Pivotal periods for pregnancy loss during the first trimester of gestation in lactating dairy cows

MC Wiltbank, GM Baez, A Garcia-Guerra, MZ Toledo… - Theriogenology, 2016 - Elsevier
Loss of pregnancy can occur at many different stages of gestation and for a variety of causes
but clearly produces a negative impact for reproductive and economic performances of dairy …

Factors that optimize reproductive efficiency in dairy herds with an emphasis on timed artificial insemination programs

CE Cardoso Consentini, MC Wiltbank, R Sartori - Animals, 2021 - mdpi.com
Simple Summary Reproductive efficiency is critical for profitability of dairy operations. The
first part of this manuscript discusses the key physiology of dairy cows and how to practically …

[HTML][HTML] Effect of a second treatment with prostaglandin F2α during the Ovsynch protocol on luteolysis and pregnancy in dairy cows

MC Wiltbank, GM Baez, F Cochrane, RV Barletta… - Journal of dairy …, 2015 - Elsevier
The main objective of this study was to evaluate the effect of a second treatment with
prostaglandin F 2α (PGF) during Ovsynch on regression of the corpus luteum (CL) and on …

[HTML][HTML] Effect of progesterone from corpus luteum, intravaginal implant, or both on luteinizing hormone release, ovulatory response, and subsequent luteal …

LO e Silva, NP Folchini, RLOR Alves, G Madureira… - Journal of Dairy …, 2023 - Elsevier
This study aimed to determine the effect of circulating progesterone (P4) concentrations
produced by a corpus luteum (CL) or released by an intravaginal P4 implant (IPI) on GnRH …

Increase in reproductive ability of high-producing cows, and qualitative parameters of their offspring, under conditions of intensive milk production

KB Baimishev, MH Baimishev… - Asian Pacific Journal …, 2018 - journals.lww.com
Objective: To study the methods of increasing the reproductive qualities and indices of
viability in the offspring of Holstein cows under conditions of intensive milk production …

Increased dietary energy alters follicle dynamics and wave patterns in heifers

RR Domingues, OJ Ginther, MZ Toledo… - …, 2020 - rep.bioscientifica.com
Understanding the impacts of nutrition on reproductive physiology in cattle are fundamental
to improve reproductive efficiency for animals under different nutritional conditions. Starting …

Early induction of luteolysis in a timed AI protocol increases reproductive performance in beef cows

EP Silva, AQ Antoniazzi, JBS Borges… - Domestic Animal …, 2024 - Elsevier
The aim of this study was to produce a longer proestrus by early administration of
prostaglandin F2α (PGF) in a timed artificial insemination (TAI) protocol in non-suckling Bos …

[HTML][HTML] Connection of reproductive indices of high-productive cows with duration of their dead-wood period

MH Baimishev, SP Eremin… - Biomedical and …, 2017 - biomedpharmajournal.org
It is possible to raise productivity of cattle only on the basis of continuation of studying the
capacities of reproductive system in high-productive cows in interconnection with indices of …

[HTML][HTML] Eficácia da associação dupla dose PGF2 alfa-eCG no proestro de vacas leiteiras mestiças submetidas à IATF

AS Rodrigues, MAA Silva, TO Brandão… - Pesquisa Veterinária …, 2018 - SciELO Brasil
Objetivou-se avaliar o efeito de uma ou duas doses de prostaglandina F2α (PGF2α)
associada ou não a gonadotrofina coriônica equina (eCG) sobre a dinâmica folicular, a …

Способы искусственного регулирования полового цикла маточного поголовья абердин-ангусской породы

ЕЮ Гуминская, СВ Сидунов, РВ Лобан… - Известия …, 2024 - vestiagr.belnauka.by
Аннотация Исследование направлено на изучение эффективности использования
схем OvSynch и Co-Synch с последующей ресинхронизацией на мясных коровах и …