YESTERDAY I HAD 4 FRENCH COPPER BLUE CHICKS HATCH. AND I KNOW I DID SOMETHING WRONG BECAUSE TWO OF THEM CAME OUT WITHOUT THEIR YOLD ABSORBED. NOW MY BLACK CHICK HAS A RASPY CHIRP. I'M AFRAID IT HAS AN INFECTION. WHAT DO I DO? THESE EGGS WERE EXPENSIVE AND I WANT TO KEEP THEM ALL. HELP ME PLEASE