Leave him in!! He can stay in the incubator for 48 hours if need be. I have to admit I sneak some out when there's a lot in there, but only once each day and that's pretty much frowned upon. 
		
		
	
	
		
	 They live off the yolk for a few days. 
		
	
	
		
			
		
		
	
				
			
	
	
	
	
	
	
	
	
	
	
	
	
	
	