IMPORTANT RECORDS TO KEEP 



455 



nent. The rim punch should always be used, as it is the only 

 instrument which makes a clean hole without tearing. The hole 

 should be made far enough from the edge to minimize the danger 

 of its tearing out. 



The following form shows a good way of keeping mating and 

 breeding records : Individual Mating Record. 



( Male 

 PARENTAGE^ 



(Female No. 

 Experiment No 



Form by Dr. Raymond Pearl, University of Maine. 



No 



DATE . . 



Mating No. 



Pen No. . 



Pen Records. By a pen record is meant usually a monthly 

 sheet; but in some cases a weekly sheet is posted in the pen, and 

 is so arranged that the products of that pen, the feed consumed, 

 and the condition of the birds for a given period can all be 

 entered on one record. The following form shows a monthly pen 

 record which was used with considerable success in cooperative 

 record keeping: 



Monthly Pen Record. 



Pen No Breed Number of females Number of Males 



Month . . 



Notes. Leg band numbers 



Average daily production Total income from eggs, 



Total cost of feed Profit or loss from eggs 



