lgray88 4 Posted February 23, 2008 Report Share Posted February 23, 2008 i am in the process of making my own icubator, it is a fan assisted version but im curious do i have to circulate fresh air into the incubator or just curculate the air that is already in the incubator box , if i have to put fresh air in the the incubator , what is the best way of this as i dont want to over do the size of air hole . also whats the incubation time on grouse or pheasant etc? Quote Link to post Share on other sites
OldTrapCollector 377 Posted February 23, 2008 Report Share Posted February 23, 2008 i am in the process of making my own icubator, it is a fan assisted version but im curious do i have to circulate fresh air into the incubator or just curculate the air that is already in the incubator box , if i have to put fresh air in the the incubator , what is the best way of this as i dont want to over do the size of air hole . also whats the incubation time on grouse or pheasant etc? On the scale you are talking lgray, I would stick with a thermostatically controlled atmosphere however best you can achieve it and keep it constant be that with fresh or recirculated air. Temperature should be 37.6 degrees C, and humidity around 50% until the final days (22-24) where it should be increased so that the chick does not dry out in the shell or he cannot chip out. 24 days setting time for pheasants and english partridges - (not sure about grouse) if my memory serves me right It is a fiddly and frustrating task but the reward when you get it right is obvious!! Good luck! OTC Quote Link to post Share on other sites
lgray88 4 Posted February 23, 2008 Author Report Share Posted February 23, 2008 i do plan on have the air circulated but i dont want to get fresh air in by removing the lid of the incubator or this will drop the tempertaure , so do you think i could just put on or to holes in the back , i have a 3rd fan i thout to have on a individual switch that suck air into the incubator what do you think of that idea ?? Quote Link to post Share on other sites
AIRGUNNER 1 Posted February 23, 2008 Report Share Posted February 23, 2008 Im no expert on this but i think quote "think" you need an intake fan and a extraction fan but i could be wrong Quote Link to post Share on other sites
Guest The Big Fish Posted February 23, 2008 Report Share Posted February 23, 2008 You diy'ist.... It depends on the size of machine that you are building, but you do NOT need an extractor fan For a forced air machine, you only need a fan to move the air about in a constant fashion, so the temprature is even all over. You could drill a couple of small holes in the top, just to allow some turnover of air, remember incubating eggs breath out just like we do, so some replacment air will be needed, but you dont need gurt great gaping holes in the sides Temprature should be 37.5c sorry OTC Humidity should be 30% during the incubation period, which for pheasant is for the first 21 days, then humidity should be increased to about 40% for hatching in the last 3 days, again for pheasant it will be from day 21 until day day 24 when the chicks will hatch. Dont be tempted to remove them until they are all up an moving about. In the last day or so of hatching they absorb the yolk sack, this will provide them with enough energy for the first day after hatching. Regards to the humidity, this country has its fair share of moisture, so you probably wont need to put extra water in for the incubation period anyway and remember that its the surface area of the water that counts, not volume.... Good luck Quote Link to post Share on other sites
OldTrapCollector 377 Posted February 23, 2008 Report Share Posted February 23, 2008 Temprature should be 37.5c sorry OTC I said that it had been a long time!! 'My' incubators were Western ones, big things with moving paddles to circulate the air and seperate tray hatchers, hatching 30000 a week at peak times but to be honest I didn't have a lot to do with that side of things OTC Quote Link to post Share on other sites
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