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 …

Alternative programs for synchronizing and resynchronizing ovulation in beef cattle

GA Bó, JJ De La Mata, PS Baruselli, A Menchaca - Theriogenology, 2016 - Elsevier
Fixed-time artificial insemination (FTAI) has been regarded as the most useful method to
increase the number of cows inseminated in a given herd. The main treatments for FTAI in …

Timed artificial insemination: current challenges and recent advances in reproductive efficiency in beef and dairy herds in Brazil

PS Baruselli, RM Ferreira, MHA Colli… - Animal …, 2018 - animal-reproduction.org
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 …

Synchronization of ovulation and fixed-time artificial insemination in beef cattle

GA Bó, PS Baruselli - Animal, 2014 - cambridge.org
The main objective of the implementation of artificial insemination (AI) in cattle is to produce
a sustained genetic progress in the herd. Although AI is an old reproductive biotechnology …

Using artificial insemination v. natural service in beef herds

PS Baruselli, RM Ferreira, MF Sá Filho, GA Bó - Animal, 2018 - cambridge.org
The aim of this review is to compare the performance of different reproductive programs
using natural service, estrus synchronization treatment before natural service (timed natural …

[HTML][HTML] Importance of estrus on pregnancy per insemination in suckled Bos indicus cows submitted to estradiol/progesterone-based timed insemination protocols

MF Sá Filho, JEP Santos, RM Ferreira, JNS Sales… - Theriogenology, 2011 - Elsevier
The objective was to evaluate the effect of estrus occurrence (based on removal of tail-head
marks) on ovarian responses and pregnancy per AI (P/AI; 30 d after AI) in suckled Bos …

Programs for fixed-time artificial insemination in South American beef cattle

GA Bó, E Huguenine, JJ de la Mata… - Animal …, 2018 - pmc.ncbi.nlm.nih.gov
Fixed-time artificial insemination (FTAI) has been widely applied in South America within the
last 20 years for the genetic improvement of commercial beef herds. Most FTAI treatments for …

Manipulation of follicle development to ensure optimal oocyte quality and conception rates in cattle

PS Baruselli, MF Sá Filho, RM Ferreira… - … in Domestic Animals, 2012 - Wiley Online Library
Contents Over the last several decades, a number of therapies have been developed that
manipulate ovarian follicle growth to improve oocyte quality and conception rates in cattle …

Improved fertility in suckled beef cows ovulating large follicles or supplemented with long-acting progesterone after timed-AI

G Pugliesi, FB Santos, E Lopes, É Nogueira, JRG Maio… - Theriogenology, 2016 - Elsevier
We aimed to evaluate the effects and the interaction of size of the preovulatory follicle (POF)
and long-acting progesterone (P4) supplementation after timed-AI on CL function and …

Fixed-time AI protocols replacing eCG with a single dose of FSH were less effective in stimulating follicular growth, ovulation, and fertility in suckled-anestrus Nelore …

JNS Sales, GA Crepaldi, RW Girotto, AH Souza… - Animal reproduction …, 2011 - Elsevier
The aim of the present study was to evaluate the effects of a single treatment with FSH on
diameter of the largest follicle and on conception rates of suckled Bos indicus beef cows …