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ISO 8607:2003

Artificial insemination of animals -- Frozen semen of breeding bulls -- Enumeration of living aerobic microorganisms

This standard has been reviewed and then confirmed in 2014 
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ISO 8607:2003 specifies a method for the enumeration of living aerobic microorganisms present in the frozen semen of breeding bulls. The colonies growing in a solid medium after aerobic incubation at 37 degrees Celsius are counted. The microbiological contamination of the sample is expressed as a number of colony-forming units of microorganisms per millilitre of the test sample.


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