PLOT OF MI*WEEK SYMBOL USED IS +
 PLOT CF UMI*WEEK SYMBOL USED IS *
 PLOT OF LMI*WEEK SYMBOL USED IS .
 Ml I
 11 +
 1


 10 +*

 *
 9+



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 8+


 7 *
 **
 *! *
 6+

 S* *



 S* +


 3
 -* *


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 3 + *
 o 4* *























 -4 +
 I
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 -5 *
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 ------------+---+--*------ ----------+-----+---+ ------+--- +---+--.--- ----..--. ---------+-. -----+.-----------
 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51




 Figure I.--Basis, barrows and gilts, 180-200 Ibs., Live Oak, Florida, 1972-1980.