Pregnancy determination in cattle and goats from milk

The milk test in the laboratory

  • For the first time, pregnancy in cattle and goats can be determined from a milk sample
  • Detection of pregnancy-associated glycoproteins (PAGs) provides reliable indication of pregnancy
  • Detection reliability comparable with ultrasound and rectal palpation
  • Simple and for the embryo risk-free sampling by the farmer or the farmer's wife
  • Timely detection of non-pregnant animals to shorten calving/lambing intervals
  • Useful supplement to veterinary herd management

The time of investigation

From the 28th day after insemination/occupancy At least 60 days interval to the last calving/lambing.

The milk sample

  • Provision of the sampling sets by AGES.
  • Milk tubes contain preservatives to prevent lactic acidification
  • Discard foremilk (first 3-4 beams).
  • Fill and mix 1 milk tube per animal to ¾ capacity
  • Label milk tubes consecutively 1,2....
  • Fill in the sample accompanying form completely


  • By mail, courier or parcel service
  • Personal delivery during opening hours
  • No refrigeration required during transport


  • Pregnant
  • Not pregnant
  • Doubtful

If the laboratory result is doubtful, pregnancy can neither be determined with certainty nor excluded; therefore, a new sample should be sent.


Inquiries about examination costs by mail ( or by phone at +43 50 555-45111. Transport costs are at the expense of the sender.

Investigative Agency

The pregnancy determination is carried out by the Institute of Veterinary Medicine Linz.

The sampling sets can be requested by telephone or by mail.

For more information on pregnancy determination in cattle and goats from milk, please refer to the Animal Health folder.

Last updated: 31.08.2023

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