Aromatase inhibitors: A new approach for controlling ovarian function in cattle
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 …
cattle, with varying effectiveness and many involving the administration of steroid hormones …
Cholesterol-cyclodextrin complex as a replacement for egg yolk in bull semen extender: Sperm characteristics post-thawing and in vivo fertility
SX Yang, GP Adams, EM Zwiefelhofer… - Animal Reproduction …, 2021 - Elsevier
Egg yolk, a major semen extender constituent, lacks a defined composition, therefore, there
are biosecurity concerns with use of egg yolk. Cryopreservation of bull semen without …
are biosecurity concerns with use of egg yolk. Cryopreservation of bull semen without …
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 …
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 …
intravaginal drug delivery device for letrozole, an aromatase inhibitor used for …
Synchronization of ovulation in cattle with an aromatase inhibitor–based protocol
A study was designed to determine the effect of stage of the estrous cycle on the proportion
of animals that ovulated and the synchrony of ovulation of heifers treated with an aromatase …
of animals that ovulated and the synchrony of ovulation of heifers treated with an aromatase …