Summary
Bottle of dried Johnin PPD Sample. Used by Commonwealth Serum Laboratories (CSL) Ltd, Parkville, Victoria, 1947. Johnin is a product used as a diagnostic agent, analogous to tuberculin but made from mycobacterium paratuberculosis (the causative organism of Johne's disease) grown in a broth medium containing mycobacterium phlei (timothy hay bacillus); used as an allergen to provoke reactions in infected animals.
Physical Description
Glass jar with glass lid, bound in plastic. Contains brown powder in clumps. Paper label.
Significance
Example of CSL work on tuberculosis
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from CSL Ltd (Commonwealth Serum Laboratories), 24 Mar 2004
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Maker
CSL Ltd (Commonwealth Serum Laboratories), 45 Poplar Road, Parkville, Greater Melbourne, Victoria, Australia, 1947
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Inscriptions
Label: Jan/March 1947/Commonwealth Serum/Laboratories/Johnin P.P.D./(Dried)/2.017 gms.
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
4.5 cm (Width), 8 cm (Height)
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Keywords
