Insemination of these animals may result in embryonic or foetal death.
More reliable methods for detecting early pregnancy in cattle are: Advantage: immediate result enabling early treatment of non-pregnant cattle.
This information should be used as a general guide for healthy pregnancy development, although development may vary due to the mother’s health or a miscalculation of ovulation.
Several methods are available to determine if a cow or heifer is pregnant.
If oestrus signs are not observed around 3 weeks after service or insemination, the cow is generally assumed to be pregnant.
Accuracy: depends on the experience of the practitioner and can reach 95%.
Rectal examination is usually carried done between 35 and 65 days post AI.