Milk and Milk Products
An alkaline reaction in milk is caused by the alkali formers bacteria as

Pseudomonas fluorescens
both (a) and (b)
A. viscolactis
none of these

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Milk and Milk Products
Non bacterial ropiness or sliminess in milk and milk products may be due to the

sliminess resulting from the thickness of the cream
stringiness due to thin films of casein or lactalbumin during cooling
All of these
stringiness caused by mastitis and in particular by fibrin and leucocytes from the cow's blood.

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