Search Results - "López‐Gatius, Fernando"

Negative photoperiod induces an increase in the number of ovulations in dairy cattle by LÓPEZ-GATIUS, Fernando

“…This study sought to examine the impact of negative photoperiod on the incidence of multiple ovulations and pregnancies in dairy cattle. The study population…”
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Advances in Dairy Cattle Reproduction-A Foreword by López-Gatius, Fernando

“…Dairy cattle have played an important role in economic development since the beginning of agriculture [...]…”
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Revisiting the Timing of Insemination at Spontaneous Estrus in Dairy Cattle by López-Gatius, Fernando

“…Cows show spontaneous estrus over 8-20 h but become refractory to the bull about 10-12 h before ovulation. This indicates that ovulation occurs 10-12 h after…”
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Association of genomic prediction for twin pregnancies with the incidence of double ovulation in primiparous dairy cows by Garcia‐Ispierto, Irina, Pal, Prasanna, Ganau, Sergi, López‐Gatius, Fernando

“…Twin pregnancies compromise the health and well‐being of dairy cattle. A recent genomic prediction model for twin pregnancies has been developed based on twin…”
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Twins in Dairy Herds. Is It Better to Maintain or Reduce a Pregnancy? by Lopez-Gatius, Fernando

“…Multiple ovulations and so multiple pregnancies have increased recently in dairy cattle. The incidence of the double ovulation impact in high producers at…”
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Presence of multiple corpora lutea affects the luteolytic response to prostaglandin F2α in lactating dairy cows by LÓPEZ-GATIUS, Fernando

“…Since the 1970s, luteolytic doses used for synchronizing estrus in dairy cattle have remained unchanged. This study aimed to evaluate the dose-response effect…”
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Clinical prospects proposing an increase in the luteolytic dose of prostaglandin F2α in dairy cattle by LÓPEZ-GATIUS, Fernando

“…Over the past few decades, the luteolytic dose of prostaglandin F2α (PGF2α) and its analogs, used to synchronize estrus for fixed-time insemination in dairy…”
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Pre-ovulatory follicular temperature in bi-ovular cows by LÓPEZ-GATIUS, Fernando, HUNTER, Ronald H.F.

“…In a previous study on monovular cows, follicles revealed a mean antral (follicular fluid) temperature 1.54°C cooler than rectal temperatures in ovulating…”
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Ovarian response to prostaglandin F2α in lactating dairy cows: A clinical update by LÓPEZ-GATIUS, Fernando

“…Prostaglandin F2α (PGF2α) and its analogs are used to induce luteolysis in estrus synchronization programs to terminate unwanted pregnancies or to promote…”
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Response to Therapeutic Abortion in Lactating Dairy Cows Carrying Dead Twins during the Late Embryo/Early Fetal Period by López-Gatius, Fernando

“…This study examined the dose–response effect of prostaglandin F2α (PGF2α) when used to induce abortion in cows with two dead twins at pregnancy diagnosis 28–34…”
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Abortion in dairy cattle with advanced twin pregnancies: Incidence and timing by Garcia‐Ispierto, Irina, López‐Gatius, Fernando

“…This study examines incidences and timing of abortion in Holstein Friesian dairy cows with advanced twin pregnancies in north‐eastern Spain. The study…”
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Improved embryo survival following follicular drainage of subordinate follicles for twin pregnancy prevention in bi-ovular dairy cows by GARCIA-ISPIERTO, Irina, LÓPEZ-GATIUS, Fernando

“…To prevent twin pregnancies in cattle, a simple transvaginal device can be used for follicular drainage. This study examines embryo survival following…”
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The effects of a single or double GnRH dose on pregnancy survival in high producing dairy cows carrying singletons or twins by GARCIA-ISPIERTO, Irina, LÓPEZ-GATIUS, Fernando

“…Pregnancy loss during the late embryonic and early fetal periods influences dairy herd economy. The objectives of this study were to (1) investigate the…”
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Sexing of Embryos at the Time of Twin Reduction: A Clinical Approach by López-Gatius, Fernando, Garcia-Ispierto, Irina

“…This study provides new unique information on bovine twin pairs during the late embryonic period (28-34 days of pregnancy) in relation to (1) a predictive…”
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Unilateral twin pregnancy: A non-infectious factor required for the etiological diagnosis of abortion in dairy herds by LÓPEZ-GATIUS, Fernando, GARCIA-ISPIERTO, Irina, HANZEN, Christian

“…Twin pregnancies are classified into bilateral (one fetus in each uterine horn: 44%) and unilateral (both fetuses in the same uterine horn, right or left:…”
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Twin reduction in the late embryonic period prevents the condition of freemartin in dairy cattle by Garcia‐Ispierto, Irina, Palacín‐Chauri, Roger J., López‐Gatius, Fernando

“…The condition of freemartinism occurs in the bovine heterosexual twin foetuses and refers to the resulting infertile female. Vascular anastomoses of the foetal…”
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Direct transfer of a single frozen–thawed in vitro‐produced embryo to avoid twin pregnancy in dairy cows by López‐Gatius, Fernando, Palacín‐Chauri, Roger J., Garcia‐Ispierto, Irina

“…Fertility of cow receiving fixed‐time artificial insemination (FTAI) was compared with cow in which a single frozen–thawed in vitro‐produced (IVP) embryo was…”
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Luteal activity following follicular drainage of subordinate follicles for twin pregnancy prevention in bi-ovular dairy cows by López-Gatius, Fernando, Garcia-Ispierto, Irina, Serrano-Pérez, Beatriz, Balogh, Orsolya G., Gábor, György, Hunter, Ronald H.F.

“…Twin pregnancy is undesirable in dairy cattle. This study examines luteal activity following ultrasound-guided puncture and drainage of the smaller…”
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Clinical Overview of Luteal Deficiency in Dairy Cattle by López-Gatius, Fernando, Garcia-Ispierto, Irina

“…Luteal deficiency is defined as reduced progesterone (P4) steroidogenesis by the corpus luteum (CL), either in the amount or duration, or both. This work…”
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Evaluation of a Commercial Pregnancy Test Using Blood or Plasma Samples in High-Producing Dairy Cows by López-Gatius, Fernando, Ganau, Sergi, Garcia-Ispierto, Irina

“…This study evaluated a commercial pregnancy-associated glycoproteins (PAGs)-based pregnancy test using whole blood or plasma samples during early pregnancy…”
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