Modifications of a digestion technique for the post-mortem recovery of bursate nematodes of sheep |
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| Authors: | IW Parnell BA PhD FRSE |
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| Institution: | Hydatid Research Unit, New Zealand Medical Research Council , Medical School , Dunedin |
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| Abstract: | All automated complement fixation test results and testing procedures carried out at the Central Brucellosis Laboratory for the Brucellosis Eradication Scheme undergo quality control checks. Auto-Analyzer performance is monitored by reagent concentrations, peak heights of the standard positive sera and percent transmission for 0% and 100% lysis of sheep red blood cells. Deviations in the size and form of sample peaks indicate problems with the serum sample or the testing system. A trial designed to detect inapparent errors found that these constituted 0.6% of the samples surveyed, while apparent errors caused 11.5% of routine serum samples to be retested. The introduction of more stringent quality control measures reduced the number of samples requiring retesting to 3.4% of all samples tested. Continuing education of staff is considered an important means of improving the quality of laboratory work. |
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