Laboratory Tests for Pregnancy Diagnosis in Dairy Cows
Reliable methods for detecting early pregnancy in dairy cows include rectal palpation, ultra sound examination and laboratory-based tests that target proteins or hormones that become elevated in blood and/or milk during pregnancy.
Laboratory tests for pregnancy diagnosis in dairy cows (PDF, 1.5MB)
This fact sheet describes the range of laboratory tests for pregnancy diagnosis in dairy cows that are commercially available in Australia. Contact details of the major suppliers of the tests and the pros and cons of laboratory testing generally, is included.
Case studies demonstrate how dairy farmers have used laboratory tests for diagnosing pregnancy in their cows, and their experiences with this technology.
Greg Rogers, Katunga, Victoria
Greg Rogers milks 260 cows, mainly Friesians with a few Jerseys at Katunga in northern Victoria.
Case Study: Greg Rogers: Laboratory tests for pregnancy diagnosis in dairy cows (PDF, 2MB)
Pam Malcolm, Invergordon, Victoria
Pam Malcolm has been running Paringa Holsteins, in northern Victoria, since 1982. She milks 200 cows in a split-calving system.
Case Study: Pam Malcolm: Laboratory tests for pregnancy diagnosis in dairy cows (PDF, 552KB)