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Table 3 Absolute (AF) and relative (RF) frequency distribution according to udder status of observations (n = 20,519)

From: Assessment of genetic variation for pathogen-specific mastitis resistance in Valle del Belice dairy sheep

Pathogen

Status a

AF

RF

CNS

0

12,568

0.61

 

1

7951

0.39

STHAU

0

19,579

0.95

 

1

940

0.05

STR

0

19,978

0.97

 

1

541

0.03

ALL

0

13,246

0.62

 

1

8019

0.38

  1. CNS coagulase-negative staphylococci, STHAU Staphylococcus aureus, STR streptococci, ALL observed bacteriological colonies as described in M&M section
  2. a Udder status as binary record: 0 = not infected, 1 = infected