the aim of this study was to evaluate the effect of replacing progesterone injections by progesterone vaginal inserts on productive and reproductive parameters of lactating cows with reproductive problems after prolonged periods of heat stress. fifteen holstein cows were randomly assigned to one of three treatments: 1) treated with two progesterone vaginal inserts (p4-ins); 2) treated with prog...

in many studies, topographic factors have been considered as an important factor in establishing the vegetation in different ecosystems. so, it affects vegetation composition and diversity by influencing soil moisture, fertility and soil depth. the aim of this research was to investigate the effects of slope, elevation and geographical aspects on species growth, forage production and vegetation...

tea might be considered as the most popular drink in iran as well as some other parts of theworld. its popularity to some extent depends on its flavor and some other constituents present in its leaves orextract. black tea samples from various agro climatic zones of northeast of iran were evaluated for the chemicalconstituents, polyphenols and metal analysis that determine the quality perception...

Ancient literature, epics and medical texts well testify the existence of a female competence in Obstetrics since the time of Hippocrates. Until the Imperial Age, both in Greece and in Rome, women were the only ministers of the rites involving birth and death: in particular, delivery was the special moment in which a specific female competence was required.

With the increasing demand for astronomical observations, telescope systems are becoming increasingly complex. Thus, observatory control software needs to be more intelligent. It has each instrument inside observatory, finish observational tasks autonomously, and report information users if needed. We developed a distributed autonomous framework named Remote Autonomous Control System 2nd (RACS2...

The article analyzes the formation of Turkic political elite, their features and position in complex large-scale management system Golden Horde.The administrative structure Horde had its own characteristics comparison with all states that emerged after collapse Mongol Empire. Including active role nomadic Turkic-Mongolian aristocrats administration social life, was reflected ranks military aris...

This paper briefly justifies and outlines initial plans for an empirical investigation into the evolution of component-intensive software systems. Questions to be addressed include whether the findings and observations of traditional software evolution studies garnered over the last 30 years or so, and most recently as part of the FEAST projects, apply to and are relevant in the context of comp...