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Related Experiment Videos

An efficient procedure for manual platelet counting.

J K Thibodeaux1, J D Roussel, R W Adkinson

  • 1Dairy Science Department, Louisiana State University, Baton Rouge, 70803.

The Veterinary Record
|October 14, 1989
PubMed
Summary
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A simplified method for counting dairy heifer platelets using a Neubauer haemocytometer was developed. Counting 10 squares accurately predicts total platelet counts, saving time and reducing errors in blood analysis.

Area of Science:

  • Veterinary Hematology
  • Dairy Cattle Research

Background:

  • Accurate platelet counts are crucial for diagnosing health issues in dairy heifers.
  • Manual platelet counting using a haemocytometer can be time-consuming and prone to fatigue-related errors.

Purpose of the Study:

  • To develop a more efficient and accurate manual method for counting platelets in dairy heifers.
  • To validate a simplified counting technique using the Neubauer haemocytometer.

Main Methods:

  • Blood samples were collected from 15 dairy heifers via jugular venipuncture.
  • Platelets were counted manually using a Neubauer haemocytometer.
  • A novel counting strategy involving 10 specific squares was tested for accuracy and efficiency.

Main Results:

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  • Platelets exhibited uniform distribution across the Neubauer haemocytometer grid.
  • Counting platelets in any 10 squares on either side of the haemocytometer accurately predicted total counts.
  • The simplified method significantly reduced counting time and potential errors.

Conclusions:

  • A simplified 10-square counting method provides an accurate and efficient alternative for manual platelet enumeration in dairy heifers.
  • This technique enhances the practicality of platelet counting in routine veterinary diagnostics and research.
  • The findings support improved diagnostic efficiency and reduced laboratory workload in bovine hematology.