Market Milk Microbiology Introduction Quiz

What is the purpose of pasteurization in the market milk industry?

In a pre-1900 US milk distribution system, how was milk typically collected from the farm?

Why would the pre-1900 milk distribution practices be considered unacceptable in the United States today?

What did Louis Pasteur discover in relation to heating wine, which led to the development of pasteurization?

What is the main reason for the growth of the market milk industry in major metropolitan areas?

What was the main catalyst for the growth of the market milk industry in major metropolitan areas?

What was the primary type of milk distributed in the pre-1900 US milk distribution system?

What transformation did the development of pasteurization bring to the market milk industry?

Why would the pre-1900 milk distribution practices be considered unacceptable in the United States today?

What did Louis Pasteur discover through his experiments with heating wine that led to the development of pasteurization?

Louis Pasteur discovered that by heating wine to 50-60°C for a few minutes, microbial spoilage could be prevented or delayed.

The primary type of milk distributed in the pre-1900 US milk distribution system was pasteurized milk.

The development of pasteurization transformed the market milk industry and expanded product distribution capabilities.

The pre-1900 milk distribution practices would be considered acceptable in the United States today due to improved public health standards.

The purpose of pasteurization in the market milk industry is to extend the keeping quality of milk.

Air is a significant source for microbial contamination in raw milk.

Bacterial counts of air in cowsheds or parlors usually exceed 200 CFU/liter.

Micrococci account for less than 50% of aerial microflora.

Airborne bacteria do not account for microbial contamination of raw milk.

Soil falling into a milking bucket during hand milking is a significant source of microbial contamination in raw milk.