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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 ...
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 ...
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 ...
Peptídeos natriuréticos e angiotensina-(1-7) durante o processo de ovulação em bovinos
(Universidade Federal de Santa Maria, 2015-02-20)
Ovulation is controlled by a complex and dynamic interaction of factors, including endocrine and vasoactive mechanisms, cellular messengers and activating enzymes. It is well established that locally produced factors exert ...
Diagnóstico e epidemiologia molecular de casos de raiva bovina na região central do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2014-10-20)
Rabies is an infectious disease of the central nervous system caused by the rabies virus (RABV), which affects all mammals. In Brazil the rabies has caused considerable losses to cattle herds in various regions. The official ...
Estresse oxidativo em eritrócitos de bovinos intoxicados por Senecio sp.
(Universidade Federal de Santa Maria, 2006-02-10)
Intoxication caused by Senecio sp is characterized by irreversible damage to liver cells and may be associated with oxidative stress. The aim of this study was to
evaluate the effects of intoxication by Senecio sp on ...
Desenvolvimento de oócitos bovinos mantidos em líquido folicular
(Universidade Federal de Santa Maria, 2001-06-22)
To evaluate the effect of maintenance of bovine oocytes in follicular fluid (LF) for in vitro production of embryos, 1322 Complex Cumulus Oophorus (CCO's) obtained from abattoir bovine ovaries were distributed in two ...
Transporte de oócitos bovinos em meio de maturação sem controle de atmosfera gasosa
(Universidade Federal de Santa Maria, 2002-02-01)
Two experiments were designed to evaluate the effect of a simulated transport of oocytes to be used in bovine embryo production. Cumulus-oocytes complex -COCs - (n=1586) obtained from slaughterhouse ovaries were submitted ...