Laboratory 3

1. Introduction
2. Review: Progesterone in cattle
   1. Normal cycle
   2. Pregnancy
3. Measurement of Milk Progesterone

Progesterone: Pregnancy

Progesterone levels remain high through gestation. Testing progesterone levels at 19-24 days after insemination will indicate pregnancy if the progesterone level is high. However, because of embryonic mortality and other reproductive disorders, confirmation of pregnancy by palpation is required.

Milk Assay