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J Am Vet Med Assoc. 2015 Jan 15;246(2):245-53. doi: 10.2460/javma.246.2.245.

Evaluation of plasma fibrinogen concentration as a diagnostic indicator of inflammation in red-eared sliders (Trachemys scripta elegans).

Author information

1
Department of Pathobiology, College of Veterinary Medicine, University of Illinois, Urbana, IL 61802.

Abstract

OBJECTIVE:

To critically evaluate plasma fibrinogen concentration as a diagnostic indicator of inflammation in red-eared sliders (Trachemys scripta elegans).

DESIGN:

Prospective induced-disease model and prospective cross-sectional study.

SAMPLE:

Plasma samples from 12 purpose-bred red-eared sliders and 153 farm-raised red-eared sliders.

PROCEDURES:

A modification of the Jacobsson method was developed to measure fibrinogen concentration in platelet-poor plasma from red-eared sliders. Purpose-bred turtles had been inoculated with a ranavirus (n = 4) or sterile PBS solution (8) as part of another study. Farm-raised red-eared sliders were categorized as healthy (n = 138) or overtly ill (15) on the basis of physical examination findings at the time of blood sample collection. Samples from 124 of the 138 healthy red-eared sliders were used to establish a fibrinogen concentration reference interval as measured by the modified Jacobsson method. Fibrinogen concentrations in ranavirus-infected and physically ill turtles were compared with those of healthy turtles to determine whether fibrinogen concentration would be a useful diagnostic indicator of inflammation in red-eared sliders.

RESULTS:

The modified Jacobsson method was reliably used to measure fibrinogen concentration. The fibrinogen concentration reference interval from healthy reproductively active female red-eared sliders was right skewed. Fibrinogen concentration did not differ significantly between healthy red-eared sliders and ranavirus-infected or overtly ill red-eared sliders.

CONCLUSIONS AND CLINICAL RELEVANCE:

A reference interval for red-eared slider plasma fibrinogen concentration was established and partitioned by sex to account for considerable right skewing observed for females. Fibrinogen concentration was not a useful indicator of inflammation in red-eared sliders with ranavirus infection or other overt illnesses.

PMID:
25554942
DOI:
10.2460/javma.246.2.245
[Indexed for MEDLINE]

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