Download - Management tips for Broiler Farms
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0521jap
Some Broiler Management
TipsS.T.Moubarak
Faculty of Veterinary MedicineCairo University
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Some Broiler Management Tips
Downtime
Cleaning & Disinfection
Floor Treatment
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Some Broiler Management Tips
Litter Management
Water Line Treatment
Foot Dips
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Downtime
Downtime is the time between the end of
disinfection and day zero
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Downtime•No Animals•No Activity•Pathogens are exposed to dryness• Time varies based on pathogen
• Three times expected incubation period
•Block of area
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Reception of 1-d old chicks
Disinfect DowntimeDowntime
‐10
32 C
‐1 0
Brooding
Days before arrival
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IB مرض األلتھاب الشعبى
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كيف ينتشر الفيروس
البراز
األفرازات من األنف و الفم
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جيد ) ممھد تطھير(معظم الفيروسات يمكن القضاء عليھا باستخدام منظف
فيروس األلتھاب الشعبى يعيش جيدا فى الماء و :لذلك
الغسيل بالماء يساھم فى نشر العدوى
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يجب زيادة الفترة الزمنية ما بين الدورات•• )يوم على األقل 10-15(
• من الطيور داخل المزرعة الواحدةعمر واحد يتم تربية • و ال ممھد تطھير قلوى / منظف بعد نھاية الدورة يتم التنظيف باستخدام
يكتفى بالغسيل بالماء
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Washing …… Pre‐Washing
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Increase Down‐time
N0 multi‐age sites
All in – All out
Alkaline Cleaners
IB Control
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Cleaning & Disinfection
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Cleaning and Disinfection
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“CLEANING”
• Scientific definition:A process combining the physical input of energy with surfactant/detergent activity to remove organic material and associated micro‐organisms.
• Practical definition:Physical action with detergent giving the removal of organic material and99‐99.9% of organisms present.
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Chemical Action
•Soils are electro‐chemically bonded to the surface. We must break that bond to remove the soils
•Cleaning “happens” at Neutral (pH = 7)
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Cleaning With Chemistry
1‐ Identify the relative pH of the soil
2‐ Apply a product with the opposite pH
3‐Wait for some time for the chemistry to work
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pH Scale
70 14
Hyd
roch
loric
Aci
d
10 million times stronger than water
Des
cale
r
Rus
t Rem
over
Vin
egar
Bor
ic A
cid
6.5 - 7.5
NeutralPure Water
Neu
tral C
lean
er
Win
dow
Cle
aner
Extra
ctio
n C
lean
erH
and
Soap
Spra
y &
Wip
e C
lean
ers
Deg
reas
ers
Floo
r Stri
pper
s
Cau
stic
Sod
a (L
ye)
10 million times stronger than water
Increasing Acidity Increasing Alkalinity
610x
510x
410x
310x
2110x
10x 810x
910x
1010x
1110x
1210x
1310x
10x
CSP
Cre
me
Cle
an
Dis
infe
ctan
t Cle
aner
s
Oily, Sticky – Organic Soils Dry, Loose – Mineral Soils
10x
Nut
ra-R
inse
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كفاءة المنظفات وممھدات التطھير
الحمضيةالمنظفات القلويةالمنظفات
+ +++ و الزرق و الريش الدم
- ++ الدھون و الشحوم
+++ - األمالح المعدنية ترسيباتالبيوفيلم -الصدأ
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Cleaners In Poultry Industry
•ALKALINE CLEANERS(proteins – fats)•ACID CLEANERS (mineral deposits and/or rust stains left by hard water)
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Floor Treatment
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عملية التنظيف و التطھير
زالة السبلةإ
–كشط -كنس مسح –كحت
شطف
ممھد التطھير شطف
تجفيف
تطھير
إزالة األمالح و الرواسب من المواسير وخاليا التبريد ادخال الفرشة
تطھير نھائيالتبخير
مغاطس األقدام و السيارات
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Floor Treatment – Why ?
Coccidia
Clostridia
Beetles
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Floor Treatments Of Poultry HousesCompound Application Rate Uses
Boric Acid Dust ‐ Baits Beetles
Salt (Sodium Chloride) 0.25 kg/m2 Clostridia
Sulphur Powder 0.01 kg/m2 pH reduction
Lime (Ca oxide, Ca hydroxide)
As necessary Disinfection
Caustic Soda (Sodium Hydroxide)
As Necessary Coccidia
Commercial Bleach (Sodium Hypochlorite)
As Necessary Disinfection
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Water Line Treatment
Poorly Maintained Water Lines.
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•1) Antibiotics and vaccines are not as effective.•2) Supplements such as vitamins and electrolytes are not as effective.
•3) An added stress due to higher bacterial counts •4) Poor performance.
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Biofilm
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Biofilm
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Using pH To Control Solids Build Up in Water Lines
DescalingNo
Build‐up of SolidsSolids Build‐up
Less than 5.5 5.5 – 7 above 7
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What is Being Used Now?
Bleach – Both liquid (Sodium Hypochlorite) and dry (Calcium Hypochlorite)
Hydrogen Peroxide and Peracetic acid
Citric Acid
Hydrochloric Acid
Acidified Copper Sulfate
Various Blended Acids
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Quick References For Choosing Acids Types
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Litter Management
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Potential causes of wet litter
• • Improper ventilation• • Drinker type, management and maintenance• • Poor drainage, condensation and moisture seepage into litter• • High moisture bedding• • Poor bedding quality• • Inadequate bedding/litter depth• • Bird health• • Diet and water quality• • High bird density
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Detrimental Effects of Ammonia
Ammonia Level Effects
20 ppm (Continuous for 6 weeks)
‐ pulmonary edema, congestion, and hemorrhage‐ increased susceptibility to respiratory disease due
to ciliostasis
40 ppm ‐ deciliation and decreased clearance ofE. coli from lungs and airsacs
25 – 50 ppm ‐ reduced body weights , feed efficiency andincreased airsacculitis in birds exposed to Infectious
Bronchitis Virus
50 – 100 ppm ‐ keratoconjunctivitis, corneal ulceration, and blindness
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Litter Temperature (Brooding)
• The environmental conditions present when the chick arrives on the farm sets the pattern for the rest of the grow‐out
period.
• Chilled chicks undergo vasoconstriction to retain heat.This interferes with the passage of maternal antibodies into the chick through yolk sac absorption.
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Litter Temperature (continued)
•Retained yolks play a factor in determining the presence of E. coli,
Salmonella, and Campylobacter on processed carcasses.
• The temperature of the litter at placement should ideally be 32 ‐ 35°C at the time the chicks are placed;
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Foot Dips (Foot baths)
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FootbathLocation
• Solid Surface (Concrete)•Close to the point of entry• Less clean >>>>> Dipping Clean• It may prove useful to have a tap and brushes nearby so that boots can be washed off before using the footbath.
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FootbathLocation
• The area around the footbath should be disinfected at appropriate intervals to reduce the risk of disease transmission.
• The area around the footbath should remain as dry as possible as organisms can and will migrate and disperse in water.
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FootbathDesign
‐ Long enough to walk through it.(Not to jump or stride over it)
‐ Easy drainage and cleaning.‐ Depth: at least 10 cm.‐ Should be protected from weather.
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FootbathUse
• footbath is not designed as a footwear washing point!
•Boots should first be cleaned and then disinfected.
•Use smooth sole footwear (boots).
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Hygiene Barrier
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Boots
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Foot bath Disinfectants
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