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The Ratio of Head Length to the Dimension of Certain Other Parts in Holstein-Friesian Cattle

Purdue University

Abstract

In this study the length of head is taken as the unit. The assumption has been made that a cow having an ideal form would show a definite ratio between the length of head; length of body; length of pelvis; length of pin-bones to stifle, and length from stifle to hock; height at withers; height at sternum and height and hock; width of shoulders; width at hips; and depth of chest. The assumed ratios are as follows:

1. Length of body = 3 times length of head.
   
2. Length of pelvis = 1 times length of head.
   
3. Length from pin-bones to stifle = 1 times length of head.
   
4. Length of stifle to hoek = 1 times length of head.
   
5. Width of shoulders = 1 times length of head.
   
6. Width of hips = 1 times length of head.
   
7. Height at sternum = 1 times length of head.
   
8. Height at hoek = 1 times length of head.
   
9. Height at withers = 2 times length of head.
   
10. Depth of chest = 1 times length of head.