2010
DOI: 10.1016/j.anireprosci.2010.08.019
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Circulating hormone concentrations within a pulse of a metabolite of prostaglandin F2α during preluteolysis and early luteolysis in heifers

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Cited by 34 publications
(21 citation statements)
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“…To distinguish between fluctuations and pulses, the intra-assay coefficient of variation (CV) was used as described [36]. Each PGFM fluctuation with an increase and decrease encompassing at least four hours, including nadirs, was evaluated.…”
Section: Experiments 2 Effect Of 2-hour Infusion Of Ot On Pgfm Pulsesmentioning
confidence: 99%
“…To distinguish between fluctuations and pulses, the intra-assay coefficient of variation (CV) was used as described [36]. Each PGFM fluctuation with an increase and decrease encompassing at least four hours, including nadirs, was evaluated.…”
Section: Experiments 2 Effect Of 2-hour Infusion Of Ot On Pgfm Pulsesmentioning
confidence: 99%
“…Entretanto a PGFM, apresenta meia-vida um pouco maior, cerca de oito minutos. Desta forma, em vários estudos utilizou-se a quantificação plasmática de PGFM para indicar concentrações de PGF2α (KOTWICA et al, 1997;LAMMING, 1999;SANTOS et al, 2009;BEG, 2010). A liberação pulsátil de PGF2α uterina é determinante para o desencadeamento da luteólise (SILVIA et al, 1991).…”
Section: Revisão De Literaturaunclassified
“…Durante este período, cinco a oito pulsos luteolíticos de PGF2α são liberados em um intervalo de 48 a 72 horas. Os primeiros pulsos correspondem à liberação de picos com concentrações menores que 100 pg/mL de PGFM e posteriormente aumentam até atingir picos de aproximadamente 500 pg/mL de PGFM, que determinam a regressão funcional e estrutural do CL (KINDAHL et al,1976;GINTHER et al, 2010 KASTELIC, 1989;NISWENDER et al, 1994;GINTHER et al, 2009). Durante a metade ou final da fase luteínica, uma única aplicação de PGF2α promove diminuições nas concentrações de P4 e consequentemente ocasiona a luteólise (GIN-THER et al, 2007;SHRESTHA et al, 2011).…”
Section: Revisão De Literaturaunclassified
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