If I candle the eggs, how much of the egg should the embryo take up at this point? All of it except the air sack? I don't have a fancy candler so I'm trying to judge by using a flash light. I see a really dark mass in the middle but it gets lighter towards the bottom. Is that normal?
	
		
			
		
		
	
				
			 
	 
 
		 
 
		 
	 
 
		 
			
		
		
		
	
	
			
		 
			
		
		
		
	
	
			
		 
			
		
		
		
	
	
			
		 
	 
	 
	 
	 
	
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		