Numerous treatments and protocols have been used to control the reproductive cycle in
cattle, with varying effectiveness and many involving the administration of steroid hormones …

The aim of this study was to determine the pharmacokinetics of letrozole and its effect on
FSH and LH concentrations after single (IV, IM, SC) and repeated IV doses in anestrous …

Oestrus detection is currently atáthe top ofáthe factors limiting the success ofáartificial
insemination inádairy herds. This limitation becomes more pronounced asámilk production …

Experiments were done to determine ovulation synchrony following a 4-day letrozole
treatment (Exp 1), compare the efficacy of a letrozole-based protocol with other commonly …

Two experiments were conducted to test the effectiveness of a silicone matrix as an
intravaginal drug delivery device for letrozole, an aromatase inhibitor used for …

Effects of non-steroidal aromatase inhibitor letrozole on ovarian function in ewe were
investigated through testing the hypothesis that letrozole will arrest the growth of dominant …

The largest cause of reproductive loss is that the animal fails to become pregnant at a
specified interval and/or during the breeding season. Heifers and cows fail to become …