Question:  query regarding quail bird delay in laying & thin shell egg formation 
Answer:  told him to give groviplex / vitaplex @ 6-7 ml / 100 quail , with drinking water , calvit  [ medicine containing calcium ] @ 6-7 ml daily for 5-6 days , the selection of egg -- oval & elongated egg should be discarded ,weight --7-12gm should be select for incubation  maintain the temperature & humidity & rotation of setting trey  properly during incubation  to obtain good hatchability