Oestrus synchronization in goats using impregnated intravaginal progesterone sponge and buck effect

A study was conducted with the objective to compare the efficacy of the intravaginal progesterone sponge and buck effect on oestrus synchronization, conception rate and oestrous behaviour during non-breeding season in non-descript goats. The study was carried out from November, 2015 to February, 2016 and does (n=18) were divided into three equal groups. T1 group was treated with intravaginal progesterone (P4) sponge kept in situ for 15 d (350mg P4/sponge) and T2 group was teased with a sexually active aproned buck for 6 h/dy for 15 d. The does in control group were kept without any treatment. The does in T1 group exhibited 100% oestrus as against 50% in T2 group within 72 h of treatment. The interval between removal of sponge and onset of oestrus was significantly (P