Reproduction Abstracts

Introduction: Reversibility after use of deslorelin acetate as a contraceptive for queens has been described. However no data concerning the ability of in vitro embryo production after treatement was published.Objective: This study aimed to evaluate the in vitro embryo production in queens treated with deslorelin acetate (Suprelorin).Methodology: Twenty queens and one tomcat were used. Ten queens were treated with...

The aim of this study was to analyze the effects of refrigeration and cryopreservation on dog sperm special on sperm motility and mitochondrial membrane potential (MMP). A total of 15 ejaculates, first and second fractions, were collected from five dogs. Semen was diluted (80×106 sptz/ml) on Tris-egg-yolk medium with 8% of glycerol (one step), filled into 0.5 ml French straw and refrigerated at 5 °C for 1 h. After straws were suspended 6 cm above liquid ni...

Introduction: During peri-implantation period the canines conceptus are nourished by secretions in uterine lumen, a phenomenon known as histotrophic nutrition, in which several proteins are present. The aim of this study was to compare the protein profile in uterine secretion in early pregnancy and early diestrus cyclic using two-dimensional electrophoresis technique.Material and methods: For that, ten bitches were submitted to OHE on the 12th day after ...