Answer:
Poultry
farming is done to raise domestic fowl
for egg production and chicken meat and provide nutrition to increasing
population.
For this improved poultry breeds are developed and farmed
to produce layers for eggs and broilers for meat.
The cross-breeding programmes between Indian (indigenous
like Aseel) and foreign (exotic like Leghorn) breeds for variety improvement
are focused on developing new varieties for the following desirable traits (3)
(i) The number and quality of chicks.
(ii) Dwarf broiler parent for commercial chick production.
(iii) Tolerance to high temperature.
(iv) Low maintenance requirements.
(v) Reduction in the size of the egg-laying bird
possessing the ability to utilise more fibrous and economical diet that are formulated
using agricultural by products. (2)
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