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Seasonal Variation In The Ability Of Milk And Whey To Support Lactic Culture Growth, Rick Cameron Norton
Seasonal Variation In The Ability Of Milk And Whey To Support Lactic Culture Growth, Rick Cameron Norton
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Milk samples from two cheese plants with overlapping milk supplies were collected monthly for one year in an attempt to measure seasonal variation in the ability of milk and whey to support lactic culture growth . Treatments to control and minimize variability of milk or whey were evaluated to optimize stability in starter culture performance.
Raw milk samples were tested for somatic cell counts, activity tests (modified Horrall- Elliker), acid degree values, and total plate counts. Activity (modified Horraii-EIIiker) and inhibitory tests were also performed on pasteurized, pasteurized-vacuumized and high heat milk treatments.
Rennet whey (heated and unheated) was collected …