“…Despite the fact that artificial insemination (AI) is currently the most effective way to massively improve cattle herds (De Jarnette et al, 2009), timely detection of cows and heifers in heat and their effective insemination is one of the main problems associated with the use of AI in large dairy complexes (Skliarov et al, 2020;Wang et al, 2020;Pishchan et al, 2021).…”