increasing hatch through cooler managementmerial.streamfizz.com/medias/docs/asia/bs02_martin... ·...
TRANSCRIPT
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SCOTT MARTIN
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Hatchery Management and In Ovo
Scott MartinSCOTT MARTIN, LLC.
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CUMULATIVE AIR VOLUME NEEDED TO MEET O2 REQUIREMENT
-1
0
1
2
3
4
5
6
7
8
0 3 6 9 12 15 18 21
Days of Incubation
CF
M p
er 1
,000 e
ggs
Sea Level
1500 Feet
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Hatchery Layout
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Hatchery Layout
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“Tools”
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Hatchery Tools
Magnehelic Gauge
Air Meter SmokeEmitters
Stroboscope
Rectal Thermometer
Data Logger
Digital Thermometer
Humidity Temperature Meter
Infrared Thermometer
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“Hatchery Programs”
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• Egg Assessment
• Preventive Maintenance
Ventilation
Tools
• Sanitation
• Egg Set and Transfer
• Embryodiagnosis
• Chick Assessment
Hatchery Programs
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“Egg Assessment”
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Conditions Of The Eggs
• Dirty Eggs (Omphalitis ?)
• Cracked (No Hatch—Cull Chicks)
• Deformed (No Hatch—Cull Chicks)
• Double Yolk (Cull Egg)
• Inverted (No Hatch—Cull Chicks)
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Dirty
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Condensation
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Contamination
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Egg Temperature Flow Chart
Hen house
On farm egg room
Egg transportation truck
Hatchery egg room
Setter machine
Setter hall
104 – 106 o F
75 - 85 o F
63 - 68 o F
63 - 68 o F
63 - 68 o F
75 - 80 o F
99.5 - 100 o F
Hens body
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ACAC
64.9
63.8
63.5
63.9
61.3
61.4
63.9
61.0
60.7
63.0
62.8
62.2
64.6
62.3
62.1
64.5
62.0
62.1
63.3
61.8
61.6
60.6
61.9
62.0
64.8
62.7
63.5
64.0
61.8
61.6
63.8
60.8
60.8
61.9
63.1
61.8
64.6
62.3
62.3
64.6
62.0
62.0
63.5
55.8
55.9
57.1
61.8
61.6
64.7
62.5
62.4
64.5
61.9
62.0
63.6
60.9
56.8
58.3
62.0
62.0
Holding Room Temperature Without Fan
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ACAC
63.2
63.8
63.7
63.1
63.5
63.7
63.3
63.8
63.2
63.2
63.1
63.3
63.5
63.9
63.6
63.3
64.2
64.4
63.5
63.7
63.9
63.3
63.7
63.9
63.4
63.9
64.0
63.0
63.6
63.3
63.3
63.8
63.7
63.5
63.0
62.6
63.8
63.8
63.7
63.1
64.5
64.6
63.3
63.7
63.6
62.6
59.5
60.6
63.5
63.9
63.9
63.0
64.0
63.5
63.9
63.7
63.7
63.3
59.6
61.7
Holding Room Temperature With Fan
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“Preventive Maintenance”
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Preventative Maintenance
• Calibrate machine and room equipment
• Monitor settings
• Check embryo temperatures
• Check moisture loss
• Check pipping
• Check chick temperatures
• Confirm: what you think you have is what you have
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Water Temperature Entering Cooling Coil
18 ๐ C
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Chiller Inside Setter
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Bad Door Gasket
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Improper Egg Rack Seal
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Curtains Not Sealing
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“Ventilation”
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Proper HVAC Set-Up
AREAS
Egg Receiving & Holding
Setter Bays
Hatcher Bays
Chick Holding
Chick Pull & Wash
Clean Equipment Room
Hallways
CFM/1000
1
4-5
12-16
12-16
12-16
0
0
TEMP
65-68
76-80
76-80
72-75
72-75
72-75
75
RELATIVEHUMIDITY
60-75%
55-62%
55-62%
65-70%
65-70%
N\A
N\A
AREAPRESSURE
Neutral To + .01
+ .01 To + .015
+ .01 To + .015
Neutral To Neg .01
Neg .010 To Neg .015
Positive
Neutral
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Cooling Coil (Dirty)
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Cooling Coil (Clean)
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“Sanitation”
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Sanitation
• Run base line studies
• Use reliable products
• Monitor hatcheries
• Fog rooms
• Fumigate inside of machines
• Keep a good air flow through the hatchery
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“Egg Set and Transfer ”
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Set Times
Breeder Flock Age
• Up to 28 weeks – add 6 hours
• 29 – 30 weeks – add 3 hours
Egg Storage Time
• 1 to 6 days – normal target
• 7 days – add 1 hour
• 8 days – add 2 hours
• 9 days – add 3 hours
• 10 or more days – add 4 hours
TARGET = 504 HOURS
Adjust for breeder flock age and egg storage time
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Set and Transfer
• Know your incubation time
• Set consistently (same time every day with exceptions)
• Transfer consistently (same time every day)
• Keep flock age consistent or segregate
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Skipped Set Profile(Multistage)
• Temperature needs to be managed for skipped sets
• 14-day rule applies (Embryonic Age)
• Extra incubation time is needed for the 2 sets following a skip
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Effect Of Egg Storage On Hatchability
0
10
20
30
40
50
60
70
80
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28
Days of Storage
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WHAT HAPPENED?
FLOCK FERTILITY EGG AGE HATCH% HOF%
999 95 4 86 90.5
999 95 9 84 88.4
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“Embryodiagnosis”
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Candle And Residue Breakouts
• Candle eggs ( 10 days to transfer) or residue ( at hatch )
• Look for day embryonic death occurred
• Check flock and machine again
• Check same flock in a different machine
• Check different flock in same machine
• Look for mold
• Look for patterns
• Use hatch of fertile%
1 2 3 4 5 6 7*** 8 9 10 11 12 13 14*** 15 16 17 18 19 20 21
Early Middle Late
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Embryodiagnosis Work Sheet
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Infertile or Fertile
Infertile Fertile
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Day 2
Embryo Size
Day 1
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Day 3
• Heart beats
• Blood vessels very visible
Embryonic Development
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Day 18
• Growth of embryo nearly complete
• Yolk sac is still on outside of embryo
• Head is under the right wing
Embryonic Development
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Day 19
• Yolk sac draws into body cavity
• Amniotic fluid gone
• Embryo occupies most of space with
in egg(not in the air cell)
Embryonic Development
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Day 20
• Yolk sac drawn completely into body
• Embryo becomes a chick(breathing in air cell)
• Internal & external pip
Embryonic development
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“Chick Assessment”
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Pre-Pull
• Hatch Window, Hatch Spread
• 30 hours or less (hatch starts)
• 23 hours- 30%
• 12 hours- 70 to 80%
• Check Chick Temperatures before pull
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40℃
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40.9℃
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• Lower Temperature in hatcher• Timing is important (step down before chick overheats)
• Take temperatures at pre-pull and at pull times
Remember!Step programs are designed to keep chicks from overheating
Not to cool down
Step Programs
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Clean Residue
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Dirty Residue
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“Are we ready for In Ovo?”
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“In OvoTransfer”
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Candle @18 Days(Improper Moisture Loss)
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Head over Wing(Improper Moisture Loss)
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High Position Pip and Head Over Wing
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High Pip(Improper Moisture Loss)
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Red Hocks(Improper Moisture Loss)
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Chick Assessment
Incubator # 3 7 11 17 Total % Standard
Flock # 387 343 396 404 x x
Flock Age 37 61 39 29 x x
Chick Count 100 101 100 100 100.25 x
Activity Level loud loud loud loud x x
Red Hocks 2 8 6 3 19
Red Beaks 0
Culls 2 2
Dehydrated 0
Navel Large 1 7 2 3 13
Navel Small 43 59 63 51 216
Wicks 2 2
Leaky 1 23 7 31
Good 56 18 29 45 148
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Hydrated
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Dehydrated
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Dehydrated
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Dehydrated
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7 or 14 Day Mortality?
Look at the mortality patterns!
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Chick Quality
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Days
Mortality
Normal Daily Mortality
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1 2 3 4 5 6 7 8 9 10 11 12 13 14
Dehydration
Mortality
Days
Chick Quality
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• Egg Assessment
• Preventive Maintenance
Ventilation
Tools
• Sanitation
• Egg Set and Transfer
• Embryodiagnosis
• Chick Assessment
Hatchery Programs
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