About Lesson
Pigmentation
- period of egg production required to bleach the body structure is given below :
a) Vent : 1-2 weeks
b) Eye ring and ear lobes : 2-4 weeks
c) Beak : 6-8 weeks
d) Shanks: 12-20 weeks
Egg production cycle of laying hen
Phase I : 22 weeks ( 36 gm) – 42 weeks ( 58gm) of age.
Phase II: 43 weeks-62 weeks ( decline by 65%)
Phase III: 63 weeks – 72 weeks ( decline by 65%)
- Peak production at 32-35 weeks of age.