I stopped turning my duck eggs two days ago (day 25 of incubation) and nothing has happened yet... when should i notice any pipping, rocking, chirping? This is my first time to hatch eggs!! I know they are alive because I candled them right before i stopped turning them. Many veins are present. I increased ventilation, the temp is steady 99.5. Is there anything else I should be doing? Thanks for your help.