I have a chick which is a female it have been 4 days since she had started sneezing no mucus is coming out of her nose. It looks like she is sneezing because of cold . Here in my city temprature is as low as 10°c at night . I also have a heat lamp in chicken coop. She is healthy and active and her feaces also look good there are no symptoms of ND she is sneezes after short periods like after 30 min to 1 hour gap please help ASAP.