Dairy Laboratory Testing Guidelines

Laboratory testing on a dairy.

DPC 7, Sampling Fluid Milk

DPC 7, Sampling Fluid Milk

This guideline gives detailed information on the proper procedures for sampling milk on the farm, from the tank truck, and in the milk plant. It also briefly gives the steps for proper bulk milk collection at the farm. Also see DPC Guideline # 50.

$10.00

DPC 10, Maintaining and Testing Fluid Milk Shelf Life

DPC 10, Maintaining and Testing Fluid Milk Shelf Life

The purpose of this guideline is to provide the dairy processor and other interested parties with recommendations for optimizing pasteurized product shelf-life.

$8.50

DPC 11, Sediment Testing and Producing Clean Milk

DPC 11, Sediment Testing and Producing Clean Milk

This guideline presents the merits of the sediment test; describes sediment testing methods, reference standards, & interpretation; provides an overview of applicable regulations; and concludes with best management practices to produce clean milk.

$8.00

DPC 17, Prevention of and Testing for Added Water in Milk

DPC 17, Prevention of and Testing for Added Water in Milk

This guideline describes proper production and sampling techniques, on the farm, in the tank truck and at the plant, to prevent the addition of water to milk as well as correct laboratory testing procedures to aid in its accurate detection.

$10.00

DPC 21, Raw Milk Quality Tests

DPC 21, Raw Milk Quality Tests

This guideline provides information on the common tests used for evaluating the quality of raw milk.

$11.00

DPC 22, Control of Antibacterial Drugs and Growth Inhibitors in Milk and Milk Products

DPC 22, Control of Antibacterial Drugs and Growth Inhibitors in Milk and Milk Products

This guideline is designed to give some general information about the control of antibacterial drugs and growth inhibitors in milk and milk products.

$10.00

DPC 24, Troubleshooting High Bacteria Counts of Raw Milk

DPC 24, Troubleshooting High Bacteria Counts of Raw Milk

This guideline is designed to help laboratory, field personnel, and producers determine the cause and methods of correction of high bacteria counts in raw milk.

$15.00

DPC 32, Component Test Variations in Raw Milk (Fat, Protein, Other Solids)

DPC 32, Component Test Variations in Raw Milk (Fat, Protein, Other Solids)

This guideline discusses many of the reasons for component (fat, protein, other solids) test variations in raw milk.

$8.50

DPC 34, Butterfat Determination of Various Products

DPC 34, Butterfat Determination of Various Products

This Guideline provides the most commonly used chemical tests for the determination of butterfat in various dairy products.

$15.00

DPC 38, Preventing Off-Flavors in Milk

DPC 38, Preventing Off-Flavors in Milk

This Guideline is a merger of DPC Guidelines #23, Preventing Rancid Flavors in Milk and #38, Preventing Off-Flavors in Milk.

$13.50

DPC 59, Production and Regulation of Quality Dairy Goat Milk

DPC 59, Production and Regulation of Quality Dairy Goat Milk

This guideline deals with milk quality standards as applied to goat milk and is considered an introductory guideline to goat milk production.

$14.00

DPC 60, Trouble Shooting Microbial Defects in Dairy Processing Plants: Product Line-Sampling and Hygiene Monitoring

DPC 60, Trouble Shooting Microbial Defects in Dairy Processing Plants: Product Line-Sampling and Hygiene Monitoring

This guideline details product line sampling of fluid milk and non-fluid dairy procedures for microbiological testing.

$6.00