The aim of this study was to investigate the impact of production system (organic, conventional) on the quality of chicken eggs. Energetic value, carbohydrate, cholesterol, protein, fatty acid, sodium, potassium, phosphorus, dry matter and vitamin contents were evaluated. The mean content of cholesterol was 30%, and potassium 7%, greater in the organic eggs compared with the conventional eggs. ...

The agro-ecosystems of semi-arid and dry sub-humid SSA are inherently dynamic. At this point in time they are also experiencing a series of complex social–ecological changes that make their future even more uncertain. To ensure that development investments made today in the small-scale farming systems that dominate these regions make sense also in a long-term perspective they should benefit the...

Prehistoric archaeological sites in the center of the Iranian Plateau suddenly disappeared around the end of the 4th millennium BCE. At Tepe Sialk, near Kashan, the last cultural period, namely Sialk IV - probably established around 3400 BCE after the last settlements of Sialk III6-7b - was abandoned approximately after 500 years. The material culture of this period, known as Proto-Elamite peri...

The agricultural sector is facing the challenge of climate change, which increasing difficulties to activity and economic sustainability primary sector, also affecting farmers’ revenues. There a growing need support policy makers’ decisions help them develop cross-sectional strategies farmers. To this aim collect useful information for makers stakeholders development efficient management drylan...

Currently, the search for alternative ways to replace use of antibiotics in animal husbandry is being intensively conducted all over world, including Russia. One possibilities replacement feed mixtures development and testing probiotics production conditions. They are biomass bacteria vegetative or spore form with a clearly expressed antagonistic activity against pathogenic conditionally microf...