230 Western Live-stock Management 
These terms originated at a time when about the only 
sheep in common use were scrubs or natives and Merinos. 
The terms one-half blood, and the like were used to des- 
ignate the wools obtained from sheep having that pro- 
portion of Merino blood. Custom has gradually caused 
these terms to be used for certain definite grades of wool 
regardless of the breeding. There are, of course, other 
terms used, especially to designate sub-classes. 
Shrinkage or condition. 
When the wool comes from the sheep’s back, it contains 
a large proportion of oil or grease, together with a con- 
siderable quantity of dirt, sand, and other foreign matter. 
The buyer buys grease wools solely for the scoured wool 
they may contain. The grease and dirt are worth noth- 
ing to him. All of this material has to be removed in the 
scouring process and is a complete loss. The actual 
percentage of shrinkage varies with the weather, the soil, 
the method of handling, and with the breeding. Generally 
speaking, the fine wool ordinarily shrinks between 60 
and 70 per cent, while the shrinkage on braid wool 
SHRINKAGE oF Various STATES 
Deer Estimatep AVERAGE SHRINKAGE 
Grapes Figures 
i a Montana | Idaho | Wyoming | Utah 
Fine and fine 
med. . . .| 67.25% | 64-65% | 67-68 % | 68-70% | 66-67 % 
3-blood . . . | 62.28 61-62 | 62-64 | 63-65 | 61-63 
B-blood . . . | 53.83 55-57 | 58-60 | 58-60 | 57-59 
t-blood . . .|48-0O8 [51-53 | 54-56 | 54-56 | 538-55 
Braid. . 46-48 | 48-51 49-50 | 48-49 
