Quantitative Detection of Bacteriophage
Loads in the Ambient Air of Dairies
Despite worldwide efforts in developing phage-resistant starter cultures, bacteriophages are still the main cause of
acid interference
and, thus, product spoilage in dairies. Complete and careful phage monitoring is essential to replace
phagesensitive
cultures with phageresistant strains on time and to localize the internal source of infection.

An easy-to-use method will be presented here for quantitative detection of viral bacteriophages in the ambient air
of
dairies. This method guarantees high stability of the detected
bacteriophages under the normal storage and
transportation conditions
found in practice.

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