Seventy years of progestagen treatments for management of the sheep oestrous cycle: Where we are and where we should go
A Gonzalez-Bulnes, A Menchaca… - Reproduction …, 2020 - CSIRO Publishing
Management of the ovine oestrous cycle is mainly based on the use of exogenous
hormones to mimic or enhance (progesterone and its analogues) or manipulate …
hormones to mimic or enhance (progesterone and its analogues) or manipulate …
Timed artificial insemination: current challenges and recent advances in reproductive efficiency in beef and dairy herds in Brazil
Beef and dairy productivity depends directly on the reproductive efficiency and genetic gain
of the herd, which can be related to the appropriate use of biotechnologies, such as timed …
of the herd, which can be related to the appropriate use of biotechnologies, such as timed …
Fixed-time artificial insemination with estradiol and progesterone for Bos indicus cows I: basis for development of protocols
M Meneghetti, OG Sá Filho, RFG Peres, GC Lamb… - Theriogenology, 2009 - Elsevier
Five experiments were conducted on commercial farms in Brazil aiming to develop a fixed-
time artificial insemination (TAI) protocol that achieved pregnancy rates between 40% and …
time artificial insemination (TAI) protocol that achieved pregnancy rates between 40% and …
Ovum pick up, in vitro embryo production, and pregnancy rates from a large-scale commercial program using Nelore cattle (Bos indicus) donors
JHF Pontes, FAM Sterza, AC Basso, CR Ferreira… - Theriogenology, 2011 - Elsevier
The objective was to clarify in vitro production of bovine embryos in Brazil. Data from 656
ovum pick-up/in vitro production (OPU/IVP) procedures, performed on 317 Nelore (Bos …
ovum pick-up/in vitro production (OPU/IVP) procedures, performed on 317 Nelore (Bos …
Fixed-time artificial insemination with estradiol and progesterone for Bos indicus cows II: Strategies and factors affecting fertility
OG Sá Filho, M Meneghetti, RFG Peres, GC Lamb… - Theriogenology, 2009 - Elsevier
In Experiments 1, 2, and 3, we evaluated the effects of temporary weaning (TW), equine
chorionic gonadotropin (eCG), and follicle-stimulating hormone (FSH) treatments on results …
chorionic gonadotropin (eCG), and follicle-stimulating hormone (FSH) treatments on results …
Comparison of embryo yield and pregnancy rate between in vivo and in vitro methods in the same Nelore (Bos indicus) donor cows
JHF Pontes, I Nonato-Junior, BV Sanches… - Theriogenology, 2009 - Elsevier
To investigate why the preferred means to produce bovine embryos in Brazil has changed
from in vivo to in vitro, we compared these two approaches in the same Nelore cows (n= 30) …
from in vivo to in vitro, we compared these two approaches in the same Nelore cows (n= 30) …
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 …
Reproductive cycles in Bos indicus cattle
R Sartori, CM Barros - Animal reproduction science, 2011 - Elsevier
Several studies using transrectal ovarian ultrasonic scanning in Bos taurus (B. taurus) cattle
and more recently in Bos indicus (B. Indicus) females evaluated the reproductive cycles of …
and more recently in Bos indicus (B. Indicus) females evaluated the reproductive cycles of …
Metabolic and endocrine differences between Bos taurus and Bos indicus females that impact the interaction of nutrition with reproduction
During the last decade, researchers have studied the differences in the reproductive
physiology between Bos taurus and Bos indicus breeds. This manuscript focuses on the …
physiology between Bos taurus and Bos indicus breeds. This manuscript focuses on the …
[HTML][HTML] Effects of two estradiol esters (benzoate and cypionate) on the induction of synchronized ovulations in Bos indicus cows submitted to a timed artificial …
JNS Sales, JBP Carvalho, GA Crepaldi, RS Cipriano… - Theriogenology, 2012 - Elsevier
The effects of estradiol benzoate (EB) and estradiol cypionate (EC) on induction of ovulation
after a synchronized LH surge and on fertility of Bos indicus females submitted to timed AI …
after a synchronized LH surge and on fertility of Bos indicus females submitted to timed AI …