We got both our chickens in May they were 2-3 weeks old. Our rooster and hen got sick in October with what I think was avian pox. Our hen did not lay any eggs during this time. I gave them vitamins and electrolytes-they showed no other symptoms but the black spots and our hen not paying for about 3 weeks. The last few eggs she has laid are oblong. We are in Texas and have been having lots of warm days and cold snaps so sometimes she lays and then when cold she does not. She is showing no other symptoms. What could be the problem?