I have 29 hens and 2 roosters. These are all the same age, going on 9 months. I'm getting lots of eggs about 17-20 per day on average. All of my chickens seem healthy. However, most all of the hens have bare backs. At first I thought it may be molt. What age do they start molting? or would it be rooster damage? My henhouse is 12'x16'x8' and my chicken yard is 35'x45'. I don't think its stress caused by limited space or poor diet. If anyone has any idea of what I can do, please let me know.
	
		
			
		
		
	
				
			
			
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