Common Etiologies of Locomotor Disease in the Nursery Phase of Pigs

Percentage of Total Cases of Disease

Etiology

Nervous System

Musculoskeletal System

Total

Streptococcus suis

46.7

13.9

60.6

Mycoplasma hyorhinis

0

10.1

10.1

Glaesserella parasuis

2.0

6.2

8.2

Sodium toxicity

4.4

0

4.4

Trueperella pyogenes

1.1

2.4

3.4

Sapelovirus

2.6

0

2.6

Porcine reproductive and respiratory syndrome virus (PRRSV)

2.2

0

2.2

Streptococcus sp

0.3

1.7

2.0

Metabolic bone disease

0

1.8

1.8

Astrovirus

1.2

0

1.2

Staphylococcus sp

0.3

0.6

0.9

Actinobacillus suis

0.2

0.7

0.9

Teschovirus

0.7

0

0.7

Mycoplasma hyosynoviae

0

0.6

0.6

Erysipelas

0

0.3

0.3

Ionophore toxicity

0

0.2

0.2

Total cases

61.7

38.3

100

Source: Raw data from Iowa State University Veterinary Diagnostic Laboratory, 2018–2022.