| a. | 90 percent or more of the carcasses in such lot meet the requirements of A Quality, with these exceptions:
 | 
          
            |  | 1. | Fat covering and conformation may be as described in
      this manual for B Quality. | 
          
            |  | 2. | Trimming of skin and flesh to remove 
            defects is permitted to the extent that not more than one-third of
      the flesh is exposed on any part, and the meat yield of
      any part is not appreciably affected. | 
          
            |  | 3. | Discoloration of the skin and flesh may be as described
      in this manual for B Quality. | 
          
            |  | 4. | One or both drumsticks may be removed if the part is
      severed at the joint. | 
          
            |  | 5. | The back may be trimmed in an area not wider than
      the base of the tail and extending to the area between
      the hip joints. | 
          
            |  | 6. | The wings or parts of wings may be 
            removed if severed at a joint. | 
          
            | b. | The balance of the carcasses meet 
            the same requirements, except they may have only a moderate covering of
      flesh. |