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Table 2 Number of bulls with joint lesions graded from normal to deformed osteoarthritis (OA).

From: Joint disorder; a contributory cause to reproductive failure in beef bulls?

Classification

Bulls with poor fertility

Bulls with unsatisfactory sperm morphology

Bulls with satisfactory sperm morphology

Control bulls

Normal

4

4

 

1

Mild OA

3

3

 

6

Moderate OA

5

 

2

4

Severe OA

17

4

9

 

Deformed OA

5

3

1

 
  1. Number of bulls with joint lesions graded from normal to deformed osteoarthritis (OA) in bulls with impaired fertility (n = 34) and in control bulls (n = 11). Bulls with poor fertility and an unsatisfactory (n = 14) or a satisfactory (n = 12) sperm morphology are also included in the table.