in this study, genital tracts of 20 healthy non-pregnant buffaloes were collected from urmia abattoir.these genital tracts were selected based on their ovaries conditions, half of them were in follicular phase and the other half were in luteal phase. the samples were taken from anterior, middle and posterior regions of the cervix and fixed in 10% buffer formalin. then, histological sections of ...

Oxytocin (100 U.S.P. Units) injected into heifers on Days 1 to 6 or Days 3 to 6 post-oestrum caused precocious oestrus. When 8 mg epinephrine hydrochloride or 50 mg atropine sulphate were superimposed on the oxytocin treatment, there was very little shortening of the oestrous cycle. Epinephrine or atropine administered on Days 3 to 6 post-oestrum did not materially alter the length of the oestr...

Effects of intraperitoneal injections of sodium selenite (2.0 and 4.0 mg/kg body weight) to normally cycling female albino Wistar rats daily for 30 days, and of single injection either during proestrous or oestrous and at each stage of the 4-day oestrous cycle were determined on oestrous cyclicity, ovarian follicles, ovulation, implantation and pregnancy outcome on day 14 of gestation. Administ...

no published information are available on the reproductive indices of local abadeh does reared innorthern fars province, southern iran. this study was conducted to determine the duration of the breedingseason, and the length and duration of the oestrous cycle. twenty single parity 2-year-old does from abadeh(weighing 19–26 kg) were purchased and transferred to the school of veterinary medicine ...

The present study was designed to identify the volatile constituents across the oestrous cycle of bovine in order to detect oestrous-specific chemical signal. The bovine saliva was extracted with diethyl ether (1 : 1 ratio, v/v) and analysed by gas chromatography-linked mass spectrometry. Numerous compounds were identified during oestrous cycle of bovine saliva. Among these, the compounds, name...

Effect of ethanolic extract of Buplerum marginatum has been studied on the periodicity of oestrous cycle in adult rats. It is found that the extract at a dose of 50 mg/kg/day when given for 10 days caused significant increase in the duration of metaestrus phase of the oestrous cycle. Other longer durations of treatment also caused similar changes. Percent increase in the duration of metastrus p...

Intensive selection for high milk yield in dairy cows has raised production levels substantially but at the cost of reduced fertility, which manifests in different ways including reduced expression of oestrous behaviour. The genomic regulation of oestrous behaviour in bovines remains largely unknown. Here, we aimed to identify and study those genes that were associated with oestrous behaviour a...

Background: Follicular pool is reduced after transplantation of vitrified ovary. Therefore, methods should be improved to accelerate ovarian function revival and maintain follicular reserve. In this study hyaluronic acid hydrogel as a scaffold was used to improve restoration of ovarian oestrous cycle. Materials and Methods: 79 mature (~8 weeks) rats having normal estrous cycles were divided int...

Introduction: Opposite observations about the discrepancy in the pain perception between male and female has been reported. In this regard, pain thresholds among male and female rats in different phases of oestrous cycle were evaluated via tail immersion test. In addition, efficiency of alcoholic extract of datura stramonium as an analgesic plant in the modulation of acute pain threshold has be...