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Os processos de ovulação e reinício da meiose oocitária são mediados pela interação entre angiotensina ii, progesterona e prostaglandinas
(Universidade Federal de Santa Maria, 2011-02-28)
Angiotensin II (AngII), progesterone (P4) and prostaglandins (PGs) are essential for ovulation
of a fertile oocyte. This study sought to understand how these factors are linked together during the ovulatory process. To ...
Expressão de receptores de angiotensina II no desenvolvimento folicular e participação na regulação da maturação de oócitos bovinos
(Universidade Federal de Santa Maria, 2004-08-31)
This study was designed to investigate the role played by AngII receptors (AT1 and AT2) in follicle development and maturation of bovine oocytes. Receptor expression was assessed by the RT-PCR technique using preantral ...
Influência da atmosfera gasosa e da fonte protéica sobre o desenvolvimento embrionário in vitro e taxa de prenhez em bovinos
(Universidade Federal de Santa Maria, 2006-05-18)
The embryonic development and pregnancy rates are influenced by
variations in embryo in vitro production (IVP) systems and protocols for bovine
embryos, such as gaseous atmosphere, culture media and the protein supply
adopted ...
Caracterização de um novo modelo de maturação de oócito in vitro e participação do mTOR na ovulação em bovinos
(Universidade Federal de Santa Maria, 2016-02-26)
In the first study, we characterized an in vitro culture system able to delaying meiosis resumption of bovine oocytes. Firstly, we demonstrated that the use of an EGFR inhibitor (AG1478; 5μM) in a culture system with ...
Expressão de anexina II em oócitos e no desenvolvimento embrionário bovino
(Universidade Federal de Santa Maria, 2004-08-31)
The present study as conducted to examine semiquantitative gene expression of annexin II (ANEII) during all follicular phases of folliculogenesis in bovine, in preantral follicles and oocytes of antral follicles too in ...
Resistência anti-helmíntica de nematódeos gastrointestinais de ruminantes naturalmente infectados no estado do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2016-02-19)
Among the main diseases that affect ruminants around the world, infections by gastrointestinal nematodes display an important role. These infections, negatively impact the performance of the animals, compromising the ...
Infecção oral de neonatos de gerbils (Meriones unguiculatus) com taquizoítos de Neospora caninum
(Universidade Federal de Santa Maria, 2014-02-27)
Neosporosis is a parasite disease caused by Neospora caninum protozoan and characterized as a major cause of abortion in cattle. Eventually is possible birth of animals with neurological signs, stillbirths or birth of ...
Avaliação da atividade acaricida in vitro e in vivo de siloxanos organo-modificados em populações de Rhipicephalus microplus.
(Universidade Federal de Santa Maria, 2018-08-06)
Currently, the Rhipicephalus microplus infestation causes great losses to cattle production in Brazil. The control of R. microplus is carried out almost exclusively using chemical products. In this way, the availability ...
Análise bacteriológica, citológica e histopatológica do trato reprodutivo de vacas de abate
(Universidade Federal de Santa Maria, 2016-07-29)
Reproductive diseases, mainly endometritis, are important hurdles in cattle raising, In the current study we evaluated gross, bacteriological, cytological, and histological findings from selected sites of the genital from ...
Citologia aspirativa por agulha fina como método diagnóstico precoce em enfermidades em medicina veterinária
(Universidade Federal de Santa Maria, 2016-04-04)
Fine-needle aspiration cytology is an easy, rapid, low cost, and minimally invasive
technique, consequently contributes to a faster diagnosis leading to a faster decision,
mainly to provide welfare and quality of life ...