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Table 1 Scores assigned to clinical signs observed in pigs following inoculation of HP-PRRSV

From: Pathological and immunological characteristics of piglets infected experimentally with a HP-PRRSV TJ strain

Category of clinical sign

Symptom

Score

Systemic:

Normal

0

Apathy

1

Anorexia

2

Severe depression

5

Death

10

Respiratory:

Normal

0

Sneezing, Coughing

1

Tachypnea

2

Laboured breathing

3

Abdominal breathing

5

Other symptoms:

Normal

0

Diarrhea,

1

Conjunctivitis

2

Reddening of the ears

3

 Skin cyanopathy

5

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BMC Veterinary Research

ISSN: 1746-6148

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