I use to keep a Broader buld in my coop for some extra heat, I recently put a Dark red heat bulb in there at night so that when I turned out the other bulb at 9 it still remained warm. The egg productivity doubled. I do not have a huge coop but it is big enough to hold 20 birds ( 6w x 6h x 8l ) so the birds are never in danger of getting to hot. keeps it around 60 degrees. Worrked great for me and I was no longer worried about the chickes getting sick from the temp dropping in the singles at night some times
Thanks for sharing! I had to put a heat lamp in my silkie's coop this year, because they were so sensitive. I did not put one in with my Jersey Giants though, and they didn't lay eggs for me all winter. Maybe I should have given them a red heat lamp too!
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I have my 8 hens in a metal shed.No insulation. I cut 4 smallish square holes in the walls and taped plexi glass to them. First winter my 3 red sex link hens gave me 2-3 eggs a day.Now I have the new 5 (blue egg layers) and the 3 red sex link, and I get about 4-6 eggs a day.
I do think the silkies need heat. I get a chicken catalog for Meyers Hatchery,and it will list the cold hardiness for each breed along with egg laying.Very useful to have on hand.
Keep warm and safe!!!!
We have 2 red bulbs in our coop...same size coop as OP...We consistently get 5-9 eggs a day from our 11 hens. Three weeks ago it was -27 F at our house and we still got 5 that day.