questions: query about regular routine for a broiler farm 
 answers: 1-2 days ....electrolyte, 3-5 day antibiotic @2gm/100chicks, 7-11/13 vit + calcium ,can continue with b complex/liver tonic etc according to condition.
vaccination schedule in broilers:
disease        age
 marek's    1 day (generally given inhatchery)    0.2ml s/c
ranikhet    5-7 day (f-strain)   1 drop   intra nasal/occulo
gumboro / ibd       10-14 days  drinking water 
gumboro / ibd       24-28 day (booster dose)drinking water