Once a Roo is left in a cage with a hen for a couple weeks , how long will the hen stay fertile?  Any sights and/or books to help with he never ending question on breeding and hatching would also be great. Thanks for all the help this sight has given in the past months.  What a great community.
Travis
Bozeman, MT
	
		
			
		
		
	
				
			Travis
Bozeman, MT
	