Definitely give the yeast with their food, but also get some of the liquid vitamin B complex and try to give that to at least the one with the turned in foot - over treats, and you could also add it into a small water dish once a day. That will be the most effective for pekins and quickest way to turn around any deficiencies they already have - they are so prone to weak legs due to how fast they grow.
	
		
			
		
		
	
				
			 
	 
			
		
		
		
	
	
			
		 
 
		 
			
		
		
		
	
	
			
		 
			
		
		
		
	
	
			
		
 
 
		 
 
		 
 
		 
 
		
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		