Selenium (Se) is a widely distributed trace element with dual (beneficial or toxic) effects for
humans, animals, and plants. The availability of Se in the soil is reliant on the structure of the …

Selenium is a trace element essential for the proper functioning of human body. Since it can
only be obtained through our diet, knowing its concentrations in different food products is of …

The study aimed to investigate the effect of milk thistle, methiphene, and silimevit on the
liver's protein-synthesizing function of laying hens in examination chronic cadmium …

Cadmium is considered a dangerous pollutant because, due to toxic stress, it causes
various disorders of the functional state of the body of animals and birds. Getting into the …

This study aimed to compare the hematological status of cows of different stress levels
during the period of increasing milk yield (on the 60th-70th day of lactation) under the …

In recent years, the current standards for introducing trace elements into compound feed for
highly productive crosses and poultry breeds have been revising with taking into account …

One of the most actual problems of modern poultry farming is to increase the preservation of
chickens and ensure high intensity of their growth at all stages of rearing. The development …

The work focuses on five epithermal Au-Ag deposits of the Kamchatka volcanogenic belts:
Rodnikovoe, Baranyevskoe, Kumroch, Lazurnoe (adularia-sericite type–Ad-Ser) and …

Today, indicators controlling poultry's mineral nutrition have significantly increased.
However, the physiological need of various types and technological poultry groups for …

Gold-silver mineralization in the Rodnikovoe LS epithermal deposit is characterized by
selenium speciation. Two main alternating ore assemblages have been identified: silver …