Use of Intravaginal Progesterone-Releasing Inserts in a Synchronization Protocol before Timed AI and for Synchronizing Return to Estrus in Holstein Heifers
Keywords: تلیسه لبنیات; controlled internal drug-releasing insert; dairy heifer; timed artificial insemination; resynchronization; CIDR; controlled internal drugreleasing insert; GPG; synchronization regimen using sequential injections of GnRH and PGF2α to control;