The cow as an induced ovulator: Timed AI after synchronization of ovulation
MC Wiltbank, JR Pursley - Theriogenology, 2014 - Elsevier
Timed-AI after synchronization of ovulation has become one of the most used reproductive
technologies developed during the past 40 years. Various adaptations of this technology are …
technologies developed during the past 40 years. Various adaptations of this technology are …
Effects of separation of cows and calves on reproductive performance and animal welfare in tropical beef cattle
A Orihuela, CS Galina - Animals, 2019 - mdpi.com
Simple Summary This review summarizes knowledge on the separation of cows and calves
and its effect on the onset of ovarian activity and animal welfare, principally in tropical beef …
and its effect on the onset of ovarian activity and animal welfare, principally in tropical beef …
Plasma Antimullerian Hormone as a Predictor of Ovarian Antral Follicular Population in Bos indicus (Nelore) and Bos taurus (Holstein) Heifers
EOS Batista, GG Macedo, RV Sala… - … in Domestic Animals, 2014 - Wiley Online Library
Contents In Bos taurus cattle, antimullerian hormone (AMH) has been demonstrated to have
a high degree of correlation with ovarian antral follicle count and the number of healthy …
a high degree of correlation with ovarian antral follicle count and the number of healthy …
Research on timed AI in beef cattle: Past, present and future, a 27-year perspective
PLJ Monteiro, CEC Consentini, JPN Andrade… - Theriogenology, 2023 - Elsevier
This review aimed to (1) summarize the results from fixed-timed artificial insemination (TAI)
fertility studies performed during the last 27 years;(2) compile and evaluate, as examples …
fertility studies performed during the last 27 years;(2) compile and evaluate, as examples …
[HTML][HTML] Accessory corpus luteum induced by human chorionic gonadotropin on day 7 or days 7 and 13 of the estrous cycle affected follicular and luteal dynamics and …
TO Cunha, LR Statz, RR Domingues… - Journal of Dairy …, 2022 - Elsevier
Our objective was to determine the effect of inducing an accessory corpus luteum (CL) with
human chorionic gonadotropin (hCG; 3,300 IU) on d 7 (hCG7) or 2 accessory CL with hCG …
human chorionic gonadotropin (hCG; 3,300 IU) on d 7 (hCG7) or 2 accessory CL with hCG …
Timed artificial insemination plus heat I: effect of estrus expression scores on pregnancy of cows subjected to progesterone–estradiol-based protocols
E Nogueira, MR Silva, JCB Silva, UPG Abreu… - Animal, 2019 - cambridge.org
Expression of estrus near timed artificial insemination (TAI) is associated with greater fertility,
and estrus detection could improve TAI fertility or direct TAI management, although accurate …
and estrus detection could improve TAI fertility or direct TAI management, although accurate …
Different doses of equine chorionic gonadotropin on ovarian follicular growth and pregnancy rate of suckled Bos taurus beef cows subjected to timed artificial …
GA Pessoa, AP Martini, GW Carloto, MCC Rodrigues… - Theriogenology, 2016 - Elsevier
This study evaluated the effect of different doses of eCG (control, 300 or 400 IU)
administered at progesterone (P4) device removal in suckled Bos taurus beef cows …
administered at progesterone (P4) device removal in suckled Bos taurus beef cows …
[HTML][HTML] Increasing estradiol benzoate, pretreatment with gonadotropin-releasing hormone, and impediments for successful estradiol-based fixed-time artificial …
PLJ Monteiro Jr, M Borsato, FLM Silva, AB Prata… - Journal of dairy …, 2015 - Elsevier
With the objective to optimize fixed-time artificial insemination (FTAI) protocols based on
estradiol benzoate (EB) and progesterone (P4), we performed 2 experiments (Exp.) in dairy …
estradiol benzoate (EB) and progesterone (P4), we performed 2 experiments (Exp.) in dairy …
Resynchronization with unknown pregnancy status using progestin-based timed artificial insemination protocol in beef cattle
MF Sá Filho, MO Marques, R Girotto, FA Santos… - Theriogenology, 2014 - Elsevier
Two experiments were designed to evaluate the use of resynchronization (RESYNCH)
protocols using a progestin-based timed artificial insemination (TAI) protocol in beef cattle. In …
protocols using a progestin-based timed artificial insemination (TAI) protocol in beef cattle. In …
Early resynchronization of non-pregnant beef cows based in corpus luteum blood flow evaluation 21 days after Timed-AI
MP Palhão, AC Ribeiro, AB Martins, CRB Guimarães… - Theriogenology, 2020 - Elsevier
The study aimed to verify whether a hormone protocol started at Day 13 (D13) after Timed
Artificial Insemination (TAI) influences the conception rate. Nelore cows (primiparous and …
Artificial Insemination (TAI) influences the conception rate. Nelore cows (primiparous and …