I'M NEW AT THIS,,,,FIRST TIME. I HAVE MY GEESE EGGS IN AN OCTAGON 20 ECO INCUBATOR, MANUAL TURN. I HAVE 4 EGGS WHICH I STARTED 1 WEEK AGO. CAN I ADD 2 MORE NOW? I CANDLED YESTERDAY & I THINK 2 ARE NOT GOING TO DEVELOP AS THERE IS NO SIGN OF CHANGE IN YOLK FROM THE 1ST DAY. DO I NEED TO JUST LEAVE THEM A FEW MORE DAYS? I APPRECIATE ANY HELP.