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Kansas State Veterinary Diagnostic Laboratory

Kansas State Veterinary Diagnostic Laboratory
Kansas State University
1800 Denison Avenue
Manhattan, KS 66506
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KSVDL Client Care
General Inquiries
785-532-5650 or
866-512-5650
Fax: 785-532-4835
clientcare@vet.k-state.edu

KSVDL Business Office
Billing Inquiries
785-532-3294 or
866-884-3867
Fax: 785-532-3502
vdlbusiness@vet.k-state.edu

Regular business hours:
8 am - 5 pm Mon.-Fri.
8 am - noon Sat.

Diagnostic Insights for Veterinary Nurses
April 2020

Test Sample Size Guidelines

By Rachel Corn, VT

To ensure the best possible results from testing, a correct sample size is necessary. Some tests can be completed on a very small amount of sample, while others require a larger section. 

Below is a table with some of the common tests and the appropriate sample size. If you are requesting that more than one test be completed on a single sample, a larger sample will be required. In all cases, it never hurts to send an extra sample, in case additional testing is needed. 

 

TESTSAMPLEEQUAL TO SIZE OF:
Fecal Float0.2 oz of feces1 Hershey Kiss
CultureFor fresh tissue:
A good rule of thumb is to send a piece 3 in. x 3 in.
1 tennis ball
PCR0.2 oz of tissue or feces or 2.0 ml of fluid/whole blood1 large marshmallow
Serology0.5 ml of serum for most tests-
Virology0.5 ml of serum for most tests-
Necropsy histopathologyTissue no more than 0.5 in. thick-
Histopathology on a mass or spleenThe entire mass or spleen-

 

For more information, please visit Tests and Fees or call Client Care at 866-512-5650.

 

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