolic rate
Decreased growth!
Chick temperature: balance between heat production and heat loss
Hatchbrood broilers
All efforts made in the hatchery are lost when chicks are placed at the farm under wrong conditions!!
• First week high care unit
• Feed and water available
• Chick temperature: measured and “set” at 40,5ºC
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1% higher carcass weight
in slaughterhouse!
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7 sites; 5 broiler houses per site; 250.000 broilers per house
Dimensioning for slaughtering of 12.000 broilers per hr; 1 house per day
3 cells per broiler house
2 rows per cell
6 floors (tier levels) high
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X-treck
X-treck by Vencomatic
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July 10, 2017
Preincubation warming profile
Short storage: Warming profile does not affect embryo viability
Long storage: Slow warming profile beneficial for embryo viability
Reason is unknown
Use slow pre‐incubation warming profile when storage is prolonged
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Innovations in and around the hatchery can be very successful
Technical inventions should support the biological processes
- Never compromise on egg and chick quality
- Measure and adjust eggshell temperature
- Measure and adjust chick temperature
Thanks for your attention!!