I am about to embark on my first hatching experience. I have the Hovabator 1588 with automatic egg turner and it is running and ready. I received 13 eggs from California today (they were 2 days in transit). They had collection dates of 4/25 through 5/1. I have them sitting propped up one one side of carton, resting. My real delima is that I have 18 Welsummer eggs being shipped tomorrow or Wednesday from Oklahoma and will be two days in transit. They were originally set to both ship 5/4. Can I hold the cochin eggs for 4 more days, put them in incubator and add welsummer eggs later or what. I would greatly appreciate all input. Thanks!