Question:  query  regarding   poultry  farming  
Answer:  broiler bird is not layer bird , broiler is not for egg production - it is use only for meat purpose , but the layer bird is for egg production , [ now, duel purpose breed is also available which can be use for both -- meat as well as egg production ].vaccination is necessary to immunize the different brred at different time following the vaccination schedule . vaccination is available for local  ( indigenous ) chicken also