some of my chickens like my americana rooster and few diff hens been sneezing and has a slight runny nose they act like their r healthy and eat/drink normal and r still laying eggs at same rate so is this just a lil cold and if so what should i do to treate it or is it something that might be more seriouse been doing this for about 2 weeks now just moved them into their new coop where they have more air and room to move cuz we just moved to a new house and had to keep them in a smaller area my silkies have been sick with what i believe to have been Chronic Respiratory Diseas but i have them separate from the others so anyways what to do

