Development of a letrozole-based synchronization protocol for fixed-time artificial insemination in beef cattle

EM Zwiefelhofer, W Lillico, GP Adams - Animal Reproduction Science, 2022 - Elsevier
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 …

Research and development of a silicone letrozole-releasing device to control reproduction in cattle

EM Zwiefelhofer, BM Davis, GP Adams - Theriogenology, 2020 - Elsevier
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 …

Effect of a non-steroidal aromatase inhibitor on ovarian function and synchronicity of estrus in ewes at subtropics

AD MA - Journal of Applied Veterinary Sciences, 2020 - journals.ekb.eg
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 …

Aromatase inhibitor treatment with an intravaginal device and its effect on pre-ovulatory ovarian follicles in a bovine model

J Yapura, RJ Mapletoft, RA Pierson, J Singh… - Reproductive Biology …, 2013 - Springer
Background Letrozole, a non-steroidal aromatase inhibitor, prevents the body from
producing its own estrogen. The objectives of the present study were to test the hypotheses …