Characteristics of Transudates and Exudates in Cattle, Horses, Dogs, and Cats

Parameter

Species

Transudate

Exudate

Total protein (g/dL)

All

< 2.5

> 3

Specific gravity

All

< 1.020

> 1.025

WBC count (109/L)

Cattle

0.5–5.0

> 8

Horses

0.5–5.0

> 8

Dogs, cats

< 3

> 5

Color

All

Colorless to yellow

Variable

Turbidity

All

Clear to moderate

Moderate to opaque

Bacteria

All

Absent

May be present

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