Results 1 to 10 of about 7,496 (181)

Multiple roles of hypoxia in ovarian function: roles of hypoxia-inducible factor-related and -unrelated signals during the luteal phase [PDF]

open access: yes, 2015
There is increasing interest in the role of oxygen conditions in the microenvironment of organs because of the discovery of a hypoxia-specific transcription factor, namely hypoxia-inducible factor (HIF) 1.
Nishimura, Ryo, Okuda, Kiyoshi
core   +1 more source

Effects of Splenectomy on Luteolysis in Pseudopregnant Rabbits.

open access: yesJournal of Veterinary Medical Science, 1995
The effects of splenectomy on luteolysis in pseudopregnant rabbits were observed. Pseudopregnancy was induced in the rabbits by mating with vasoligated mature males and injection of human chorionic gonadotrophin (D0). In these rabbits, the concentration of serum progesterone increased for 7 days after the induction of pseudopregnancy.
K, Nariai   +3 more
openaire   +3 more sources

Effect of supplementation with different fat sources on the mechanisms involved in reproductive performance in lactating dairy cattle [PDF]

open access: yes, 2012
peer reviewedSupplementary fat positively influences reproductive performance in dairy cattle, although the mechanisms involved are not clearly defined. Our objective was to determine the effects of four different fat supplements on follicle development,
Butler, Stephen   +6 more
core   +1 more source

Ovarian Dynamic in Ongole Grade Cattle After GnRH Injection in Ovsynch Protocol Based on Progesterone Device [PDF]

open access: yes, 2015
PO cattle have weaknesses to show clear estrus signs which cause difficulty in artificial insemination implementation. The present study was designed to obtain ovarian dynamic as effect of GnRH injection in ovsynch protocol based on progesterone ...
Amrozi, A. (Amrozi)   +3 more
core  

Control of ovulation after prostaglandin treatment by means of ultrasonography and effect of the time of ovulation on conception rate in dairy cows [PDF]

open access: yes, 2013
Primiparous and multiparous lactating crossbred dairy cows (after Day 40 postpartum) with a mature corpus luteum (CL) (diameter of ≥ 17 mm determined by ultrasonography) and having a follicle with a diameter of ≥ 10 mm were treated with natural ...
Bajcsy, Árpád   +5 more
core   +1 more source

Uso da análise computacional de imagens de ultra-som na avaliação da ecotextura luteal e sua relação com a concentração de progesterona plasmática durante o ciclo estral de novilhas mestiças (Bos taurus taurus x Bos Taurus indicus). [PDF]

open access: yes, 2019
Edição dos anais da 21o.
AMORIM, L. S.   +8 more
core  

Manipulation of ovarian and uterine function to increase conception rates in cattle. [PDF]

open access: yes, 2016
In cattle, embryonic and fetal losses are the major causes of reproductive failureo Losses associated with failure in the process of maternal recognition of pregnancy can amount to as much as 30%0 Successful establishment of pregnancy depends on a ...
BERGAMASCHI, M. A. C. M.   +2 more
core  

ウシ卵巣における血管系の役割 -卵胞、黄体における血流およびホルモン分泌の変化- [PDF]

open access: yes, 2005
A transpectal color Doppler ultrasonography was used to assess changes in the ovarian structures and to determine blood flow that tale place in the follicle wall and within the corpus luteum (CL) dring specific physiological events such as ovulation, CL ...
Acosta, T. J.
core  

Dinâmica luteal em cabras da raça Toggenburg: caracterização morfológica e endócrina. [PDF]

open access: yes, 2019
Edição dos Resumos XXII Reunião Anual da Sociedade Brasileira de Tecnologia de Embriões, Guarujá, SP ...
ARASHIRO, E. K. N.   +7 more
core  

Investigations of Sodium Dependent Vitamin C Transporters in the Ovine Corpus Luteum [PDF]

open access: yes, 2008
SVCT1 and SVCT2 are two forms of sodium dependent vitamin C transporters within the sheep corpus luteum. A truncated version of SVCT2 has been observed in the human, and is inhibitory to SVCT1 & 2.
Paice, Shannon
core  

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