Topic:

Milk Quality Update

Membership Mailing: March 2026

Membership Mailing: February 2026

Access all of the documents from the February Membership Mailing below.

Membership Mailing: January 2026

Access all of the documents from the January Membership Mailing below.

Bacterial Growth and the Impact of Cooling Raw Milk

The four main requirements for harmful bacterial growth are food, water, heat and time. Milk is an excellent medium for bacteria growth, which you already know can be prevented with proper handling and cooling. Dig into the nitty gritty microbiology of raw milk with CROPP's National Milk Quality Manager James Miller. 

California Mastitis Testing (CMT) Fact Sheet

Bacterial Reference Guide

2025 Dairy Quality Premium Chart

Bacteria Count Combinations and Trouble Shooting

Troubleshooting guide for various bacterial count combinations as well as the quality test discard policy.

Milk Quality

How To Manage Mastitis Causing Bacteria

Milk Quality Video Resources

Interpreting Bulk Tank Culture Results

CROPP Cooperative Milk Quality Standards

Details of CROPP's Milk Quality Standards.

Bulk Tank Organisms Chart

Checklist: LPC

Checklist: PI & SPC

Collection of Individual Milk Samples

Bulk Tank Cultures Enrollment Form

Checklist: SCC