The aim of this work was to investigate the role of angiotensin II (Ang II) in the mechanism of ovulation in the bovine, using an in vivo model, through the injection of the Ang II receptor antagonists in mature follicles. ...

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 ...

The biological control is an alternative method to reduce the population of parasites by the use of natural antagonist. In the present study, the efficacy of nematophagous fungus Duddingtonia flagrans was tested to control ...

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 ...

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 ...

Endocrine and locally produced factors are involved in the selection of the dominant ovarian follicle in the cow. Studies have been conducted to elucidate the precise mechanism by which, in most cases, only one follicle ...

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 ...

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 ...

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 ...

The aim of this study was to verify if prostaglandin F2α (PGF2α) administered by intravulvosubmucous (IVSM) injection induces luteolysis by reaching the corpus luteum (CL) directly by a local absorption rote, preventing ...