I also don't remember anything about the air sacs but by day 8 you should definitely see veining and a tiny embryo with movement.
 
I couldn't wait any longer so I set my chickens eggs yesterday. They will hatch just before Valentines day but I'm still in! I set 12 Leghorn mix eggs, 6 Bantam Cochin and 6 unknown eggs (can't tell what hen they are from). I can't wait to candle now!!!!
		
	
	
		
			
		
		
	
				
			I couldn't wait any longer so I set my chickens eggs yesterday. They will hatch just before Valentines day but I'm still in! I set 12 Leghorn mix eggs, 6 Bantam Cochin and 6 unknown eggs (can't tell what hen they are from). I can't wait to candle now!!!!
	
			
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