The document defines dairy terminology including: - Colostrum, the first milk produced after calving that is higher in nutrients and helps build immunity. - The Babcock Test, a traditional method to measure butterfat in milk still used to calibrate modern tests. - The California Mastitis Test, which detects somatic cells to determine inflammation in the udder. - CWT, meaning 100 pounds of milk. - Days in Milk, the number of days since the last calving until the current test date.

1. Dairy Terminology By John Wallace