From: Bovine mastitis: prevalence, risk factors and isolation of Staphylococcus aureus in dairy herds at Hawassa milk shed, South Ethiopia
Quarter
No. examined
No. positive
Prevalence (%)
Ļ 2
p
Right hind
504
249
49.4
Ref
Left hind
223
44.2
2.7
0.101
Right fore
507
132
26.0
59.0
<0.001
Left fore
511
125
24.5
67.6