a.1.(Physiol.) Of or pertaining to sexual desire; - mostly applied to brute animals; as, the œstrual period; œstrual influence.
References in periodicals archive ?
The cows were selected based on breeding history, physico-chemical characteristics of oestrual mucus and white side test.
Serum and oestrual cervical mucus bio-chemical profile during oestrous cycle in repeater cross bred cows.
All selected bitches were subjected to vaginal cytology and after oestrual stage confirmation, samples of vaginal secretion were obtained using sterile cotton swabs.