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The palpation of the reproductive system through the rectal wall (palpability of the rectum) has been routinely used in the diagnosis of pregnancy in cows since the beginning of the last century (10, 30). Up till now, it has been one of the basic methods in the reproduction management of cows (7). Each additional day of the period between transrectal examination performed after day 30 after insemination resulted in a 1.09 day increase in the interparturition period (48). Despite the emergence of new diagnostic methods, such as ultrasound and indirect pregnancy tests, the popularity of the method and the large confidence in it remain high (7, 12, 14, 17, 34, 36, 38, 40).

Rectal palpation for pregnancy checks in cows – the past or an alternative to modern diagnostic methods