Bul. 749, U. S. Dept. of Agriculture. PLATE |X. 
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Fic. |.—-GENERAL ViEW OF PENS USED IN THE PEN SYSTEM OF KIDDING. 
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Fig. 2.—KIDS IN THE HANDLING PEN ADJOINING INDIVIDUAL KIDDING PENS. 
In the pen system the does and kids are removed from the individual kidding pens to handling 
pens, where the kids in groups of about 50 remain for several days before being moved to mix- 
ing pens capable of holding the kids from several handling pens. 
