Made available in DSpace on 2022-05-01T12:09:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; Background: Progesterone (P4) is essential for embryonic development and maintenance of pregnancy when deficiency causes early embryonic loss. In this study, we investigated the ability of hormonal supplementation to improve the fertility of Nellore females subjected to fixed-time artificial inseminatio...