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Pregnancy test could pick up cows that have lost a calf

Pregnancy test could pick up cows that have lost a calf >More in Milk samples taken for recording can be used for the test © NMR Using a milk test to detect pregnancy losses successfully identified early pregnancy loss in two cows that would otherwise have gone undetected, reducing days open and saving £985. The Idexx test detects pregnancy-associated glycoproteins (PAGs) in milk. These are produced in the placenta once the pregnancy is established.   Although the test can be used from 28 days following artificial insemination (AI), a trial between National Milk Records (NMR) and Raft Solutions on six farms and involving more than 1,000 cows found the test could be best integrated with a vet-led fertility programme at 70-100 days.

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