Use of FSH in two different regimens for ovarian superstimulation prior to ovum pick up and in vitro embryo production in Holstein cows

JCB da Silva, RM Ferreira, M Maturana Filho… - Theriogenology, 2017 - Elsevier
We aimed with the present study to evaluate the effects of FSH treatment (200 mg) split in
four or six administrations on ovarian follicle stimulation and in vitro oocyte competence for …

[HTML][HTML] Effect of use and dosage of p-follicle-stimulating hormone for ovarian superstimulation before ovum pick-up and in vitro embryo production in pregnant …

CB Hayden, RV Sala, DC Pereira, JF Moreno… - Journal of Dairy …, 2023 - Elsevier
The benefit of ovarian superstimulation using exogenous FSH before ovum pick-up (OPU)
and in vitro embryo production (IVEP) has been the subject of conflicting results. The …

[HTML][HTML] Follicle superstimulation before ovum pick-up for in vitro embryo production in Holstein cows

LH Oliveira, CP Sanches, AS Seddon, MB Veras… - Journal of dairy …, 2016 - Elsevier
The objective was to evaluate in vitro embryo production (IVEP) in nonlactating Holstein
cows after ovarian superstimulation. Cows were randomly assigned in a crossover design to …

[HTML][HTML] Ovarian follicular dynamics, ovarian follicular growth, oocyte yield, in vitro embryo production and repeated oocyte pick up in Thai native heifers undergoing …

J Chasombat, T Nagai, R Parnpai… - … -Australasian journal of …, 2013 - ncbi.nlm.nih.gov
The objective of this study was to compare the effectiveness of the protocols for
superstimulation of follicular growth in Thai native heifers. Heifers (n= 20) were randomly …

Follicular development and superovulation response in cows administered multiple FSH injections early in the estrous cycle

AJ Roberts, JM Grizzle, SE Echternkamp - Theriogenology, 1994 - Elsevier
To determine whether follicular development, superovulation and embryo production were
affected by the absence or presence of a dominant follicle, cows were administered …

Synchronization of follicle wave emergence before ovarian superstimulation with FSH and ovum pick-up improves in vitro embryo production in pregnant heifers

CB Hayden, RV Sala, VA Absalón-Medina, JCL Motta… - Theriogenology, 2022 - Elsevier
The objective of the present study was to evaluate effects of synchronization of timing of
follicle wave emergence, before ovarian superstimulation and ovum pick-up (OPU), on …

Follicular growth, ovulation and embryo recovery in dairy cows given FSH at the beginning or middle of the estrous cycle

M Calder, R Rajamahendran - Theriogenology, 1992 - Elsevier
Variability in the superovulation response is an important problem for the embryo transfer
industry. The objective of this study was to determine whether FSH treatment at the …

[HTML][HTML] Superstimulation prior to the ovum pick-up to improve in vitro embryo production in lactating and non-lactating Holstein cows

LM Vieira, CA Rodrigues, AC Netto, BM Guerreiro… - Theriogenology, 2014 - Elsevier
The present study evaluated the efficacy of superstimulation with p-FSH (Folltropin) before
the ovum pick-up (OPU) on IVP in lactating and nonlactating Holstein donors. A total of 30 …

Effect of dominant follicle removal before superstimulation of follicular growth, ovulation and embryo production in Holstein cows

IH Kim, DS Son, SH Yeon, SH Choi, SB Park, IS Ryu… - Theriogenology, 2001 - Elsevier
This study was to investigate whether removing the dominant follicle 48 h before
superstimulation influences follicular growth, ovulation embryo production in Holstein cows …

Effect of low dose of FSH given at the beginning of the estrous cycle and subsequent superovulatory response in Holstein cows

R Rajamahendran, RS Canseco, CJ Denbow… - Theriogenology, 1987 - Elsevier
A total of 47 superovulations were conducted on forty non-lactating cows to evaluate two
different schemes using follicle stimulating hormone (FSH) for superovulating cattle. Cows …