Question:  query regarding  the selection of egg
Answer:  told him to  to select the egg depending upon the physical examination before place them on the setting trey  --elongated egg , round egg should be discarded . the size should be oval & wight of the egg should be 56-58 gms [ in case of chicken, duck, ] in case of quail 13-16 gms, the egg shows dark spot or more blood tinge egg should be discarded at the time of candling , on the setting trey the broad end of the egg should be always keep in upward direction