Samples, sample selection, and statistics: living with uncertainty.
The author explains how to determine how many animals in a population need to be sampled when monitoring for pathogens. He concludes that even with perfect testing programs, there is always a chance that an infected animal will be missed.
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Charles River Laboratories, 251 Ballardvale St., Wilmington, MA 01887, USA. cclifford@criver.com
Clifford
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D000818:Animals; D000830:Animals, Laboratory; D006799:Housing, Animal; D017053:Infection Control; D007239:Infections; D015233:Models, Statistical; D011786:Quality Control; D018401:Sample Size; D012680:Sensitivity and Specificity; D013048:Specimen Handling