The study revealed that the group 3 which fed balanced feed with vitaminised chelated oxicareovn solution have highest conception rate . % and followed by group 2 (Balanced feed with vitaminised chelated mineral mixture) and group 1 (Balanced feed without mineral and vitamin mixture) viz. and %, respectively. On the basis hormone protocol, the animals which were treated with KVKRDDC protocol have highest conception rate of % and followed by GPG+CIDR (), GPG-56(), GPG-48() and no hormone protocol (). On the basis of different managemental conditions, highest conception rate were of at commercial dairies . and followed by village animals () and Gaushala’s (). | Effect of different hormonal protocols and nutrient supplementation on reproductive performance of cattle under different field conditions