UVAS

2. Presented by: Farooq Sultan
2019-PS-021
Presented to: Dr. Shahid Mehmood

3. DEBEAKING
Why chicken have their beak cut off ?
Age
Method
Before and after debeaking
DUBBING

4. Partial removal of the beak of poultry, especially layer hens also
called beak-trimming.

5. It prevents from,
 Feed wastage
 Cannibalism
 Feather pecking
 Vent pecking

6. There are different ages for debeaking
( Day-old beak trimming )
oAdvantage
• Beak-trimming at the hatchery before delivery of chicks is
relatively cheap
oDisadvantage
• It cause higher mortality
• Beak regrow

7. ( 7-9days )
o Advantage
• 7-9 days “the best age to trim the beak”
• Beak still soft
• Less feed wastage
• Easy to handle
oDisadvantage
• But beak regrow

8. o( 6-8 weeks )
• In this age pullets have more time to regain lost body weight.
• As compared to those beak trimmed closer to maturity.
• Its result more accurate as compared with beak-trimming at an
early age.

9. o (8-16 weeks)
o Two-third of the upper beak and one-third of the lower beak cut
or removed in 12 weeks
oProblems
• More difficult
• More stress
• Loss of body weight
• Require 2-3 weeks to regain weight

10. Hot blade
Cold blade
Bio-beak trimming

11.  Red hot blade cut the beak
 Temp.is 650-750 C
 During cutting blade not closer than 0.3cm to the nostril
 Cauterization time is 3 sec

12.  Beak cut with knife
 But beak can regrow in this method
 This method not used in large scale in industry

13. • In 1980 bio-beaker develop
• Use high voltage (1500 volt AC)
• It burn a small hole in the upper beak of chicken
• It take 0.25sec to burn a hole
• Beak tip falling off in 5-7 days
• Wound healed by 2-3 weeks

14. o Before Debeaking
• The bird in good health
• Do not vaccine
• Supply vitamin k to the bird
o After Debeaking
• Increase the level of feed and water
• Adjust the feeder and drinker according to beak of bird
• Add some vitamins (A,B,K) to the feed

15. • Dubbing is the procedure of removing of comb and
sometime, wattles of poultry

16. • Removing comb bird taking food into mouth easily
• Prevent from injury

17. • Sterile scissors are used
• Dubbing is done when comb is more develop

18. • Poultry production wikipedia
• encyclopedia