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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 ...
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 ...
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 ...
Interferon tipo I produzido por embriões in vitro na sinalização endócrina anterior ao período clássico de reconhecimento materno da gestação em bovinos
(Universidade Federal de Santa Maria, 2017-01-26)
Maternal recognition of pregnancy period in bovine is characterized when the concept secrets
IFNT and signals its presence inside maternal uterus. IFNT main function is to maintain
corpus luteum producing progesterone ...
Métodos de controle anti-helmíntico na pecuária de corte – impactos econômicos e consequências
(Universidade Federal de Santa Maria, 2019-03-08)
Brazilian beef cattle are constantly evolving and has reached levels that have made it one of the main economic sectors of the country. Infections by gastrointestinal nematodes constitute an important obstacle to the ...
Rotas de sinalização na divergência folicular e luteólise em bovinos
(Universidade Federal de Santa Maria, 2014-09-12)
It is well established that locally produced factors exert pivotal roles during dominant follicle selection, oocyte maturation, ovulation and luteolysis. However, the identification of these factors and pathways involved ...