questions:  query regarding   some duck delayed in laying , after first 2-3 days of continuous laying , [age group 7 month ] -  dimbpro 
 answers:  told him to give minerax mixture & vitamin b complex as directed - calcium supplement is also necessary for egg formation , maintain proper male female  ration , free oviposital developement takes sometime more time  after 2-3 days of continious laying , it may be due to   due to the  hormonel  effect like oxytocin ,     & deficiency of vitamin & mineral , provide 16 - 18 hours light is necessary for laying - powder like dimbpro & ad3e injection should de given after examination